Amazon offers the Emerson Sensi Wi-Fi Thermostat for $79 shipped. For comparison, it was originally listed at $130 but currently sells for around $100 at most retailers like Best Buy. Today’s deal is a new Amazon all-time low as well. This model sports full smart home functionality for less than most alternatives on the market today. It works with Alexa, Google Assistant and HomeKit. Emerson claims that most users will see over 20% savings on HVAC energy costs with this unit. Rated 4.1/5 stars.

Emerson Smart Thermostat features:

  • SAVE ABOUT 23% ON HVAC ENERGY: The ENERGY STAR certified Sensi thermostat helps you save on your HVAC energy costs, with features like geofencing, 7-day flexible scheduling, remote access and energy usage reports.
  • GET REBATES: Find utility rebates in your area through the rebate finder at sensi.emerson.com/rebates.
  • MOST INSTALL IN 30 MINUTES OR LESS: With step-by-step instructions and video tutorials right in the mobile app, most people install Sensi in 30 minutes or less.
  • EXTENSIVE COMPATIBILITY: Works with the HVAC equipment found in most homes – a c-wire is required for heat-only, cool-only and heat pump systems without aux. To check system and router compatibility, refer to our online compatibility resources at sensi.emerson.com/compatibility.

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