AtmosZero

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
—

Who backs AtmosZero?

12 investors
InvestorType
U.S. Department of EnergyOther
Energy Impact Partners—
Engine VenturesVenture capital
Starlight Ventures—
VXI Capital Management—
2150—
AENU—
Constellation Technology Ventures—
Mitsubishi Heavy Industries—
The Clean Fight—
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AtmosZero investors

12 investors are on record for AtmosZero, including U.S. Department of Energy, Energy Impact Partners, Engine Ventures and Starlight Ventures.

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