The problem we have usually happens when it gets really cold, about 20 Degrees - We have a Lux electronic thermostat, and the furnace will not kick on when the temperatures goes below the setting. We have to manually do this - then the furnace runs for a little bit, enough to raise the temperature...

Hi, My thermostat's lowest temperature setting for heat is 45 degrees. (I have forced hot air with a gas furnace) When I am home, the temperature is set between 68 - 70. During the day when no one is home it is set at 45 degrees. Some people have told me that this is not good practice...

We have Janitrol / Goodman GMP Series gas furnace. Recently, the furnace would turn off before set temperature on the thermostat. I had a Lux programmable thermostat and thought this was the problem. I replaced the thermostat with a Honeywell programmable thermostat and it worked great. The...

My A/C cools below the set temperature. I turned the Thermostat off and the furnace kept running. I had to turn off the furnace at the breaker. Trying to figure out what might be the problem.

Our new home of approximately 2000 sq. ft. has two heating sources, a heat pump for the upstairs and a gas furnace for the first floor. We do not have a basement. The stairway is open to a second floor loft with two bedrooms and a bath enclosed. I have set back thermostats on both heaters. I am...