Carbon Engineering vs Heirloom
Carbon Engineering
Working to restore our climate with technology that removes carbon dioxide from the air at megaton-scale
189 employees · est. 2009 · Canada
Heirloom
Mitigating the worst impacts of climate change by developing the world’s most cost-effective CO2 removal technology
183 employees · est. 2020 · San Francisco, United States
Carbon Engineering is the older company (2009 vs 2020).
Side-by-Side Comparison
| Metric | Carbon Engineering | Heirloom |
|---|---|---|
| Founded | ||
| Founded | 2009 older | 2020 |
| Headquarters | ||
| Headquarters | Canada | San Francisco, United States |
| Employees | ||
| Employees | 189 | 183 |
| Industry | ||
| Industry | ESG, Renewable Energy, Sustainability | Not tracked yet |
| Funding Stage | ||
| Funding Stage | Grant | Series B |
| Total Funding | ||
| Total Funding | $79.00M | $204.00M |
| Funding Rounds | ||
| Funding Rounds | 10 | 4 |
| Services | ||
| Services | Direct Air Capture Technology, Carbon Dioxide Removal, Climate Change Mitigation, Sustainable Innovation Development | Permanent CO2 Removal, Direct Air Capture Facility Development, Advanced Carbon Capture Technology |
| Target Customers | ||
| Target Customers | Environmental Organizations, Governments Committed to Climate Action, Industries Focused on Sustainability, Research Institutions, Companies Targeting Carbon Neutrality | Businesses Committed to Sustainability, Organizations with Net-Zero Goals, Partners Interested in Climate Solutions |
| Taxonomy | ||
| Taxonomy | Carbon CaptureDirect Air CaptureClean EnergySustainable TechnologyCO2 ConversionClimate Restoration +6 | Climate Change MitigationCO2 Removal TechnologyDirect Air CaptureCarbon CaptureLimestone UtilizationPermanent CO2 Storage +5 |
| Website | ||
| Website | carbonengineering.com | heirloomcarbon.com |
About Carbon Engineering
Carbon Engineering, founded in 2009 and headquartered in Canada, is at the forefront of the clean energy sector. The company is pioneering technology designed to capture CO₂ directly from the atmosphere, a process crucial for addressing global climate challenges. With a mission encapsulated by thei...
About Heirloom
Heirloom is at the forefront of climate change mitigation, boasting the development of the world's most cost-effective direct air capture (DAC) technology to remove CO2 from the atmosphere. Founded in 2020, this innovative company has drastically condensed the time required for limestone to absorb c...
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Compiled from the BounceWatch company index. We last looked at Carbon Engineering on 20 Oct 2025, and Heirloom on 21 Oct 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
