Brands · Head to head

Cielo vs Nuki

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

Updated June 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
Nuki logo
NukiAustria flagAustria
4.3/5
Average rating

Nuki is an Austrian company specializing in smart locks that retrofit onto existing European door cylinders without replacing the lock. Its smart locks support keyless entry, auto-unlock and remote access, with bridges for Wi-Fi and broad ecosystem support including Matter, HomeKit, Alexa and Google Home. Nuki is a leading smart lock brand in Europe.

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