Hand holds a phone with the Nest app next to a Nest thermostat on a screen indicating HVAC running time - oasisamuel/Shutterstock For many homeowners, smart thermostats are worth the hype, as they let ...

For many homeowners, smart thermostats are worth the hype, as they let you control your heating and cooling efficiently from anywhere. One of these models, the Google Nest, is present in millions of ...