DESK RESEARCH, NOT TESTED — compiled from the vendor's public website on Oct 15, 2026. Vendor claims are not verified by Means & Methods Lab.

Directory / Sustainability & carbon / Embodied carbon & EPD database

EC3 (Building Transparency)

Not AI-first Sustainability, carbon & ESG

WHAT IT DOES

Building Transparency, a nonprofit, provides EC3 (Embodied Carbon in Construction Calculator), described as a free and open-access embodied-carbon accounting tool and EPD database for finding and comparing materials, planning project embodied carbon, declaring products, and auditing digital EPDs. The EC3 program page cites 50,000+ valid EPDs hosted and users in 84 countries (vendor figures). Also lists tallyLCA, an EC3 API, Open Data for Climate, and EC3 2.0 in development. Integration notes on that page include One Click LCA, Procore, and others. No AI features described on the pages we read.

WHO IT'S FOR

Designers, specifiers, contractors, and owners working on embodied carbon.

PRICING MODEL (AS PUBLICLY STATED)

EC3 tool access is described as free and open-access. Building Transparency also lists an "API Access & Pricing" page (our Oct 15 fetch of that page was blocked by the site's Cloudflare challenge, so we do not restate any API prices). Nonprofit accepts donations. (Checked Oct 15, 2026.)

Prices change; check the vendor page.

Facts last checked: Oct 15, 2026

VENDOR LINKS

TEST STATUS

Not yet tested. No scores exist for this tool.

USER REVIEWS

Reviews are the opinions of individual users, not Means & Methods Lab test results. Every review is held for moderation before it appears. Reviewers who work for, are paid by, or have a financial relationship with EC3 (Building Transparency) or a competitor must disclose it; disclosed affiliations are shown with the review. Reviews and moderation are never for sale.

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