Free Spring 2026 Bootcamps - Discussion Q&A Megathread

Learning, Resources & Academy LCA & EPD Bootcamps
1

During the spring of 2026 are hosting two specialized bootcamps this spring to help you master Life Cycle Assessment (LCA) and Environmental Product Declarations (EPD).

:date: Event Schedule

  • Construction LCA Bootcamp
    • Date: April 20 – 23, 2026
    • Time: 15:00 – 17:00 CET
    • :backhand_index_pointing_right: Register here
  • EPD Bootcamp
    • Date: May 4 – 7, 2026
    • Time: 15:00 – 17:00 CET
    • :backhand_index_pointing_right: Register here

:clipboard:What this thread is for

Use this megathread as your primary hub to:

  • Ask technical or logistical questions about both bootcamps.
  • Share discussion points or key reflections during live sessions.
  • Exchange resources, tips, and insights with fellow participants.

:light_bulb:Before posting, please scan the thread to see if your question has already been answered. This helps keep the community space organized for everyone.

:handshake:Networking & Community

Want to introduce yourself or connect with other sustainability professionals?

Visit our dedicated thread: Free Construction LCA & EPD Bootcamps - Networking Thread

:hammer_and_wrench:Practical Exercises

Get hands-on with industry-standard tools through these optional, real-world challenges.

  1. Construction LCA Bootcamp Exercise: Open Practice
  • Goal: Move a real building design from raw architectural drawings to a 30% carbon reduction.
  • Skills: Quantity take-offs, EPD matching, and using Carbon Designer 3D.
  1. EPD Bootcamp Exercise: From Factory Gate to Verified EPD
  • Goal: Act as a manufacturer to transform raw factory data into a standardized, verified EPD.
  • Skills: Market benchmarking, building a Life Cycle Inventory (LCI), and navigating upcoming EU regulations like CBAM and DPP

:key: Software Access: Participants will receive access to One Click LCA after Session 3 of each bootcamp. Licenses are valid for one month.

:graduation_cap: Live Session Q&A Archives

Due to character limits, specific questions and answers will be added as individual posts to this thread following each live session.

Construction LCA Bootcamp

Session 1 Q&A + Polls

We had 44 questions in total across the Q&A panel and the chat. I have filtered out the duplicates and combined those asking for similar things to narrow it down to 21 questions that cover what everyone wanted to know.

I categorized the questions according to the following topics:

  1. Bootcamp Logistics
  2. Certification & Career Development
  3. LCA Fundamentals & Methodology
  4. Data, Software & Tools
  5. Regional Standards & Industry Practice

Poll 1: Before learning about the Business Case (190 responses)

Poll 2: After learning about the Business Case (160 responses)

Session 2 Q&A

We had 41 questions in total across the Q&A panel and the chat. After cross-referencing with Session 1 and removing duplicates, I have identified 21 questions that highlight the advanced technical nature of today’s session.

I categorized the questions according to the following topics:

Session 3 Q&A

We had 54 questions in total across the Q&A panel and the chat. After cross-referencing with Session 1 and Session 2 and removing duplicates, I have identified 24 questions that highlight the advanced technical nature of today’s session. I categorized the questions according to the following topics:

Session 4 Q&A

We had 54 questions in total across the Q&A panel and the chat. After cross-referencing with Sessions 1, 2, and 3 to remove duplicates and recurring logistics queries, I have identified 20 questions that focus on specialized construction materials, circularity frameworks, and the final steps for certification. I categorized the questions according to the following topics:

EPD Bootcamp

Session 1 Q&A

Thanks for all the great questions! We had 64 questions in total across the Q&A panel and the chat. After cross-referencing, removing duplicates, and filtering logistical greetings, I have identified 34 questions that highlight the technical depth and global interest in today’s session on Environmental Product Declarations (EPDs).

I categorized the questions according to the following topics:

Session 2 Q&A

We had 55 questions in the Q&A panel chat during this session. After cross-referencing with Session 1 and removing duplicates, I have identified 24 questions that highlight the advanced technical focus of today’s deep dive into EPD methodology and data.

I categorized the questions according to the following topics:

  • Advanced LCIA Methodology & Characterization
  • Data Quality & Allocation Rules
  • Program Operators & Global Standards
  • Manufacturing Processes & Mass Balances
  • Professional Insights & Tool Application

Session 3 Q&A

Thanks for the high level of engagement! We had 58 questions in total across the Q&A panel and the chat. After cross-referencing with Session 1 and Session 2 and removing duplicates, I have identified 23 questions.

I categorized the questions according to the following topics:

  • LCA Policy & Global Trends
  • Specialized Tools & Advanced Modeling
  • BIM, Software & Imports
  • EPD Specifics & Data Accuracy
  • Bootcamp Logistics (New Queries)

Session 4 Q&A

Thanks for a fantastic final session! We had 41 questions in total across the Q&A panel and the chat. After cross-referencing with Sessions 1, 2, and 3, I have identified 14 new questions that highlight the strategic and forward-looking discussions from today.

I categorized the questions according to the following topics:

  • Strategic EPD Implementation & Scoping
  • Regulatory Compliance & Global Impacts
  • Technical Definitions & Methodology
  • Software Tools & Integrations
  • Professional Growth & Networking
Free Construction LCA & EPD Bootcamps - Networking Thread
2

Recordings and slide of session 1 are now available on the academy.

Construction LCA Bootcamp - Session 1 Q&A

Thanks for all the great questions! I have filtered the logs, combined similar queries, and provided answers for those that were addressed live during the session.

1. Bootcamp Logistics

(Recordings, slides, software access, and schedules)

1. Will the session recordings be available if I miss a class?

Yes. All recordings are uploaded to the One Click LCA Academy course space within one working day of the webinar. You will continue having access to the course until the next bootcamp and can revisit them at your convenience.

2. Will the presentation slides be shared?

Yes, the presentations will be uploaded to the Academy within one working day.

3. How long are the daily sessions?

Each session is scheduled for 2 hours.

4. Do we get a software license for the bootcamp?

Yes, participants receive access to the software during the course.

5. I am having trouble with my meeting link; is there a code? If your unique link is not working, you can join directly via the main webinar link provided in your registration emails or through the Academy.

2. Certification & Career Development

(Exam details, CV advice, and professional credits)

6. Is there an exam, and does it cost anything?

The exam opens on Thursday. It is a multiple-choice test that is completely free of charge for all bootcamp participants.

7. What kind of certificate do I receive?

Upon passing the exam, you receive a “Certificate of Completion” for the LCA Specialist course. The certificate states the hours used for the course and serves as proof that you have gained foundational knowledge in the subject.

8. Can I call myself a “Certified LCA Practitioner” after this?

We recommend using the title LCA Specialist as stated on the certificate. It is best to avoid the term “practitioner” until you are actively working with LCA professionally.

9. Can this bootcamp be used for LEED Continuing Education (CE) hours?

This specific bootcamp is unlikely to count for LEED CE hours. However, we offer a dedicated LEED course on the Academy that is more suitable for those credits.

10. Do I need to be a LEED GA or AP to start working on LCA?

No, it is not a requirement to start LCA work. However, having a LEED AP on a project team provides a specific credit, and it is beneficial to understand these systems as LCA requirements are now included as minimums in newer versions of LEED and BREEAM.

3. LCA Fundamentals & Methodology

(Impact categories, life cycle stages, and modeling logic)

11. Do LCAs only look at CO2, or are there other impact categories?

It depends on the method you follow. While carbon is the most common, systems like DGNB include primary energy use, LEED includes several different impact categories, and Level(s) includes all EN 15804+A2 categories.

12. What are the typical proportions of carbon impact across building stages?

This depends heavily on the building type and region. Generally:

  • Stage B6 (Operational Energy): 40–60% of total impacts (though as low as 20% for passive houses).
  • Stage A1-A3 (Product Stage): 40–60% of impacts.
  • Other stages: Typically less than 20%, unless there are major use-stage impacts like refrigerant leaks.

13. What is Stage D, and why is it important?

Stage D covers recycling and reuse. It accounts for the potential environmental benefits and loads beyond the building’s system boundary after its end-of-life.

14. How do we handle LCA for renovation projects?

In a renovation, you typically leave out the product stage impacts (A1-A3) for the parts of the building being reused. You include the impacts of new materials, as well as the use and end-of-life impacts.

15. Does “Site Selection” impact the LCA?

Yes. Soil stabilization alone can account for 30% of a building’s total life cycle impact. A good site that doesn’t require stabilization or large foundations is a major factor in reducing impact.

4. Data, Software & Tools

(Data sourcing, Carbon Designer 3D, and AI)

16. How do I know the carbon impact of a specific material if the brand isn’t mentioned?

LCA rely on EPDs (Environmental Product Declarations). Generic data is useful for early-stage assessments, but once you know the specific products being installed, you should use manufacturer-specific EPDs as they are third-party verified and more reliable.

17. How does Carbon Designer 3D help in the early stages?

It allows you to estimate quantities (like concrete volumes) and environmental impacts before you have a final structural design. You can select building types and specifications to generate a baseline.

18. Can One Click LCA handle the temporal aspects of operational carbon?

Yes. While we promote whole-life cycle approaches to avoid “burden shifting,” temporal aspects are handled most effectively with dynamic tools like our French RE2020-aligned tool.

19. How will AI assist in doing LCA through the software?

AI is being integrated to help streamline the LCA process, such as assisting with material mapping and data selection.

5. Regional Standards & Industry Practice

(Global regulations and market challenges)

20. Are LCA requirements mandatory in all countries?

No, it varies significantly. Some countries like Denmark have strict mandatory caps (e.g., 9 kg CO2e/m2 per year). In other regions, such as the US, requirements are often state-specific rather than federal.

21. How do I handle clients who see LCA as just a “tick-box” exercise with no penalties?

This is a common challenge in markets with voluntary targets. Success often depends on value chain transparency and keeping the LCA model updated as the project advances so that the “as-built” reflects actual quantities and products.

22. Where can I find companies in my region (e.g., Ireland) that use One Click LCA?

We do not share private client lists. We recommend contacting local associations like the Irish Green Building Council (IGBC) or looking for firms that specialize in sustainable building certifications.

3

Poll 1: Before learning about the Business Case

190 participants joined this baseline assessment.

Question 1: Which role best describes your position?

  • Sustainability Consultants (39%).
  • Engineers (21%).
  • Students (17%) and Architects (10%).

Question 2: What is the main reason your clients ask for an LCA today? (Multi-select)

  • Certifications (e.g., BREEAM/LEED): 88%.
  • Investor/ESG requirements: 83%.
  • Mandatory Building Codes: 73%.

Question 3: In one word, what does LCA represent to your business right now? (Free Text)

  • Compliance and Data were the primary focus, suggesting LCA is often seen as a regulatory hurdle.
  • Complexity and Calculation highlighted the perceived high effort of modeling.
  • Environmental Identity: “Carbon” and “Sustainability” remain the core lenses.

Question 4: Rate your current level of confidence in performing advanced carbon optimization.

  • 49% of the class rated themselves a 2 or 3 out of 5, showing a group ready for the technical deep-dive.

Poll 2: After learning about the Business Case

160 participants shared how their perspectives shifted.

Question 1: Which lever do you think has the highest untapped potential?

  • 38% now see Operational Energy or Cost Savings as the biggest opportunity.
  • 32% identified Green Finance (Interest Reductions) as a key untapped area.

Question 2: How much of a premium fee do you think clients would pay for Carbon Optimized Design?

  • Optimism was high: 41% of you believe a 30% to 50% premium is achievable for optimized vs. standard LCA work.

Question 3: How likely are you to change your LCA service workflow in the next 6 months?

  • 50% of the class gave a high score of 4 or 5 out of 5, showing a strong intent to move beyond “tick-box” compliance.

Question 4: What is the biggest remaining hurdle to charging for the business case of LCA? (Free Text)

  1. Awareness Gap: Clients often don’t understand the ROI of optimized design compared to basic compliance.
  2. The Regulation Paradox: Without strict penalties (“sticks”), some clients avoid the benefits of optimization (“carrots”).
  3. Data Transparency: Difficulty obtaining high-quality primary data makes selling high-value services harder.
  4. Inertia: Cultural misinformation and project budget constraints remain significant obstacles.

Conclusion: Your feedback confirms that while the intent for high-value optimization is there, the market requires advocacy. We will move from the compliance mindset to the optimization workflow by using data to prove long-term financial and environmental benefits.

4

Recordings and slide of session 2 are now available on the academy.

Construction LCA Bootcamp - Session 2 Q&A

Thanks for all the great questions! I have filtered the logs, combined similar queries, and provided answers for those that were addressed live during the session.

1. Standards, Regulations & BREEAM

(BREEAM v7, EPBD, and regional reporting)

  1. Is there a reporting method suitable for the new BREEAM v7 platform?
    Yes, you can export results into the correct templates. For example, if you are working in RICS v2, you can export the results in the RICS v2 template, and the same applies to BREEAM v7.

  2. How will One Click LCA handle the UKNZCBS exclusion of certain RICS categories? One Click LCA facilitates reporting for RICS v2 and UKNZCBS separately to account for differences in upfront carbon limits.

  3. Does the Energy Performance of Buildings Directive (EPBD) impact existing buildings?
    Yes, the EPBD has significant implications for the existing building stock, which is a much larger market than new construction.

  4. Are we required to use future climate weather files for energy modeling?
    For energy consumption, you add the total annual kWh. While most tools don’t require future climate files, certain standards like BREEAM do.

2. Advanced LCA Methodology & Impact Assessment

(Module boundaries, technical definitions, and sensitivity)

  1. What is the difference between LCIA and sensitivity assessment?
    LCIA is a mandatory step to quantify environmental impacts. A sensitivity assessment is a supplementary analysis used to test how changes in input data or assumptions affect the results.

  2. How are byproducts handled in the manufacturing stage (A1-A3)?
    All byproducts are taken into account at the A3 phase within the EPD.

  3. Does the EN 15804+A2 standard cover specific GWP sub-categories?
    Yes, it covers GWP-fossil, GWP-biogenic, GWP-luluc (land use and land-use change), and GWP-total.

  4. Can an Organic Waste Converter (OWC) be considered under Module D?
    Yes, it can. Module D captures the net benefits of recycling, reuse, or recovery beyond the project boundary. If an OWC converts waste into a usable resource (like compost replacing synthetic fertilizer), the “credit” for avoiding primary production is recorded in Module D. You must simply ensure the energy to run the OWC is accounted for in the operational modules (B) to avoid double-counting.

  5. Does Stage D overlap with Stages A or C?
    No, they remain distinct. While Stage D can include benefits from materials “wasted” during construction (A5) or demolition (C), the impacts (the cost to the environment) are recorded in A or C, while the benefits (the potential for reuse elsewhere) are recorded separately in D. This prevents double-counting and provides a clear picture of both the project’s footprint and its circularity potential.

3. Data Quality & EPD Management

(Data compatibility, missing data, and software comparisons)

  1. Can I use European EPDs (EN 15804+A2) for North American projects?
    North American tools use the TRACI method, which is incompatible with the data in EN 15804+A2 EPDs. However, our Global Carbon tool allows CO2 calculations using both TRACI and CML data.

  2. What happens if an EPD is missing Module C (End of Life) data?
    One Click LCA applies its own standard-compliant scenarios (C1–C4) to ensure these impacts are accounted for.

  3. Do manufacturers have to pay a fee to have their EPDs published?
    No, all EPDs that meet minimum requirements are added for free.

  4. Is it easier to perform a building LCA in One Click LCA rather than SimaPro?
    Yes, because One Click LCA is specifically optimized for construction workflows and BIM integration.

  5. Should I use a “representative” EPD if my specific product isn’t listed?
    It is best to look for the EPD that most accurately represents the specific material used.

4. Design Phase Application & Tools

(Early-stage modeling and requirements)

  1. What do I need to start a simple building LCA?
    A bill of materials and the gross floor area (GFA) are enough to begin.

  2. Is it better to use ecoinvent databases with the EF 3.1 methodology?
    This was addressed live to clarify how different databases interact with characterization steps.

  3. What happens if the EU Green Deal is scrapped?
    I would consider it highly unlikely that the core sustainability requirements will disappear, even if political branding shifts. Much of the Green Deal’s framework has already been converted into legally binding laws, such as the European Climate Law, which mandates climate neutrality by 2050.

    For the construction industry, the most critical piece of legislation is the EPBD. This directive is already in effect and sets specific, mandatory deadlines for Whole Life Carbon reporting:

    • 2028: Mandatory reporting for all new public buildings.

    • 2030: Mandatory reporting for all new buildings regardless of ownership.

    Furthermore, the shift toward LCA is no longer just driven by policy, but by financial markets. Major investors and developers have already aligned their long-term strategies with these standards to manage risk. Scrapping these regulations would create significant market instability and disadvantage companies that have already invested in carbon-neutral supply chains. In short, the technical transition via building codes and financial requirements is already well underway.

5. Interactive Chat Discussions

(Real-time participant queries and career paths)

  1. Is demolition and mandatory carbon reporting frequent in Europe?
    Participants discussed varying levels of regulation across the EU, with some countries like Denmark (BR18) and the UK having strict requirements, while others remain voluntary.

  2. What career opportunities exist for LCA specialists?
    Expertise opens roles in sustainability consulting, embodied carbon analysis, and ESG management.

  3. How can we overcome “tick-box” attitudes from clients?
    This was a key discussion on using value chain transparency and updated “as-built” models to show real value.

  4. How much should one charge for performing an LCA optimization?
    This was discussed in the context of professional consulting fees.

5

Recording and slides of session 3 are now available on the academy.

Construction LCA Bootcamp - Session 3 Q&A

1. LCA Policy & Global Trends

(Mandates, regional differences, and verification)

1. When will mandatory LCA reporting for new buildings begin in the EU?

Starting in 2028, mandatory reporting will be required for all new public buildings, extending to all new buildings by 2030.

2. Are there similar LCA mandates in the Asia-Pacific or Middle East?

While not currently as stringent as the EU, local legislation is emerging; for example, some cities in Australia have adopted Green Star as a mandate. We support among others for Asia-Pacific:

  • National Standard for Building Carbon Emission Calculations (GB/T51366)
  • Singapore Green Mark
  • Lotus
  • Green Building Label / Three Star
  • Griha and IGBC Net Zero Carbon

For the Middle East, while LEED is common, we also support:

  • Estidama
  • GSAS
  • Mostadam

3. Is LEED or BREEAM more prevalent in Europe?

It varies; while BREEAM is widespread, LEED is frequently used in Ireland for USA-based clients.

4. Who is verifying an LCA when assessing outside of certification?

Verification typically involves professional third-party practitioners to ensure the assessment aligns with international standards like ISO and EN. Internal verification are also common practices.

2. LCC & Specialized Tools

(Life Cycle Costing and specialized analysis)

5. Will the Academy provide training on Life Cycle Costing (LCC) and Biodiversity Net Gain (BNG)?

Yes, training for these modules is available as they are increasingly integrated into licenses.

6. How do I implement the LCC module?

The LCC tool is used alongside LCA tools. You must set financial parameters and may need to add bespoke costs for specific items or operations.

7. How can I ask for an LCC demo?

You can book a demo directly via the One Click LCA website (if you have a commercial interest in the tool). We are soon launching a new LCC tool which will come with guidance and videos.

8. Is there a way to work out embodied carbon for M&E items without using CIBSE TM65?

Yes, you can use MEP-specific EPDs or check the functional units of similar materials in the database to estimate these impacts.

3. BIM, Software & Imports

(Revit, IFC, and data mapping)

9. What information should the .rvt file contain for the software to read it correctly?

The file should have clear material identification and quantities to ensure the data can be accurately mapped in the platform.

10. What do I do if the Revit file has “unidentified” or unclear material types?

In these cases, it is best to ask the client for a Bill of Quantities (BoQ) or a detailed material list to ensure accuracy.

11. Is it better to use IFC or Excel for ArchiCAD data?

While direct imports are faster, a human check is always advised. The tool “learns” from your manual clarifications to speed up future imports.

12. Can I import data from IES VE or eQUEST?

IES VE data can be imported directly. For eQUEST, you can use the Excel import templates to bridge the gap.

13. Can Teamcenter data be used?

Yes, if it can be formatted into Excel, you can upload it and map it against relevant EPDs.

14. What is the suggested workflow if I change materials in One Click LCA but cannot sync back to BIM?

You must manually list the changes or mappings and then update your BIM tool to ensure the design model reflects the LCA optimizations.

15. Can I use this software for non-construction items, like a ship?

The tool is specifically geared for the construction industry and is not intended for products like vessels. Specific materials used in ship-building likely are not present in the form of EPDs. (Not just in the software, in the industry)

4. EPD Specifics & Data Accuracy

(Data quality and regional proxies)

16. What is the difference between a manufacturer EPD and a plant-specific EPD?

Manufacturer EPDs often cover an average across several sites, whereas plant-specific EPDs provide data for one specific location, offering higher precision.

17. Do EPDs become outdated?

Yes, EPDs typically need to be renewed every 5 years.

18. How can we improve decision-making in regions with limited EPDs, like South Asia?

You can use AI-driven mapping and localization methods to adapt available data to your specific regional context.

19. What exactly should be checked during the mapping process?

You should verify the EPD type, the geographical location, and the material technology against the project requirements.

20. How much error margin is introduced by using Nordic or EU defaults for Asian projects?

Using proxy data from different regions introduces a margin of error that should be noted in the sensitivity assessment.

21. Can I map materials after importing an Excel file?

Yes, you can manually map or adjust material assignments after the import is complete.

5. Bootcamp Logistics

(Software access, passwords, and exams)

22. How long is the bootcamp software key valid?

The password for software access is valid for four weeks. (the duration of the access, until the end date (23rd of May).

23. Can I use my own IFC building for the demo?

Yes you can.

24. Will recordings be available to review before the Thursday exam?

Yes, all session recordings are uploaded to the Academy course space for you to revisit at your convenience.

6

Recording and slides of session 4 are now available on the academy.

Construction LCA Bootcamp - Session 4 Q&A

Thanks for all the great questions! I have filtered the logs, combined similar queries, and provided answers for those that were addressed live during the session.

1. Circular Economy & the “5R” Framework

(Refuse, Reduce, Reuse, Repair, Recycle)

1. How does the “5R” framework practically apply to a building LCA?

The framework prioritizes high-level interventions like “Refurbish” (not building new) and “Reuse” (repurposing existing structures). In LCA terms, this significantly reduces Stage A1-A3 impacts by avoiding the consumption of new raw materials.

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2. Can we account for “Design for Disassembly” in current software?

Yes. By selecting materials with high recovery potential (and model DfD correctly), you improve the benefits recorded in Module D. You can also adjust the end-of-life scenarios (C1-C4) to reflect that a building is designed to be taken apart rather than demolished.

3. What is the impact of “Refurbishment” vs. “New Build” in a 60-year LCA?

A refurbishment typically has a much lower upfront carbon footprint (A1-A3) because the primary structure is retained. However, the LCA must carefully account for Stage B4 (Replacement) of the new fit-out elements over the remaining service life.

2. Material Science: Concrete, Steel & Bio-based

(Decarbonization and material-specific modeling)

4. How do I model the carbon reduction of “Green Concrete” or Geopolymers?

You should look for EPDs that specify a high percentage of GGBS (Ground Granulated Blast-furnace Slag) or PFA (Pulverized Fuel Ash) as cement replacements. These can reduce the A1-A3 impact of concrete by up to 40-60%.

5. Does the software account for the “Recycled Content” in steel automatically?

It depends on the EPD selected. “Secondary” steel (produced via Electric Arc Furnace) has a significantly lower carbon footprint than “Primary” steel (Blast Furnace). You must ensure the data point you select matches the procurement specification, often you can find it in the name of the product.

6. Are bio-based materials like timber or straw always “Carbon Neutral”?

Not necessarily. While they sequester carbon during growth, the LCA must also account for harvesting, processing energy, and transport. The “Net” benefit is only realized if the timber is sourced from sustainably managed forests and doesn’t release its stored carbon prematurely at the end of life.

7. Where can I find more info on Ecodesign for timber and insulation?

The team shared specific resources during the chat for ecodesign in structural timber and insulation to help with material selection.

3. Advanced Methodology: Energy & Refrigerants

(Technical modeling for M&E and infrastructure)

8. How do I handle top carbon products for Civil Infrastructure or Earthworks?

For projects without structures (roads, drainage, sewers), the highest impacts typically come from bulk materials like asphalt, aggregates, and the fuel used in heavy machinery for earthmoving (Stage A5).

9. Is there a way to model “Pump Energy” savings in the LCA?

Yes. Significant energy savings (e.g., ~35%) achieved through pump optimization should be reflected in the total annual kWh in Stage B6 (Operational Energy).

10. How do I model refrigerant leaks in the “Use Stage”?

Refrigerant impacts are part of Stage B1. You must input the type of refrigerant (GWP) and the expected annual leakage rate. High-GWP refrigerants can often outweigh the energy savings of the HVAC system they serve.

4. Exam & Final Certification Logistics

(Software access, exam links, and next steps)

11. Where can I find the link to the final exam?

The exam is located on the course page at academy.oneclicklca.com. It is a multiple-choice test available to all bootcamp participants.

12. What is the password for the software and exam access?

The password shared for the session materials.

13. How long do I have access to the software after the bootcamp ends?

Participants typically have access to the training license for a duration of 4 weeks from the start of the bootcamp.

14. Can I still watch the recordings if I want to study before taking the exam?

Yes. All recordings from the four sessions are uploaded to the Academy website under the current bootcamp course.

15. If I missed a few days, can I still get the certificate?

Yes, provided you watch the recordings to catch up and successfully pass the exam on the Academy platform.

16. Will the presentation slides be available for download?

Yes, the link to the presentations and all supporting data (Excel sheets, models) is provided within the Academy course space.

17. Is there a physical bootcamp or seminar planned in Europe?

Currently, these bootcamps are held digitally to reach a global audience, but local events or seminars may be announced through the One Click LCA newsletter.

18. What happens after I pass the exam?

You will receive a “Certificate of Completion” for the LCA Specialist course, which you can add to your CV or LinkedIn profile.

19. Can I use the demo software to practice on my own IFC files?

Yes, the standard bootcamp demo license includes automated BIM/IFC import features.

20. When is the next bootcamp if I want to recommend this to a colleague?

The Academy runs these sessions periodically (Spring/Autumn). Keep an eye on the website for the next “Construction LCA Bootcamp” announcement.

7

The recording and slides for session 1 of the Spring 2026 EPD Bootcamp are now available!

1. Standards, Regulations & Global Trends

Are EPDs becoming compulsory for manufacturers in the EU?

Yes, through regulations like the Ecodesign for Sustainable Products Regulation (ESPR) and the Construction Products Regulation (CPR), the EU is moving toward mandatory environmental reporting.

What are the global alternatives to European standards?

While EN 15804+A2 is the standard in Europe, ISO 21930 serves as the primary global alternative for EPDs.

How do we mandate EPDs in regions like Nigeria?

It starts with professionals in the built environment defining the EPD objective (e.g., market entry in the EU) and selecting a prestigious Program Operator to set a local market example.

What are the opportunities for LCA in India?

As global supply chains decarbonize, Indian manufacturers providing EPDs gain a competitive edge in international markets.

Are there similar systems to decarbonize the construction industry in Southeast Asia?

While it depends on local political agendas, the Carbon Border Adjustment Mechanism (CBAM) acts as a major driver for external suppliers to decarbonize their factories to avoid “carbon leakage”.

What are Digital Product Passports (DPP)?

The DPP is a key part of the EU’s ESPR framework, designed to provide transparent product sustainability data across the value chain.

Does hazardous substance reporting apply outside the EU?

Yes, if a product is sold in Europe, the manufacturer must often provide a REACH declaration or list Substances of Very High Concern (SVHC) to comply with EN 15804.

What is the difference between EN 15804+A1 and +A2?

EN 15804+A2 is an updated, more comprehensive version that aligns with the EU’s PEF methodology and increases the number of mandatory environmental indicators from 7 to 13.

2. EPD vs. LCA & Methodology Basics

What comes first: the EPD or the LCA?

The LCA always comes first as the technical background study; once it is third-party verified, it becomes an official EPD.

What is the difference between an EPD and a Product Carbon Footprint (PCF)?

A PCF (ISO 14067) focuses exclusively on Global Warming Potential (carbon), while an EPD reports a comprehensive set of environmental indicators based on a full LCA.

Can a verified EPD be used when a PCF is requested?

Generally, yes, since an EPD contains GWP results; however, you must ensure the system boundaries and allocation rules match the specific PCF requirements.

Are EPDs used for non-construction products?

Yes, they are prevalent in electronics, furniture, packaging, and even food products like pasta.

What about reconditioned products?

Standards for electronic products (like EN 50693) can apply to a wide range of devices, including reconditioned items.

3. Data Quality, Comparison & Verification

Are EPDs truly comparable?

Not yet perfectly “plug-and-play” due to variations in Product Category Rules (PCRs) and database choices; comparison requires ensuring both products follow the same base rules.

Can I get 100% accurate CO2 percentages for any EU supplier?

While EPDs offer high-quality data, “100% accuracy” is difficult to claim globally due to variability in material types and regional data.

What is a “generic LCA database”?

These are databases like ecoinvent or national databases used to model materials when product-specific EPDs are not yet available.

Are there statistics on global cPCR coverage?

Collected data is challenging to find because of the many different Program Operators and industry bodies involved.

Can I publish an EPD if a PCR doesn’t exist?

Yes, you can work with a Program Operator to develop a path forward.

How do I choose a Program Operator (PO)?

Select based on the availability of a suitable PCR, recognition in your target market, and practical factors like cost and verification standards.

Does a pre-verified tool provide a “genuinely verified” EPD?

This was addressed live regarding how One Click LCA’s pre-verified tools interact with human verifiers to ensure rigorous compliance.

4. System Boundaries & Product-Specific Scenarios

Is Module A4 (Transport to site) mandatory?

No, but some Program Operators require it if transport emissions exceed a certain percentage or distance.

Where does “off-site storage” belong?

If it is part of the manufacturing logistics before sale, it is Module A3; if it occurs during transit to the customer, it is Module A4.

How do I model End-of-Life (EoL) without local standards?

You can model it using a representative local scenario with a provided reference or use a conservative “worst-case” scenario like 100% landfill.

What does “secondary material” refer to?

It refers to material recovered from previous use or waste which substitutes primary (virgin) materials.

Are there statistics on recycled material use?

While overall percentages are currently low, specific materials like steel have much higher scrap content in certain regions. The EU publishes specific industry data on recycled material content as well.

Can EPDs from one product be inputs for another?

Yes, a verified EPD for a component can serve as the verified input data for the LCA of a more complex finished product.

5. Professional Development & Tool Application

Can I transition from food LCA to construction EPDs?

Yes, the core LCA skills are transferable, though you must learn the specific sectoral regulations and Program Operator requirements.

Does being a building LCA expert qualify me as an EPD expert?

While calculations are similar, EPD expertise requires additional knowledge of Program Operator requirements, material production processes and specific regulations.

Can One Click LCA be used for EcoDesign/R&D?

Yes, it allows for scenario modeling to test different raw materials and supply chains to eliminate carbon “hotspots” before production begins.

How do I find a job after this course?

Students are encouraged to check the One Click LCA careers page for available opportunities.

How is pricing structured for the EPD Maker?

Pricing for the EPD Generation tool is structured based on your specific needs, and inquiries are handled by the sales team.

6. Bootcamp Logistics

How long is the software license?

You have access to the temporary training license for one month from the start of exam in the bootcamp, which takes place on thursday.

Is the certificate free?

Yes, the training certificate is free and becomes available once you complete the exam at the end of the course.

Is the EPD onboarding course mentored?

Yes, the onboarding program is a mentored, live, one-on-one experience.

8

The recording and slides for session 2 of the Spring 2026 EPD Bootcamp are now available!

1. Advanced LCIA Methodology & Characterization

(CML, ReCiPe, and Impact Indicators)

Where do CML and ReCiPe fit into the EPD process?

These are characterization models used in the Life Cycle Impact Assessment (LCIA) phase. CML is the standard required for EN 15804+A1, while EN 15804+A2 shifts toward the Environmental Footprint (EF) methodology. ReCiPe is often used in research or for specialized reporting beyond standard EPDs.

How do we calibrate LCA calculations to ensure accuracy?

Accuracy is calibrated through rigorous data collection from the manufacturing site, ensuring the bill of materials (BoM) matches actual production, and by using high-quality background data (e.g., ecoinvent) that closely represents the specific supply chain

Are the recent updates to GPI/PCR rules made clear by Program Operators?

Yes, Program Operators (POs) publish General Programme Instructions (GPI) and specific PCR updates on their websites. When a PCR is updated, there is usually a transition period during which the old version remains valid for a few months.

How do we handle indicators that show “negative” impacts?

Negative values typically appear in Module D (benefits and loads beyond the system boundary) or result from carbon sequestration in biogenic materials. This indicates an environmental “credit” or benefit rather than a cost.

2. Data Quality & Allocation Rules

(Recycled content and supply chain gaps)

Recycled content: Should we report PCR (Post-Consumer) or PIR (Pre-Consumer)?

Both should be tracked, but they are handled differently in the LCA model. Post-consumer recycled content is generally preferred as it reflects the circularity of the product after its first life.

What should we do when we don’t have supply chain data for recycled content?

In the absence of specific supplier data, you must use conservative secondary (generic) data from recognized databases that match the material type and geographic region

Is there guidance on which allocation method (economic vs. physical) to use?

Allocation is dictated by the PCR. Physical allocation (e.g., by mass) is most common in construction, while economic allocation is used when the value of byproducts differs significantly from the main product.

How does data quality scoring work in EPDs?

Under EN 15804+A2, data quality is assessed based on geographical, technological, and time representativeness. This helps users understand the reliability of the reported results.

3. Program Operators & Global Standards

(Certifications and verification)

Who certifies the Program Operators?

Program Operators are typically non-profit or industry organizations that operate according to ISO 14025. They are often overseen by national accreditation bodies to ensure their verification processes are robust and impartial.

Can I use a “Global EPD” for all markets?

While standards like ISO 21930 are global, specific markets (like the Netherlands or France) have mandatory regional databases (NMD, INIES). A Global EPD is a great foundation but may need “regional adaptations” to be compliant for specific building-level LCA tools.

What is the difference between EPD Hub and other operators?

EPD Hub is a Program Operator designed for speed and digitalization, often integrated directly with tools like One Click LCA to streamline the path from LCA to verified EPD.

Is there an additional cost for third-party verification through One Click LCA?

The cost for verification is typically separate from the software license. When you buy an “EPD Pack,” it includes the verification fees for the Program Operator.

4. Manufacturing Processes & Mass Balances

(A1-A3 technicalities)

How do we account for mass lost during melting or evaporation in A3?

The LCA follows the principle of conservation of mass. You must account for all inputs (raw materials, energy) and outputs (final product, waste, emissions to air/water). If 10kg goes in and only 9kg of product comes out, the 1kg “loss” must be identified as waste or emissions.

How do we differentiate EPDs for products with different sizes (e.g., aggregates)?

If the manufacturing process is identical and only the physical dimensions differ, you can often group them into one EPD using a “representative product” or “worst-case” approach, provided the impacts don’t vary by more than 10%.

Does the mixing process (even if dry) need to be included?

Yes, any energy used by loaders or mixing equipment in the factory (A3) must be accounted for, even if no water or chemicals are added.

Are factory visits mandatory for third-party verification?

No. Most Program Operators allow for “remote” verification where the verifier reviews the data evidence and background report digitally, though some specific PCRs or high-risk cases may require a physical visit.

5. Professional Insights & Tool Application

(EPD creation at scale)

Can we make one EPD for two products if the only difference is a blending step?

If blending the second product significantly changes the energy profile or material composition, they may need separate declarations or a “representative” average with clear disclosure of the variance.

How long is a One Click LCA license valid, and how many EPDs can I run?

Standard licenses are typically annual. The number of EPDs depends on your specific subscription (e.g., an “EPD 2-pack” vs. unlimited).

If I complete the Bootcamp, am I qualified to verify EPDs?

No. Making an EPD and verifying one are different roles. Verifiers must meet strict requirements set by Program Operators, including years of experience and specific training.

How can I automate EPD creation for a large product catalog?

One Click LCA offers “EPD Generator” tools that allow you to import mass data from Excel or ERP systems to create dozens of EPDs simultaneously using pre-verified templates.

6. Bootcamp Logistics (New Queries)

Will the slides be available for future reference?

Yes, all slides and recordings are uploaded to the One Click LCA Academy course after each session.

When do we get the training certificate?

Certificates are issued automatically at the end of the course once you have completed the final exam.

How do I access the links shared in the chat?

We will provide a list of all helpful links and resources shared during the live sessions alongside the Q&A summary.

Can I attend the Carbon Experts Summit in person?

Yes, there are physical events in several locations (e.g., Sweden). Check the “Events” page on our website for registration details.

9

For session 3 I accidentally recorded the session in the cloud, rather than locally. This means the recording will not be available tonight, but tomorrow morning / afternoon.

10

Recording and slides of session 4 are now available! Q&A for Sessions 3 and 4 comes tomorrow.

11

Session 3 EPD Bootcamp Q&A

1. LCA Policy & Global Trends

(Regional contexts, new launches, and market standards)

  1. Is EPD creation different in SimaPro compared to One Click LCA?
    Yes, while both can perform the underlying LCA, One Click LCA is a web-based platform specifically optimized for construction workflows and program operator integration. It simplifies the transition from inventory to a verified EPD report through pre-verified templates, whereas SimaPro is often used for broader research and generic life cycle modeling.

  2. Can we create an EPD for the launch of a new item without 12 months of production data?
    Yes, you can create a “Design Phase EPD” using limited production or estimated data. This allows you to market the product’s carbon profile at launch, which can then be updated to a full verified EPD once 12 months of real data is available.

  3. How far of a radius can we use for regional data?
    There is no technical limitation for the transportation distance in the model, but for data representativeness, you should use data that best reflects the geographical reality of your supply chain.

2. Specialized Tools & Advanced Modeling

(Handling gaps, chemical reactions, and data sensitivity)

  1. How do we fill gaps in quantities (e.g., material weight) from systems like SAP or Teamcenter?
    One Click LCA provides a specific A1-A3 Data Collection framework within the import forms. This helps structure incomplete Bill of Materials (BOM) data by providing a clear inventory methodology to map against available material datasets.

  2. How should chemical reactions be handled in an EPD?
    The core principle is mass balance. You must account for all material inputs (reactants), outputs (products, by-products), energy use, and any direct emissions generated during the chemical transformation.

  3. How is data sensitivity handled in the software?
    Users can perform sensitivity analysis by adjusting specific parameters to see their impact on the total results. This is often used during the modeling phase to ensure the most critical “carbon hotspots” are accurately represented.

  4. How do EPD results compare when using BAFU data versus ecoinvent?
    The results can vary depending on the characterization factors and regional averages used by each database. As of today we cannot yet say what the actual difference would be.

3. BIM, Software & Imports

(Integrations and data templates)

  1. Does One Click LCA link directly to architecture software like Revit?
    Yes, there are plugins available that allow you to import geometry and material data directly from Revit into the LCA tool to streamline building-level assessments.

  2. How should data be prepared when exporting from SolidWorks?
    It is recommended to use the A1-A3 framework within the Excel import form. You can list materials from your SolidWorks BOM (through the integration) and map them to the corresponding environmental data points in the software.

  3. Where can I find the Excel data collection templates?
    The templates are available within the “Help” section of the software or via direct links in the Academy course materials.

  4. Why is the product option “greyed out” in my project?
    This usually indicates that the specific license or tool required for that product category is not enabled on your account. Checking your active training license or contacting support will resolve this. The free bootcamp license only comes with 1 calculation tool.

4. EPD Specifics & Data Accuracy

(Impact indicators, functional units, and allocation)

  1. Are co-products and by-products the same thing?
    Yes, in LCA terms they are similar. They are usually differentiated from waste if they have economic value. The way impacts are shared between them is handled through “allocation” rules defined in the PCR.

  2. What is meant by “fossil materials” in an LCA context?
    These refer to materials produced from fossil-based feedstocks, such as plastics (ethylene/propylene), concrete adhesives, or certain chemicals like methanol.

  3. Does the tool suggest a typical Functional Unit (FU) for each product type?
    The FU is often dictated by the Product Category Rule (PCR). While the software allows flexibility, looking at existing EPDs in the market for your category is the best starting point to ensure your EPD is comparable.

  4. Is there a specific PCR for ventilation products (e.g., fans, air handling units)? Currently, these are often grouped under more general non-homogeneous mechanical/electrical PCRs. However, specialized programs like PEP Ecopassport or specific CPCRs from Program Operators may offer more detailed rules.

  5. Should packaging like banding/strapping be included?
    Yes, all packaging should be included in the data collection unless it falls under the 1% cut-off criteria (meaning its total impact is negligible compared to the total product impact).

  6. Is water consumption considered a material input or energy?
    Water is treated as a material/resource input. It should be entered as an input flow consumed during the manufacturing process.

  7. Does automation or human labor affect environmental performance?
    Human labor is not typically included in LCA boundaries. However, automation is reflected through the energy consumption of the facility and the consumption of ancillary materials.

5. Bootcamp Logistics (New Queries)

(License access and training resources)

  1. Do I need to download the software?
    No, One Click LCA is entirely web-based. You access it through your browser, meaning there is no desktop version to install.

  2. Will my license be valid until the exam deadline?
    The training licenses are generally valid for one month from the start of the bootcamp (e.g., until June 7th, 2026).

  3. Until when will the session recordings be available?
    Recordings will remain accessible in the Academy until the Autumn 2026 semester.

  4. Will we work on a real case study?
    Yes, applying concepts to real numbers is an optional part of the bootcamp. You can access the practical exercises in the course modules.

  5. Which data is limited by standards: input or output?
    Standards like EN 15804+A2 define the specific data points and impact indicators (both inputs and outputs) required to ensure compliance. The software uses compliance cards to show which datasets meet these requirements.

12

Session 4 EPD Bootcamp Q&A

1. Strategic EPD Implementation & Scoping

(Furniture, reclaimed materials, and manufacturing boundaries)

  1. Can EPDs be developed for furniture products, specifically those made from reclaimed lumber?
    Yes, EPDs are applicable to furniture. For reclaimed lumber, the environmental footprint is typically lower because the “A1” raw material impact is significantly reduced (it is treated as a secondary material). The assessment would focus more on the manufacturing (A3) and transport (A2/A4) phases.

  2. What scope best fits mechanical containment products like cable trays and ladders?
    ****For products manufactured from raw materials and sold to contractors/wholesalers, the most suitable scope is typically Cradle-to-Gate (A1–A3) with options.

  3. Is there an effort to consolidate EPDs created in other software tools?
    Yes. Tools like Materials Compass aim to consolidate EPDs from many different Program Operators and databases globally, regardless of whether they were created in One Click LCA or other software.

2. Regulatory Compliance & Global Impacts

(Carbon credits, international adoption, and DoPC)

  1. Will it be possible to purchase carbon credits and continue building unsustainably?
    While carbon credits may still exist, regulations like CBAM and stricter building codes are moving the industry toward real emissions reductions. Over time, it will become much harder to rely on offsets rather than selecting low-carbon materials and providing transparent reporting.

  2. Do countries like Pakistan or other non-EU regions have to adopt these standards?
    While not mandatory by local law in every country, global supply chains and the EU’s Carbon Border Adjustment Mechanism (CBAM) act as “de facto” mandates. To export materials to the EU, manufacturers worldwide must comply with these carbon reporting standards.

  3. What is the latest on the new Declaration of Performance and Conformity (DoPC) and the EC software?
    The CPR revision introduces environmental characteristics into the DoPC. While there is discussion about free software provided by the European Commission, the industry is currently awaiting final publication and mandatory deadlines. In the meantime, third-party verified EPDs remain the most robust way to prepare.

  4. What is the best way to stay updated on these rapidly evolving regulations? ****Staying active in professional communities (like the One Click LCA forum, LinkedIn Communities), following Program Operator updates, and monitoring EU Commission publications regarding the ESPR and CPR are the best approaches.

3. Technical Definitions & Methodology

(Terminology and circularity)

  1. What is the difference between “embedded” and “embodied” carbon?
    Embodied carbon is the official technical term used in LCA/EPD to describe all greenhouse gas emissions linked to a product across its life cycle (materials, manufacturing, transport, construction, EoL). “Embedded carbon” is an informal term sometimes used synonymously but is less common in professional standards.

  2. Are the materials listed in Materials Compass all third-party verified? ****T
    he database includes a wide range of certifications, including EPDs and other verified environmental declarations, to ensure data transparency for users.

4. Software Tools & Integrations

(Revit and market trends)

  1. Is the EPD functionality also available as a Revit add-in?
    ****Yes, One Click LCA offers integrations for Revit to help designers perform building-level assessments and select lower-carbon products directly within their BIM enviro nment.

  2. Which countries and industries are the biggest users of One Click LCA?
    The construction industry is the primary user, particularly in Europe (Nordics, UK, Netherlands, France) for reporting embodied carbon and achieving certifications like LEED and BREEAM.

5. Professional Growth & Networking

(Certificates, career paths, and summits)

  1. Where should an aspiring LCA/EPD specialist start their journey?
    Focus first on the core ISO 14040/44 and EN 15804 standards. Once you have the fundamentals, you can specialize in specific sectors (like MEP or infrastructure) where circularity rules differ.

  2. Is it possible to register for the Helsinki Carbon Expert Summit as an individual?
    Yes, individuals are welcome. You can register through the official event page.

  3. Where can we ask follow-up questions after the bootcamp ends? ****You can continue the conversation and post questions on our community forum.