Many smart thermostats can be installed as a DIY project. Our guide will show you what to look for, how to install, and everything you should know about setup.

Upgrade to a smart, easy-to-program, and energy-efficient thermostat, such as the Nest Thermostat, $246.95 at Amazon. They're easier to install than you might think, and many models pay for ...

CR's experts test smart thermostats for a living, so they know about all the pitfalls that come with adapting them to your existing HVAC system.

Our walkthrough on smart thermostat installation will give you the details, important checks to make and how to make steps easier.

Here's a how-to on installing your new smart thermostat and uninstalling your old standard thermostat.