How to Wire a Thermostat - Your thermostat or programmable thermostat is an integral part of your comfort system. These thermostats, whichever type of thermostat(s) you have, require little maintenance. Often, I find that the only thing people know about theirAC and Heating systemsis how to t...
One additional thing to try is to use a 5 wire connection to your thermostat. Some DIY homeowners have found this to be a solution when the AC won’t work with a 3 wire connection. Follow the guidance in the section below “How to wire a 5 wire thermostat:” One homeowner who replace...