Heirloom Carbon vs AirMyne
Side-by-side comparison of AI visibility scores, market position, and capabilities
$475M committed for two Louisiana DAC facilities (17K + 100K tonne/yr). First commercial-scale DAC going operational in 2026. DOE Project Cypress hub partner.
About
Heirloom Carbon is one of the only direct air capture (DAC) companies to cross from pilot scale to actual commercial operation in 2026, with its first facility in Shreveport, Louisiana going operational this year. The company has secured $475 million in committed investment for two Louisiana plants: a 17,000-tonne-per-year facility now operational and a 100,000-tonne-per-year facility under development — representing the largest DAC buildout in North America.
Selected for two separate DOE DAC Hubs (Red Rocks + CALDAC). Breaking ground on commercial pilot in California in 2026. Geothermal-powered DAC cuts energy cost barrier.
About
AirMyne is a direct air capture (DAC) company that uses geothermal energy to power its liquid sorbent CO2 capture process — addressing the largest cost driver in DAC by using low-temperature geothermal heat for sorbent regeneration rather than electricity. The company is breaking ground on a commercial pilot facility in San Joaquin County, California in 2026, with CO2 to be stored in adjacent Class VI sequestration wells.
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