Wiring and troubleshooting Thermostat – heat cold air condition AC howto HVAC wiring furnace

Here is how i test the thermostat for my HVAC system. I am not a professional, just documenting this and sharing my experience.

Some asked where to buy a Thermostat? Search “hardware supply” in google maps and a local hardware store sells it. Or go to online stores like Amazon. The following link goes to Amazon’s Thermostat:


Post time: 12-26-2016