Ontoly certifies high-integrity carbon assets from real building performance
We specialize in carbon credit certification for building decarbonization and energy efficiency projects—using actual utility data, not broad assumptions or theoretical models. Our process issues ex-post carbon credits based on verified, measured emissions reductions from each unique building. No estimates. Just evidence.
Get started
Fund your retrofit project
Ontoly helps you monetize sustainability value by turning your building's emissions reductions into financial-grade assets.
From upload to certification—our data portal streamlines the carbon credit process for building owners.
- Pick Your Retrofit Path: Identify the project best suited to your building.
- Match with Approved Methodologies: Confirm your project aligns with Ontoly's Building Emissions Reduction Standard.
- Estimate Credit Value: Use Ontoly’s Project Valuation Tool to estimate the market value of your credits.
- Check Eligibility & Start: Take our eligibility assessment and sign up for our data portal to get started.
Purchase high-integrity credits
From building data to buyer confidence. Credits backed by real operating data—not estimates.
Our marketplace connects you to certified building decarbonization projects.
- Robust and Verified: Every credit meets rigorous principles, outlined in the Building Emissions Reduction Standard.
- Local Impact: Support real-world retrofits that credibly reduce emissions in your city.
- Secure and Transparent: All credits are securely tracked on our registry to ensure transparent ownership & prevent double counting.
- Corporate Reporting Ready: Use credits toward emissions reporting targets and recognized climate disclosure frameworks.
Learn how our certification works
Read our Building Emissions Reduction Standard and Approved Methodologies.
