AtmosZero key facts
as of Oct 2026- 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 valued at approximately $81.6M as of Oct 2026 (last reported valuation).
- It has raised $44.4M; the latest was Early Stage VC ($15.6M) in Mar 2026.
- Notable investors include U.S. Department of Energy, Energy Impact Partners, Engine Ventures, Starlight Ventures, VXI Capital Management — 12 tracked in total.
- Status: Privately Held (backing).
AtmosZero's last reported valuation, Mar 2026. Nothing priced has surfaced since.
- ·The complete investor list: 12 names
- ·Watch AtmosZero: the Monday email on marks, rounds and moves
AtmosZero funding rounds
No funding rounds for AtmosZero are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
Who backs AtmosZero
12+AtmosZero valuation
AtmosZero's last reported valuation was $81.6 million in Mar 2026. No priced round, secondary trade or fund mark has surfaced since.
AtmosZero investors
12 investors are on record for AtmosZero, including U.S. Department of Energy, Energy Impact Partners, Engine Ventures and Starlight Ventures.
About AtmosZero
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. The company specializes in decarbonizing industrial process steam, enabling businesses to eliminate one-quarter of industrial emissions.
- Sector
- Business Products and Services (B2B)
- HQ
- Fort Collins, CO, United States
- Founded
- 2021
- Employees
- 32
- Website
- atmoszero.energy/
- Ownership
- Privately Held (backing)
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