Fundraising Fox

Woosh Air

South San Francisco, US · Founded 2020 · Delaware corporation

Woosh makes a reusable HVAC air filter system with a rigid magnetic frame, adhesive gaskets, and MERV 8 refills designed to seal filter slots and eliminate air bypass. It offers add-ons for sensor-based filter change alerts, 24/7 HVAC monitoring, and whole-home air purification for residential customers.

Founders & leadership

WM
Winston MokNamed on SEC filing
CN
Christopher NguyenNamed on SEC filing

Reported raises · per SEC filings

Form D private placements

$3.5M disclosed across 2 rounds · 2021–2022

$2.3MraisedJul 2023 · 15 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Winston MokExecutive Officer, Director
  • Christopher NguyenDirector
Offering amount
$2.3M
Amount sold
$2.3M
First sale
Dec 2022
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗
$1.3MraisedMay 2023 · 14 investors · Other Technology
Rule 506(b)
Officers, directors & promoters on the filing
  • Christopher NguyenDirector
  • Winston MokExecutive Officer, Director
Offering amount
$1.3M
Amount sold
$1.3M
First sale
Jun 2021
Incorporated
Corporation, Delaware, 2020
Federal exemptions
06b
Full filing on SEC EDGAR ↗

Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.

Frequently asked questions

What does Woosh Air do?
Woosh makes a reusable HVAC air filter system with a rigid magnetic frame, adhesive gaskets, and MERV 8 refills designed to seal filter slots and eliminate air bypass. It offers add-ons for sensor-based filter change alerts, 24/7 HVAC monitoring, and whole-home air purification for residential customers.
How much funding has Woosh Air raised?
Woosh Air has disclosed $3.5M raised across 2 rounds.
Where is Woosh Air headquartered?
Woosh Air is headquartered in South San Francisco, US.