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Smart Home Installation

Read through step-by-step tutorials to help you prepare for any installation pertaining to your smart home.

Ross Trethewey installs a smart thermostat

How to Upgrade to a Smart Thermostat with Four Wires | This Old House: Live

Ask This Old House home technology expert Ross Trethewey demonstrates how to install a new smart thermostat without an existing common wire. This video is part of This Old House: Live—an initiative providing daily programming and opportunities to connect with our experts during these challenging times.