AirEx
PrivateLast Round
VC Round
May 20, 2026
Total Funding Raised
$10.15M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
AirEx operates in Energy & Sustainability and is based in London. Its latest recorded funding round was a VC Round in May 2026.
AirEx is a climate-tech company that manufactures smart ventilation control systems designed to improve home energy efficiency and address fuel poverty.
Sector
Energy & Sustainability
Verticals
Energy Management, Green Building, Smart Buildings, IoT Hardware
Business Model
B2B
Customer Profile
Hardware Sales, Government Contracts
AI Layer
Application
Historical Pricing
Historical view of private secondary pricing and transaction trends.
AirEx Comparables
Compare AirEx with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Switchee | 73% | |
| Soler & Palau Ventilation Group | 72% | |
| Aldes Group | 69% |
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AirEx Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| VC Round | May 20, 2026 | ||||
| Debt | May 7, 2026 | ||||
| Debt | May 7, 2024 | ||||
| Series A Extension | Apr 4, 2023 | ||||
| Series A | Dec 12, 2022 | ||||
Grant | Jun 1, 2020 |
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Key People
Founding team and executive leadership
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AirEx Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Barclays Climate Ventures | VC Round |
| Unreasonable Collective | Series A |
| Francis Family Fund | Series A |
| Nesta | VC Round |
| Sustainable Ventures | VC Round, Grant |
| Innovate UK | Debt, Grant |
| Green Angel Ventures | VC Round |
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Market signals
Structured signals derived from secondary market and firmographic data.
- Aug 20, 2026
Monthly visitors increased 31% MoM, reaching 2.5K.
- May 20, 2026
$2.8M round raised from Sustainable Ventures and Vectr7.
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AirEx Filings
Explore SEC and related filing metadata, where available.
| Type | Date | Amount Offered | Amount Sold | Filing | Pages | Download |
|---|
Filing documents are not displayed on this public page. Request access to learn about available coverage.
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Frequently Asked Questions
Common questions about AirEx's valuation, stock price, and market status.
Is AirEx a public or private company?
AirEx is a private company.
What is the current stock price of AirEx?
AirEx is a private company, so its shares have no public market price. Caplight tracks AirEx's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is AirEx worth (valuation)?
Valuation information for AirEx is not publicly available.
Can I buy AirEx stock?
AirEx shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was AirEx's last funding round?
AirEx's most recent funding round was VC Round on May 20, 2026.
Who are the main investors in AirEx?
Key investors in AirEx include Nesta Impact Investments, Barclays Sustainable Impact Capital, Green Angel Syndicate.
Will AirEx IPO soon?
No public IPO plans have been announced for AirEx.
How can I track AirEx secondary market activity?
Caplight tracks bids, offers, and trades in AirEx's shares on secondary markets.