Heirloom Carbon Technologies
Latest round
- Series B
Last raised
- Dec 2024
Total raised
- $203M
Investors
- 20
About Heirloom Carbon Technologies
Founded in 2020 in Brisbane, US, Heirloom Carbon Technologies specializes in carbon dioxide removal via Direct Air Capture. The company has undergone strategic developments to scale its operations. In December 2025, Heirloom Carbon Technologies, Inc. Heirloom specializes in Direct Air Capture (DAC) technology, utilizing limestone for carbon mineralization to permanently remove CO2 from the atmosphere. The company operates facilities that capture significant volumes of CO2, with plans for two new facilities in Northwestern Louisiana capable of capturing nearly 320,000 tons of CO2 annually. Heirloom's technology accelerates the natural mineralization process, targeting businesses committed to sustainability who purchase carbon removal credits to offset their emissions. The company primarily focuses on the North American market, especially the United States, as it scales operations aligned with regional net-zero goals. Heirloom specializes in Direct Air Capture (DAC) technology, utilizing limestone for carbon mineralization to permanently remove CO2 from the atmosphere. The company operates facilities that capture significant volumes of CO2, with plans for two new facilities in Northwestern Louisiana capable of capturing nearly 320,000 tons of CO2 annually. Heirloom's technology accelerates the natural mineralization process, targeting businesses committed to sustainability who purchase carbon removal credits to offset their emissions. The company primarily focuses on the North American market, especially the United States, as it scales operations aligned with regional net-zero goals. As of December 2025, the company plans to expand direct air capture plant construction, reduce carbon dioxide removal costs, broaden utilization partnerships, and increase carbon credit generation capacity.
Who invested in Heirloom Carbon Technologies
20 investors across 3 rounds
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Questions about Heirloom Carbon Technologies
Who invested in Heirloom Carbon Technologies?
Heirloom Carbon Technologies has 20 investors on record across 3 venture rounds. Sign up free to see every VC on the cap table and the rounds they joined.
How much funding has Heirloom Carbon Technologies raised?
Heirloom Carbon Technologies has raised 3 venture rounds. Sign up free to see how much each round raised and the total.
When did Heirloom Carbon Technologies last raise money?
Heirloom Carbon Technologies's most recent round on record is a Series B, in Dec 2024.
What does Heirloom Carbon Technologies do?
Founded in 2020 in Brisbane, US, Heirloom Carbon Technologies specializes in carbon dioxide removal via Direct Air Capture.
Where is Heirloom Carbon Technologies headquartered?
Heirloom Carbon Technologies is headquartered in Brisbane, US.
Which VCs invest in companies like Heirloom Carbon Technologies?
Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back environmental services companies at Heirloom Carbon Technologies's stage. Their profiles are linked below.
VCs backing environmental services startups at Series B
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