Company

Freshair

Rocket Ship Rating

Rocket Ship Rating: 90 out of 100

Protect what you value.

Also known as FreshAir Sensor, FreshAir Sensor, LLC

Property tech
Travel & hospitality
Hardware

Status: Operatingas of 2026-09-18
Business model: B2B
Headquarters: Lebanon, NH, United States
Customers: Trusted by leading hotels, management companies, brands, and multi-unit housing providers
Legal name: FreshAir Sensor, LLC

freshairsensor.com (opens in a new tab)

Open relationship map

Claim, correct or request removal

Record updated 28 September 2026

About

FreshAir Sensor is the industry leader in molecular sensor technology designed to ensure higher levels of indoor air quality.

Funding snapshot

Total raised: $34.1MSEC form D sum, as of 2026-09-28Source (opens in a new tab)
Latest round: Round, $3.7M2024-11-21

Funding rounds

Round, 2024: $3.7M2024-11-21, SEC form D sold, 9 investors
Round, 2023: $1M2023-05-05, SEC form D sold, 1 investor
Round, 2021: $14M2021-08-05, SEC form D sold, 4 investors
Round, 2019: $4.5M2019-10-31, SEC form D sold, 5 investors
Round, 2018: $3.5M2018-12-31, SEC form D sold, 22 investors
Round, 2017: $4.2M2017-05-11, SEC form D sold, 18 investors
Round, 2016: $3.2M2016-01-28, SEC form D sold, 15 investors

Products

Other: FreshAir Certified
Hardware: FreshAir Sensor