Heirloom

About Heirloom

Heirloom develops Direct Air Capture (DAC) technology that accelerates the natural carbon mineralization process of limestone, enabling the permanent removal of CO2 from the atmosphere in days instead of years. With facilities capable of capturing nearly 320,000 tons of CO2 annually, Heirloom provides a low-cost, verifiable solution to combat climate change for major corporate buyers.

```xml <problem> Removing billions of tons of CO2 from the atmosphere is necessary to mitigate the worst effects of climate change. Natural carbon mineralization, where limestone absorbs CO2 from the air, is a slow process that takes years. Scaling carbon removal requires accelerating this natural process. </problem> <solution> Heirloom employs Direct Air Capture (DAC) technology to accelerate the natural carbon mineralization process of limestone, enabling the permanent removal of CO2 from the atmosphere in days rather than years. The company's facilities capture CO2, which is then mineralized and permanently stored underground. This approach leverages the abundance and low cost of limestone to provide a scalable and verifiable carbon removal solution. Heirloom's DAC facilities are powered by 100% renewable energy and adhere to principles of responsible carbon removal, including strong labor protections and community governance. </solution> <features> - Direct Air Capture (DAC) technology using limestone for CO2 absorption. - Accelerated carbon mineralization process, reducing the time from years to days. - Permanent and verifiable CO2 storage underground. - Facilities powered by 100% renewable energy. - Third-party monitoring to guarantee the removal of one ton of CO2 per removal credit. - Focus on community engagement and creation of high-paying jobs. </features> <target_audience> Heirloom's primary customers are corporations seeking to offset their carbon emissions and achieve carbon-negative targets through verifiable and permanent carbon removal. </target_audience> ```

What does Heirloom do?

Heirloom develops Direct Air Capture (DAC) technology that accelerates the natural carbon mineralization process of limestone, enabling the permanent removal of CO2 from the atmosphere in days instead of years. With facilities capable of capturing nearly 320,000 tons of CO2 annually, Heirloom provides a low-cost, verifiable solution to combat climate change for major corporate buyers.

Where is Heirloom located?

Heirloom is based in San Francisco, United States.

When was Heirloom founded?

Heirloom was founded in 2020.

How much funding has Heirloom raised?

Heirloom has raised 207600000.

Location
San Francisco, United States
Founded
2020
Funding
207600000
Employees
202 employees
Major Investors
Future Positive, Lowercarbon Capital

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Heirloom

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Executive Summary

Heirloom develops Direct Air Capture (DAC) technology that accelerates the natural carbon mineralization process of limestone, enabling the permanent removal of CO2 from the atmosphere in days instead of years. With facilities capable of capturing nearly 320,000 tons of CO2 annually, Heirloom provides a low-cost, verifiable solution to combat climate change for major corporate buyers.

heirloomcarbon.com20K+
cb
Crunchbase
Founded 2020San Francisco, United States

Funding

$

Estimated Funding

$200M+

Major Investors

Future Positive, Lowercarbon Capital

Team (100+)

No team information available.

Company Description

Problem

Removing billions of tons of CO2 from the atmosphere is necessary to mitigate the worst effects of climate change. Natural carbon mineralization, where limestone absorbs CO2 from the air, is a slow process that takes years. Scaling carbon removal requires accelerating this natural process.

Solution

Heirloom employs Direct Air Capture (DAC) technology to accelerate the natural carbon mineralization process of limestone, enabling the permanent removal of CO2 from the atmosphere in days rather than years. The company's facilities capture CO2, which is then mineralized and permanently stored underground. This approach leverages the abundance and low cost of limestone to provide a scalable and verifiable carbon removal solution. Heirloom's DAC facilities are powered by 100% renewable energy and adhere to principles of responsible carbon removal, including strong labor protections and community governance.

Features

Direct Air Capture (DAC) technology using limestone for CO2 absorption.

Accelerated carbon mineralization process, reducing the time from years to days.

Permanent and verifiable CO2 storage underground.

Facilities powered by 100% renewable energy.

Third-party monitoring to guarantee the removal of one ton of CO2 per removal credit.

Focus on community engagement and creation of high-paying jobs.

Target Audience

Heirloom's primary customers are corporations seeking to offset their carbon emissions and achieve carbon-negative targets through verifiable and permanent carbon removal.

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