Brands · Head to head

Airthings vs First Alert

Comparing both brands side by side, ratings, catalog size and every product, so you can see which fits your smart home better.

Updated August 2026
Airthings logo
AirthingsNorway flagNorway
Higher rated
4.2/5
Average rating

Airthings is a Norwegian company specializing in indoor air quality and radon monitoring for homes and businesses. Its sensors measure radon, CO2, particulate matter, humidity, temperature and airborne chemicals, syncing the data to a mobile app and dashboard. Airthings is a popular choice for people concerned about long-term radon exposure and overall indoor air health.

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VS
First Alert logo
First AlertUnited States flagUnited States
3.7/5
Average rating

First Alert is an American home safety brand owned by BRK Brands, specializing in smoke alarms, carbon monoxide detectors, fire extinguishers and combination smoke and CO alarms. Its smart lineup includes Wi-Fi connected smoke and CO alarms that send mobile alerts and work with Google Home, managed through the First Alert app. First Alert focuses on reliable, widely certified fire and CO safety products for the home.

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