Aeroseal
PrivateLast Round
Series B
Apr 29, 2026
Total Funding Raised
$89M
Momentum
Top 25%
of companies Caplight tracks
Company Overview
Aeroseal is a climate technology company that provides patented duct and envelope sealing solutions to reduce energy waste and carbon emissions in residential and commercial buildings.
Sector
Energy & Sustainability
Verticals
Green Building, Construction Tech, Energy Management, Smart Buildings
Business Model
B2B
Customer Profile
Services & Consulting, Hardware Sales
AI Layer
Application
Keywords
Historical Pricing
Historical view of private secondary pricing and transaction trends.
Aeroseal Comparables
Compare Aeroseal with similar companies based on industry and business-model similarity.
| Company | Similarity | Market Cap |
|---|---|---|
| Duct Armor | 71% | |
| J.M. Huber Corporation | 65% | |
| DMI Companies, Inc. | 64% |
Aeroseal Funding Rounds
Historical fundraising activity
| Round | Date | Amount Raised | Valuation | Investors | Sources |
|---|---|---|---|---|---|
| Series B | Apr 29, 2026 | ||||
| Series B | Jul 20, 2023 | ||||
| Series A | Jun 22, 2021 |
Aeroseal Investors
Notable investors and investment history
| Investor | Rounds |
|---|---|
| Building Ventures | Series B, Series A |
| Climate Investment | Series B |
| Breakthrough Energy Ventures | Series B, Series A |
| Breakthrough Energy Foundation | Series B, Series A |
| Aramco Ventures | Series B |
| 2150.VC | Series B |
| Breakthrough Energy Discovery | Series B, Series A |
Market signals
Structured signals derived from secondary market and firmographic data.
- Apr 29, 2026
$20M round led by Breakthrough Energy Ventures
- Apr 6, 2026
Job posting mentions 'acquisition integration' as a key responsibility.
Recent news
Latest coverage and updates
- launchesOct 6, 2026
Aeroseal announces “Building Performance, Unlocked,” a podcast featuring building scientists, engineers, and practitioners discussing building performance challenges and best practices on Oct 6th '26.
Aeroseal 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.
Request accessFrequently Asked Questions
Common questions about Aeroseal's valuation, stock price, and market status.
Is Aeroseal a public or private company?
Aeroseal is a private company.
What is the current stock price of Aeroseal?
Aeroseal is a private company, so its shares have no public market price. Caplight tracks Aeroseal's secondary market activity and provides MarketPrice™ estimates of its share price to Caplight users.
How much is Aeroseal worth (valuation)?
Valuation information for Aeroseal is not publicly available.
Can I buy Aeroseal stock?
Aeroseal shares may be available on secondary markets subject to transfer restrictions. Caplight facilitates secondary market transactions for accredited investors.
When was Aeroseal's last funding round?
Aeroseal's most recent funding round was Series B on April 29, 2026.
Who are the main investors in Aeroseal?
Key investors in Aeroseal include Climate Investment, Breakthrough Energy Ventures, Breakthrough Energy Foundation, Breakthrough Energy Discovery.
Will Aeroseal IPO soon?
No public IPO plans have been announced for Aeroseal.
How can I track Aeroseal secondary market activity?
Caplight tracks bids, offers, and trades in Aeroseal's shares on secondary markets.