# LCA Data & Tools **URL:** https://community.carbonleadershipforum.org/c/lca-data/11.md [Latest](https://community.carbonleadershipforum.org/latest.md) · [Categories](https://community.carbonleadershipforum.org/categories.md) · [Tags](https://community.carbonleadershipforum.org/tags.md) --- ## [About the LCA Data & Tools category](https://community.carbonleadershipforum.org/t/about-the-lca-data-tools-category/36)
**Author:** [@clf-admin](https://community.carbonleadershipforum.org/u/clf-admin)\ **Replies:** 0
This category covers the development of methodologies, benchmarks, standards, and tools to advance life cycle assessment use and practice. --- ## [Comparing Embodied Carbon Tools: One Click LCA, EC3, Tally, Athena, BEAM (Priopta Report + Webinar Recording)](https://community.carbonleadershipforum.org/t/comparing-embodied-carbon-tools-one-click-lca-ec3-tally-athena-beam-priopta-report-webinar-recording/9293)
**Author:** [@anthony.pak](https://community.carbonleadershipforum.org/u/anthony.pak)\ **Replies:** 1\ **Last updated:** [April 1, 2026, 11:29am UTC](https://community.carbonleadershipforum.org/t/comparing-embodied-carbon-tools-one-click-lca-ec3-tally-athena-beam-priopta-report-webinar-recording/9293 "2026-04-01T11:29:28Z")
I wanted to share the Embodied Carbon Tool Database Comparison report I published last month, along with the recording of the presentation I gave yesterday on it. If you’ve ever modelled the same building in two differe… --- ## [OneClickLCA Results to SE2050 SMQ's](https://community.carbonleadershipforum.org/t/oneclicklca-results-to-se2050-smqs/9286)
**Author:** [@tliebhold](https://community.carbonleadershipforum.org/u/tliebhold)\ **Replies:** 1\ **Last updated:** [March 12, 2026, 3:39am UTC](https://community.carbonleadershipforum.org/t/oneclicklca-results-to-se2050-smqs/9286 "2026-03-12T03:39:23Z")
Trying to do my SE2050 reporting, and curious if anyone has a good way to translate OneClick results to the SMQ reporting requirements for SE2050 using their spreadsheet. I fear I have a lot of transcribing ahead of me … --- ## [EPD vs Ecoinvent - Variability in carbon footprint of stainless steel](https://community.carbonleadershipforum.org/t/epd-vs-ecoinvent-variability-in-carbon-footprint-of-stainless-steel/4988)
**Author:** [@curi83](https://community.carbonleadershipforum.org/u/curi83)\ **Replies:** 3\ **Last updated:** [December 2, 2025, 1:59pm UTC](https://community.carbonleadershipforum.org/t/epd-vs-ecoinvent-variability-in-carbon-footprint-of-stainless-steel/4988 "2025-12-02T13:59:45Z")
Hello together I hope I am adressing this question in the right forum: To calculate several categories including steel, we use Ecoinvent Database. Now for Stainless Steel, Ecoinvent latest Database give me the followi… --- ## [DesignLCA plugin for Archicad](https://community.carbonleadershipforum.org/t/designlca-plugin-for-archicad/9066)
**Author:** [@LamarRhoades](https://community.carbonleadershipforum.org/u/LamarRhoades)\ **Replies:** 0\ **Last updated:** [August 4, 2025, 11:27pm UTC](https://community.carbonleadershipforum.org/t/designlca-plugin-for-archicad/9066 "2025-08-04T23:27:37Z")
Are there others using DesignLCA plugin for Archicad as a LCA analysis tool? Our firm came across it recently and it seems robust but requires some upfront work. We have been using the BEAM calculator primarily, though i… --- ## [NRC National guidelines for whole-building life cycle assessment Guidelines (Canadian Projects) - Assumptions for Missing LCA Stages](https://community.carbonleadershipforum.org/t/nrc-national-guidelines-for-whole-building-life-cycle-assessment-guidelines-canadian-projects-assumptions-for-missing-lca-stages/8984)
**Author:** [@KristinaKouyoumdjian](https://community.carbonleadershipforum.org/u/KristinaKouyoumdjian)\ **Replies:** 1\ **Last updated:** [July 17, 2025, 7:15pm UTC](https://community.carbonleadershipforum.org/t/nrc-national-guidelines-for-whole-building-life-cycle-assessment-guidelines-canadian-projects-assumptions-for-missing-lca-stages/8984 "2025-07-17T19:15:42Z")
Hello, Athena does not provide data for stages B1, B3, and B5. Based on the NRC guidelines, when a software tool omits certain stages, it is acceptable to assume that the combined impact of stages B1–B5 equals 10% of th… --- ## [How to model OWSJ](https://community.carbonleadershipforum.org/t/how-to-model-owsj/8878)
**Author:** [@mehdiz](https://community.carbonleadershipforum.org/u/mehdiz)\ **Replies:** 2\ **Last updated:** [July 1, 2025, 5:31pm UTC](https://community.carbonleadershipforum.org/t/how-to-model-owsj/8878 "2025-07-01T17:31:32Z")
Hello everyone, This is a modelling question: How do you explain Open Web Steel Joists (OWSJ) to Tally? Thank you! --- ## [Workflow Advice for Using Tally with Revit 2025?](https://community.carbonleadershipforum.org/t/workflow-advice-for-using-tally-with-revit-2025/8910)
**Author:** [@maggie.smith](https://community.carbonleadershipforum.org/u/maggie.smith)\ **Replies:** 1\ **Last updated:** [July 1, 2025, 4:30pm UTC](https://community.carbonleadershipforum.org/t/workflow-advice-for-using-tally-with-revit-2025/8910 "2025-07-01T16:30:09Z")
Hi everyone, We’re running into an issue trying to use Tally for LCA on a project developed in Revit 2025. Since Tally is only compatible with Revit 2024 and earlier, we tried downgrading the model to 2024, but in doing… --- ## [Benchmarks for Multiple Building Use Types and Stages](https://community.carbonleadershipforum.org/t/benchmarks-for-multiple-building-use-types-and-stages/8869)
**Author:** [@bredwine](https://community.carbonleadershipforum.org/u/bredwine)\ **Replies:** 4\ **Last updated:** [May 19, 2025, 7:14pm UTC](https://community.carbonleadershipforum.org/t/benchmarks-for-multiple-building-use-types-and-stages/8869 "2025-05-19T19:14:06Z")
The Colorado Embodied Carbon Collaborative (CECC) has completed a model that develops benchmarks for multiple building use types and stages. The initial information on our results can be accessed here. The purpose of t… --- ## [New EPD available for HVAC system components](https://community.carbonleadershipforum.org/t/new-epd-available-for-hvac-system-components/8795)
**Author:** [@mewoolsey](https://community.carbonleadershipforum.org/u/mewoolsey)\ **Replies:** 0\ **Last updated:** [April 7, 2025, 7:55pm UTC](https://community.carbonleadershipforum.org/t/new-epd-available-for-hvac-system-components/8795 "2025-04-07T19:55:00Z")
Swegon has developed an EPD for its line of volume control dampers, key components in lowering operational energy through demand control ventilation. Learn more here: REACT V | www.swegon.com --- ## [Light Weight Aggregate as a Sustainable Materials](https://community.carbonleadershipforum.org/t/light-weight-aggregate-as-a-sustainable-materials/5115)
**Author:** [@Sid](https://community.carbonleadershipforum.org/u/Sid)\ **Replies:** 14\ **Last updated:** [March 17, 2025, 3:31pm UTC](https://community.carbonleadershipforum.org/t/light-weight-aggregate-as-a-sustainable-materials/5115 "2025-03-17T15:31:35Z")
Hello All I wonder if Light Weight Aggregate could be considered as a sustainable material and if there is any LCA or any scientific evidence to support this. I am talking about manufactured Light Weight Aggregates that… --- ## [Omniclass category](https://community.carbonleadershipforum.org/t/omniclass-category/8667)
**Author:** [@scott\_waddell](https://community.carbonleadershipforum.org/u/scott_waddell)\ **Replies:** 2\ **Last updated:** [March 5, 2025, 8:12pm UTC](https://community.carbonleadershipforum.org/t/omniclass-category/8667 "2025-03-05T20:12:11Z")
How are you assigning elements into Omniclass which don’t clearly fit into a category? (At least not clear to me) Interior or exterior concrete shear walls that aren’t part of a foundation enclosure - 21-02 10 10 10 Fl… --- ## [Enclosure scope, include vestibules and core?](https://community.carbonleadershipforum.org/t/enclosure-scope-include-vestibules-and-core/8668)
**Author:** [@scott\_waddell](https://community.carbonleadershipforum.org/u/scott_waddell)\ **Replies:** 1\ **Last updated:** [March 5, 2025, 12:06am UTC](https://community.carbonleadershipforum.org/t/enclosure-scope-include-vestibules-and-core/8668 "2025-03-05T00:06:39Z")
For the enclosure scope, have any standards defined whether to include the vestibule and core elements such as egress stairs, egress stair interior partitions and doors, elevator partitions and doors, elevator car and ra… --- ## [BIMCat Tool experience](https://community.carbonleadershipforum.org/t/bimcat-tool-experience/8660)
**Author:** [@gmysoregirish](https://community.carbonleadershipforum.org/u/gmysoregirish)\ **Replies:** 0\ **Last updated:** [February 25, 2025, 6:31pm UTC](https://community.carbonleadershipforum.org/t/bimcat-tool-experience/8660 "2025-02-25T18:31:50Z")
Has anyone used the BIMCat tool? Are there any resources and guides that are helpful to get started? --- ## [Tally export to EC3](https://community.carbonleadershipforum.org/t/tally-export-to-ec3/8659)
**Author:** [@gmysoregirish](https://community.carbonleadershipforum.org/u/gmysoregirish)\ **Replies:** 0\ **Last updated:** [February 25, 2025, 6:30pm UTC](https://community.carbonleadershipforum.org/t/tally-export-to-ec3/8659 "2025-02-25T18:30:14Z")
Hi, what is the best way to export material quantities to EC3? Is the export button in Tally the best way to do it? We are trying to do this on a project and found several discrepancies. Please suggest the best workflow. … --- ## [How to Lower Embodied Carbon in Construction—Proforma vs Proformative Actions](https://community.carbonleadershipforum.org/t/how-to-lower-embodied-carbon-in-construction-proforma-vs-proformative-actions/8632)
**Author:** [@BillCaplan](https://community.carbonleadershipforum.org/u/BillCaplan)\ **Replies:** 0\ **Last updated:** [February 17, 2025, 8:30pm UTC](https://community.carbonleadershipforum.org/t/how-to-lower-embodied-carbon-in-construction-proforma-vs-proformative-actions/8632 "2025-02-17T20:30:17Z")
Sound building design can reduce Embodied Carbon even lacking sufficient Life Cycle Analysis data and tools. This video addresses reality. How building design and construction materials accelerate Climate Change. How … --- ## [OneClick vs. eTool Result Trends?](https://community.carbonleadershipforum.org/t/oneclick-vs-etool-result-trends/5752)
**Author:** [@mike.kovacs](https://community.carbonleadershipforum.org/u/mike.kovacs)\ **Replies:** 4\ **Last updated:** [January 29, 2025, 4:38pm UTC](https://community.carbonleadershipforum.org/t/oneclick-vs-etool-result-trends/5752 "2025-01-29T16:38:59Z")
Anecdotally, my team understands that OneClick A1-A5 and A-C embodied carbon results tend to be notably lower than those from eTool and a couple other tools. We have our suspicions about why – all probably driven by a po… --- ## [Transitioning from Tally to OneClick LCA - best practices?](https://community.carbonleadershipforum.org/t/transitioning-from-tally-to-oneclick-lca-best-practices/7931)
**Author:** [@jschwartzhoff](https://community.carbonleadershipforum.org/u/jschwartzhoff)\ **Replies:** 12\ **Last updated:** [August 29, 2024, 1:32pm UTC](https://community.carbonleadershipforum.org/t/transitioning-from-tally-to-oneclick-lca-best-practices/7931 "2024-08-29T13:32:00Z")
Hello carbon brain trust! We’re currently testing out OneClick LCA in our office, hoping to find a replacement for Tally LCA now that the data is getting stale. There seems to be a lot of potential for this tool, but t… --- ## [AI in carbon show you how to save 29bn Kg of Co2e over 620m iPADs](https://community.carbonleadershipforum.org/t/ai-in-carbon-show-you-how-to-save-29bn-kg-of-co2e-over-620m-ipads/8479)
**Author:** [@nickgogerty](https://community.carbonleadershipforum.org/u/nickgogerty)\ **Replies:** 0\ **Last updated:** [December 20, 2024, 11:15pm UTC](https://community.carbonleadershipforum.org/t/ai-in-carbon-show-you-how-to-save-29bn-kg-of-co2e-over-620m-ipads/8479 "2024-12-20T23:15:16Z")
If any one is interested in seeing AI create decarbonisation options for Carbon and build supplychains on the fly reach out. Here is an example of 2 models created in 5 minutes. wrong but useful models. --- ## [Share your Building LCA software experience!](https://community.carbonleadershipforum.org/t/share-your-building-lca-software-experience/8424)
**Author:** [@Dilshi](https://community.carbonleadershipforum.org/u/Dilshi)\ **Replies:** 0\ **Last updated:** [December 4, 2024, 12:58am UTC](https://community.carbonleadershipforum.org/t/share-your-building-lca-software-experience/8424 "2024-12-04T00:58:28Z")
Hello CLF community! My name is Dilshi Dharmarathna from Monash University, Australia. I am investigating the use of Building Life Cycle Assessment Software Tools by industry professionals as part of my PhD research. I … --- ## [Ranking of top embodied carbon materials in buildings](https://community.carbonleadershipforum.org/t/ranking-of-top-embodied-carbon-materials-in-buildings/7873)
**Author:** [@bredwine16](https://community.carbonleadershipforum.org/u/bredwine16)\ **Replies:** 3\ **Last updated:** [November 17, 2024, 3:18am UTC](https://community.carbonleadershipforum.org/t/ranking-of-top-embodied-carbon-materials-in-buildings/7873 "2024-11-17T03:18:19Z")
Does anyone have data that would help establish a list of materials ranked by their GWP in buildings? I realize that this is a tall order due to the variables (building type, stages considered, geographic location, buil… --- ## [\[Live Webinar\] Why Accurate EPD Data Matters to Concrete Producers?](https://community.carbonleadershipforum.org/t/live-webinar-why-accurate-epd-data-matters-to-concrete-producers/8364)
**Author:** [@climateearth](https://community.carbonleadershipforum.org/u/climateearth)\ **Replies:** 0\ **Last updated:** [November 12, 2024, 4:50pm UTC](https://community.carbonleadershipforum.org/t/live-webinar-why-accurate-epd-data-matters-to-concrete-producers/8364 "2024-11-12T16:50:08Z")
Join Climate Earth for an informative webinar that explores the critical importance of accurate Environmental Product Declarations (EPDs) in the concrete industry. By the end of this session, you’ll understand how preci… --- ## [1.5°C is 'now' or 'never'—no path exists without lower 'Upfront' Embodied Emissions](https://community.carbonleadershipforum.org/t/1-5-c-is-now-or-never-no-path-exists-without-lower-upfront-embodied-emissions/8357)
**Author:** [@BillCaplan](https://community.carbonleadershipforum.org/u/BillCaplan)\ **Replies:** 0\ **Last updated:** [November 11, 2024, 6:02pm UTC](https://community.carbonleadershipforum.org/t/1-5-c-is-now-or-never-no-path-exists-without-lower-upfront-embodied-emissions/8357 "2024-11-11T18:02:24Z")
Get the complete picture—Embodied Carbon & Climate Change / Issues with EPDs-LCAs and What To Do About Them. This eye-opening presentation at the Cary Institute AIA Climate Symposium is now on YouTube: https://youtu.be/H… --- ## [Seattle CLF LCA Tool User Group - November 6th](https://community.carbonleadershipforum.org/t/seattle-clf-lca-tool-user-group-november-6th/8336)
**Author:** [@heyslivers](https://community.carbonleadershipforum.org/u/heyslivers)\ **Replies:** 0\ **Last updated:** [November 7, 2024, 12:21am UTC](https://community.carbonleadershipforum.org/t/seattle-clf-lca-tool-user-group-november-6th/8336 "2024-11-07T00:21:39Z")
2024-11-07T20:00:00Z (UTC)→2024-11-07T21:00:00Z (UTC) The Tool User Group Meeting is for anyone to ask questions and learn about embodied carbon tools for buildings. We will meet this Thursday at noon. See Zoom sign up … --- ## [EC3 Pulling wrong EPDs from Revit Families](https://community.carbonleadershipforum.org/t/ec3-pulling-wrong-epds-from-revit-families/8099)
**Author:** [@LO\_Diane](https://community.carbonleadershipforum.org/u/LO_Diane)\ **Replies:** 2\ **Last updated:** [October 23, 2024, 3:09pm UTC](https://community.carbonleadershipforum.org/t/ec3-pulling-wrong-epds-from-revit-families/8099 "2024-10-23T15:09:47Z")
I am using TallyCAT to export families from Revit into EC3. We are using the Revit naming guidance for EC3 document. But even assigning the correct named materials in Revit, it doesn’t pull the correct epd collection. Fo… --- ## [WBLCA using TallyCAT for LEED](https://community.carbonleadershipforum.org/t/wblca-using-tallycat-for-leed/8185)
**Author:** [@Apoorva](https://community.carbonleadershipforum.org/u/Apoorva)\ **Replies:** 0\ **Last updated:** [September 9, 2024, 10:17pm UTC](https://community.carbonleadershipforum.org/t/wblca-using-tallycat-for-leed/8185 "2024-09-09T22:17:00Z")
Has anyone here used TallyCAT for a LEED submission? I’ve just started my first TallyCAT model, and it seems to only represent GWP. Am I missing something, or are there other reduction metrics that I’m not seeing? --- ## [What's the best way to show how total EC fluctuates based on each stage of the building lifecycle?](https://community.carbonleadershipforum.org/t/whats-the-best-way-to-show-how-total-ec-fluctuates-based-on-each-stage-of-the-building-lifecycle/2362)
**Author:** [@lindseyengh](https://community.carbonleadershipforum.org/u/lindseyengh)\ **Replies:** 5\ **Last updated:** [September 4, 2024, 11:41am UTC](https://community.carbonleadershipforum.org/t/whats-the-best-way-to-show-how-total-ec-fluctuates-based-on-each-stage-of-the-building-lifecycle/2362 "2024-09-04T11:41:01Z")
Hi there: This might be a stretch, but putting it out there anyways! Several of my clients are interested in reducing total EC in a new building, but they get stuck on one aspect of the building LCA - the product side o… --- ## [Equivalency calculators for other impact categories](https://community.carbonleadershipforum.org/t/equivalency-calculators-for-other-impact-categories/8166)
**Author:** [@Luke-Lombardi](https://community.carbonleadershipforum.org/u/Luke-Lombardi)\ **Replies:** 0\ **Last updated:** [August 29, 2024, 4:56pm UTC](https://community.carbonleadershipforum.org/t/equivalency-calculators-for-other-impact-categories/8166 "2024-08-29T16:56:58Z")
Hi all! It’s helpful to be able to put LCA data into context. There are nice tools for carbon (like EPA)–maybe folks are sick of seeing equivalent vehicle miles at this point, but perhaps that’s another post… I haven’t s… --- ## [Differentiating steel sourcing in LCA](https://community.carbonleadershipforum.org/t/differentiating-steel-sourcing-in-lca/5368)
**Author:** [@iancho](https://community.carbonleadershipforum.org/u/iancho)\ **Replies:** 10\ **Last updated:** [July 24, 2024, 5:55pm UTC](https://community.carbonleadershipforum.org/t/differentiating-steel-sourcing-in-lca/5368 "2024-07-24T17:55:12Z")
Hello folks - Does anyone know how to differentiate sustainable steel sources (e.g. steel manufactured using an EAF in a renewable grid, or Responsible Steel certified facility, or Econiq) within an LCA study that start… --- ## [Quality Assurance](https://community.carbonleadershipforum.org/t/quality-assurance/7920)
**Author:** [@guerrae](https://community.carbonleadershipforum.org/u/guerrae)\ **Replies:** 1\ **Last updated:** [July 19, 2024, 8:53pm UTC](https://community.carbonleadershipforum.org/t/quality-assurance/7920 "2024-07-19T20:53:47Z")
Is there a reliable way of doing a quality check or verification of a model’s LCA? How do you go about checking to avoid garbage in garbage out issues? We have a model where we were initially estimating 30%+ carbon savi… [Next page](https://community.carbonleadershipforum.org/c/lca-data/11.md?page=1)