Brands · Head to head

Cielo 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
Cielo logo
CieloUnited States flagUnited States
Higher rated
4.5/5
Average rating

Cielo is an American company based in Bellevue, Washington that builds smart climate control products for both ducted and ductless HVAC systems. Its Cielo Breez line turns mini-split, window and portable air conditioners that use an infrared remote into wall-mounted smart thermostats, while the Cielo Smart Thermostat range covers central heating and cooling. Everything runs through the free Cielo Home app with no subscription fees, and the devices work with Amazon Alexa, Google Assistant, Siri Shortcuts, SmartThings, IFTTT and Home Assistant.

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VS
First Alert logo
First AlertUnited States flagUnited States
3.5/5
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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