FAQs: Q. Do I need to turn off the power before installing a new thermostat? A. Yes, always turn off power at the breaker first. Q. What tools do I need to install a programmable thermostat? A. You’ll typically need a programmable thermostat kit, screwdriver or drill, voltage tester, and wire connectors. Q. How do I identify which wires go where on my new thermostat? A. Most thermostats include a wiring diagram and labels. Take a picture of the old wiring before disconnecting anything for reference. ---- More Smart Home Products: • Smart Thermostats • Smart Security Cameras & Systems • Smart Lighting • Smart Door Locks • Smart Speakers & Voice Assistants ------- More Smart Home Installation Guides: • How to Install a Motion Sensor- Motion sensor lights are easy to install. This step-by-step guide explains how to install a motion sensor light for your home. • How to Install a WIFI Thermostat - Replacing a thermostat yourself will save you money and can be easy with the right instructions. ------- • For more DIY tips, subscribe to our channel! homedepot.com/howto • Leave your questions in the comments below