Amazon offers the Sensi Smart Wi-Fi UP500W Thermostat for $99 shipped. Matched at Home Depot. Today’s deal is a $30 savings off the regular price, $5 less than our previous mention and the best that we’ve seen.

With Wi-Fi connectivity and Alexa control, this is the #1 best-selling thermostat controller at Amazon. It has also collected a solid 4.2/5 star rating from nearly 3,200 reviewers. Features include automatic scheduling, iOS/Android connectivity, “easy installation in 15 minutes or less”, and compatibility with a larger number of homes since it doesn’t require a C-wire hookup.

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The Sensi app takes all of the frustration and guesswork out of thermostat installation. Just tell the app which wires are connected to your old thermostat, and it chooses from hundreds of possible configurations to select the one that matches your home exactly. Even if you’re installing a thermostat for the first time, we have you covered. Clearly illustrated, step-by-step instructions will confidently guide you through installation from start to finish. Should you need any help along the way, our highly trained technical support team is just a phone call away, seven days a week.