Should I replace my thermostat or call an HVAC professional?

 It’s recommended to call a licensed professional for all types of HVAC work. However, Replacing your thermostat has become more of a DIY project and as long as you pay close attention to the instructions you should be safe. You will need some tools and remember to turn the power off at the breaker, the rest is pretty basic. There is also thermostat configuration that youll need to be concerned with. So youll need to know what type of system you have as well as how the system energizes the reversing valve.