Fort Collins, CO · Founded 2021 · Privately Held (backing)
Developer of a modular drop-in electrified steam heat-pump boiler intended to use as little as half of the electricity of today's electric boiler services. AtmosZero is based in Fort Collins, CO and was founded in 2021. Its last reported valuation was $81.6 million in Mar 2026. It has raised $44.4 million.
Last reported valuation
$81.6M
Oct 2026
Priced at
—
Total raised
$44.4M
Last round
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Cap table — not yet on record
AtmosZero's share-class structure hasn't surfaced in our sources yet. Cap tables are assembled from certificates of incorporation, round filings, and disclosures as they land.
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·The complete investor list: 12 names
·Watch AtmosZero: the Monday email on marks, rounds and moves
