Helix Earth key facts
as of Oct 2026- Operator of filtration technology designed to save on air conditioning energy costs.
- Helix Earth is valued at approximately $44.0M as of Oct 2026 (last reported valuation).
- It has raised $19.0M; the latest was Seed Round ($12.0M) in Mar 2026.
- Notable investors include US National Science Foundation, U.S. Department of Energy, Endless Frontier Labs, Greentown Labs, Urban Future Lab — 15 tracked in total.
- Status: Privately Held (backing).
Helix Earth's last reported valuation, Mar 2026. Nothing priced has surfaced since.
- ·The complete investor list: 15 names
- ·Watch Helix Earth: the Monday email on marks, rounds and moves
Helix Earth funding rounds
No funding rounds for Helix Earth are on record yet — either the company hasn't raised institutional capital, or the raise hasn't surfaced in our sources.
Who backs Helix Earth
15+Helix Earth valuation
Helix Earth's last reported valuation was $44 million in Mar 2026. No priced round, secondary trade or fund mark has surfaced since.
Helix Earth investors
15 investors are on record for Helix Earth, including US National Science Foundation, U.S. Department of Energy, Endless Frontier Labs and Greentown Labs.
About Helix Earth
Operator of filtration technology designed to save on air conditioning energy costs. The company offers multiplexed inertial coalescence refining apparatus technology for integration into architectures for multiple applications and adapted to revolutionize air conditioning energy efficiency, enabling commercial buildings and industrial facilities to maintain a healthy indoor environment and improve sustainability.
- Sector
- Energy
- HQ
- Houston, TX, United States
- Founded
- 2022
- Employees
- 24
- Website
- helixearth.com/
- Ownership
- Privately Held (backing)
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