Customer Review(s)
Customer Rating: 



Summary: Great for the home
Comment: The Output A/C temperature should be about 59 degrees (cooling) and 100+ for a Heat Pump or 120+ degrees for gas heat at the Ventilation Register. Keeping track of your own system's performance saves on calling the Repairman needlessly.
Measure the temperature inside your refrigerator to make sure it is cooling sufficiently and the freezer, too. If it's too high, save money by vacuuming the coils on the back or underside yourself to avoid component failure, again saving money on Service Calls.
Check the accuracy of your Heat and A/C Thermostat. If it is off, utility bills can escalate.
Great little investment that we use frequently.