Access the Carbon Market

BERUs are certified financial instruments that let you sell verified emissions reductions from your building retrofit projects. One BERU equals one tonne of CO₂e reduction over a ten-year crediting period — backed by your real metered utility data.
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Why Sell BERUs
Unlock a new revenue stream from the retrofit work you're already doing. BERU revenue helps close the financing gap on projects, making more retrofits viable and giving your clients a stronger business case to move forward.

Benefits
1. New Revenue — Monetize measurable energy savings from every qualifying retrofit project above 50 tonnes CO₂.

2. Market Access — Reach voluntary buyers, green building certification purchasers, and emerging compliance markets through a single platform.

3. Credibility — Every BERU is third-party verified and tracked on Ontoly's public registry, building trust with buyers and differentiating your projects.
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How It Works
Upload your retrofit project data. Ontoly verifies performance using metered utility data, certifies BERUs, and connects you to buyers. You track everything — from issuance to sale — on your supplier dashboard.
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Book a Demo
See how the Ontoly platform certifies and sells emissions reductions from your retrofit projects.