Brands · Head to head

Airthings vs Kidde

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
Kidde logo
KiddeUnited States flagUnited States
4.0/5
Average rating

Kidde is an American fire safety manufacturer founded in 1917 and one of the largest makers of residential smoke and carbon monoxide alarms. Alongside its traditional hardwired and battery alarms it sells a connected range that adds Wi-Fi, app notifications and voice alerts, including combination units that also monitor indoor air quality and models that report into the Ring app. It also makes fire extinguishers, escape ladders and water leak and freeze detectors.

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