Thermostat Basics
How to Replace a Thermostat Battery
Learn how to replace a thermostat battery, find the battery compartment, fit the right replacements, and check the display and heating or cooling afterward.
Thermostat Home
Find smart thermostat guides, comparisons, wiring help, compatibility advice, and clear explanations of thermostat types and home heating and cooling systems.
Latest guides
Thermostat Types and SystemsWhich Mechanical Thermostats Work with Heat Pumps?
A mechanical heat pump thermostat must match the system’s stages, reversing valve, and backup heat. Learn what to check before choosing a thermostat.
Smart Thermostat GuideCielo Breez Max Review
Cielo Breez Max review: see how its IR control, schedules, sensors and smart home options fit mini-split, window and portable ACs.
Smart Thermostat GuideNest Thermostat vs Learning Thermostat: Which to Choose?
Nest thermostat vs Nest Learning Thermostat: compare learning, room sensors, smart home support and schedule control to choose the right fit for your home.
Thermostat Wiring and PowerBest Thermostat Jumper Wires
Compare the best thermostat jumper wire options for low-voltage troubleshooting, including magnetic leads and alligator clips for different terminal setups.
Thermostat Types and SystemsBest Metal Thermostat Lock Box
Compare metal thermostat lock boxes and clear guards by size, lock style, and material. See which enclosure may suit your thermostat and installation.
Smart Thermostat GuideBest Smart Thermostats for Heat Pumps
Compare smart thermostats for heat pumps by system stage support, auxiliary heat compatibility, wiring needs and app features to find a suitable control.
Thermostat Wiring and PowerBest Thermostat Wire Covers
Compare the best thermostat wire covers for exposed wiring, with choices for short runs, long wall routes, corners and floor cables. Check fit before installing.
Smart Thermostat GuideBest Smart Line Voltage Thermostats
Compare smart line voltage thermostats for electric heat, with a clear look at wire checks, voltage, heater types, Wi-Fi control, scheduling and fit.