You know it’s summer or winter when we find ourselves running to the thermostat much more often. Whether you need the heat or the A/C, the thermostat becomes a key part of any home. However, there are common mistakes that homeowners make when it comes to their thermostat, some that are quick fixes and some that you can easily repair with the help of a licensed technician. 1. Don’t keep the heat on all day. One of the three biggest thermostat mistakes that a homeowner can make with their HVAC system is leaving it running all day long. While you…