Helix Earth
PrivateLast Round
Seed
Mar 26, 2026
Total Funding Raised
$19.14M
Momentum Score
25 /100
Company Overview
Helix Earth Technologies, Inc. is a Houston-based clean technology company that develops hardware solutions to enhance energy efficiency in commercial air conditioning, humidity control, and carbon capture. Spun out of Rice University and co-developed with NASA, the company's technology is designed to reduce commercial air conditioning energy use by up to 50%. The company's mission is to apply advanced liquid-gas chemistry to drive environmental improvements, with goals to conserve natural resources, lower carbon capture costs, and improve access to cooling in emerging economies. The technology is currently in its pilot phase, supported by a $5.6 million seed funding round.
Sector
Energy & Sustainability
Verticals
Energy Management, Green Building, Smart Buildings, IoT Hardware, Facility Management
Business Model
B2B
Customer Profile
Hardware Sales, Services & Consulting, Government Contracts
AI Layer
Non-AI
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Helix Earth Comps
Public and private peers based on sector, stage, and business model.
Helix Earth Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Seed | Mar 26, 2026 | ||||
| Grant | Jul 1, 2025 | ||||
| Seed | Nov 12, 2024 | ||||
| Grant | Sep 12, 2024 | ||||
| Grant | Sep 15, 2023 |
Helix Earth Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Carnrite Ventures | Seed |
| Textbook Ventures | Seed |
| Veriten | Seed |
| WS Investment Company | Seed |
| Anthropocene Ventures | Seed |
| Rua Ventures | Seed |
| Textbook Ventures | Seed |
Market signals
Structured signals derived from secondary market and firmographic data.
- Mar 26, 2026
Developing a cost-effective commercial air conditioner add-on for temperature and moisture control.
- Mar 26, 2026
Raised $12M in a Seed round.
Helix Earth Filings
SEC and related filings with document metadata.
| Typed | Date | Amount Offered | Amount Sold | Filling | Pages | Download |
|---|---|---|---|---|---|---|
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Frequently Asked Questions
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