Smart thermostats are popular choices for saving money and automating home temperatures -- but how do you know if yours is working? Here's what to look for.

Check your thermostat battery and power status Smart thermostats typically have a power source, such as a C-wire connection and a backup battery they can use when other power sources aren't working.

I’m not happy with my programmable thermostat so I’ve been looking around to see what other brands offer. In addition to easy buttons and functions, I want large numbers I can see witho… ...

The Smart Thermostat Test May 11, 2015 / 10:20 PM EDT / CBS Miami Follow CBSMIAMI.COM: Facebook | Twitter MIAMI (CBSMiami) – You may have seen them in at a hardware or electronics store.

With the faceplate removed, it's easy to check your thermostat's wiring, which should include at least several different-colored wires connected to different contact points.