Rensair
Real Estate · HVAC & Refrigeration
$7Mlatest round · Venture round · May 2022 · 4 yr ago
1backers · Hoxton Ventures
10+team · employees, estimated range
2020founded
Overview
Rensair is the go-to solutions provider for safe and healthy indoor environments while improving energy efficiency and reducing carbon emissions by at least 40%. Rensair is a pioneer in the proptech space, creating sustainable ventilation solutions for the built environment. Rensair: HVAC Hacked.
Key facts
These are the key facts about Rensair on Alion as of Nov 13, 2026. It was founded in 2020. The latest round is Venture - Series Unknown of $7M, announced in 2022.
- Founded
- 2020Alion company profile, updated Oct 11, 2026
- Employees
- 10+Alion company profile, an estimated range
- Total raised
- $7MSum of 1 equity round Alion knows
- Latest round
- Venture - Series Unknown · $7M · May 10, 2022Press report · streetinsider.com
Funding and backers
Total raised
$7M
1 round on record
Latest round
$7M
Venture round · May 2022 · 4 yr ago
Team
11-50
employees, estimated range
Backers
1
Hoxton Ventures
The money's age
Long since its last round
54 months since the last round · not hiring
Momentum
15/100
in the news
Last sign of life
1 mo ago
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
May 10, 2022
Raised a round Venture round $7M
Jul 14, 2021
Recognition Rensair makes Newsweek's list of Best Infection Prevention Products 2021 · markets.businessinsider.com
2020
Founded
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Venture round | May 2022 | $7M | — | streetinsider.com |
Backed byfrom the funds' portfolios and accelerator catalogs
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Financials
Total raised
$7M
Latest round
Venture - Series Unknown
Funding rounds
1
Funding rounds
| Round | Announced | Amount | |
|---|---|---|---|
| Venture - Series Unknown | 2022 | $7M | Details |
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Hoxton VenturesVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
Shared investors
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How to cite this page
Alion, "Rensair: key facts", as of Nov 13, 2026. https://alion.io/company/rensair
These figures are published under a free licence. You may reuse them, including commercially, as long as you credit Alion and link back to this page. CC BY-SA 4.0