Sensi ST55 Smart Wi-Fi Thermostat - Easy DIY, Works with Alexa (White)

Manage home comfort from the wall or from a compatible smartphone or tablet with the Sensi ST55 Smart Wi-Fi Thermostat. Designed for energy savings and data privacy, with over 100 years of HVAC experience, you can feel confident in the product you put on your wall.

Easy DIY Installation

Use the built-in level and step-by-step app instructions for a quick installation. Works with HVAC equipment found in most homes. Common wire (c-wire) is not required in most applications.

Privacy Protection

Sensi won’t sell your personal information to third parties.

Smart Maintenance

Sensi can help monitor the performance and efficiency of your HVAC system by delivering valuable usage reports, alerts about your equipment, and maintenance reminders like filter replacement.

Backed By HVAC Expertise

More than 100 years of experience with HVAC systems went into the development of Sensi.

Smart Home Compatible

Sensi easily integrates with popular smart home platforms including Amazon Alexa, Apple HomeKit, Google Assistant and Samsung SmartThings