Heirloom was founded with the mission to combat climate change by removing 1 billion tons of carbon dioxide from the atmosphere using a cost-effective Direct Air Capture (DAC) solution. The company's vision is to restore atmospheric balance by harnessing the natural power of limestone through a mineralization process known as enhanced weathering. Heirloom's core service focuses on leveraging both natural processes and advanced engineering to provide an affordable and permanent carbon removal solution, targeting industries and governments committed to reducing their carbon footprint.

Notable affiliates and investors in Heirloom include prominent figures and organizations in the climate tech and venture capital sectors, though specific names are not disclosed. Key achievements for Heirloom include the development and scaling of their innovative DAC technology, positioning them as a leader in the carbon removal industry. The overall impact of Heirloom's work is significant, as it addresses one of the most pressing environmental challenges by offering a scalable solution for large-scale CO2 removal, contributing to global efforts to mitigate climate change.