Smart home

Smart thermostats and video doorbells, tested in real homes for convenience, reliability and privacy.

Buying guides

8 models tested · 12 weeksThe best smart thermostatWe installed 8 smart thermostats in three homes with furnaces and heat pumps. The WarmWise 3 saved the most energy without sacrificing comfort.By Jake Morrison · updated September 1, 2026Our pick: WarmWise 3

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Jake MorrisonHVAC installer by trade, tests tools and smart devices for the home.