Furnace Troubleshooting
Air flow problems
If your furnace is turned on but there is no air flow or air flow problems then there is a mechanical problem. One possibility is a worn part in the fan motor, which is impairing the performance of the motor. The cause could also be a bearing that is failing, or a worn out belt. All of these are serious issues and likely require the services of a licensed heating and air conditioning expert
Heat exceeds set temperature
So you’ve set your thermostat to a certain temperature and the heat level exceeds the set temperature. One possible cause is that the thermostat is mounted crookedly. If this looks to be the case, remove the cover to the thermostat, loosen the screws that hold the thermostat unit to the wall and then level the thermostat. Retighten the screws and replace the cover. Another possible cause is that the thermostat heat anticipator needs adjusting. This device is mounted in the center of many mechanical thermostats and it calibrates at which point the thermostat turns off the furnace burners. Adjusting this … Continue reading
Furnace turns on and off too often
If your gas furnace turns on and off too frequently this could be caused by a few different issues. It could either be a thermostat problem, a blower problem or even a dirty air filter. The dirty filter is the first thing to check because it’s an easy fix. Go ahead and replace the filter and see if this fixes the gas furnace turning on and off too frequently. If so, make sure you have this checked each month. If the issue is a thermostat or blower problem then we recommend a professional to assist you. Both of these issues … Continue reading
Gas furnace makes noise
Is your gas furnace making a loud noise, at least louder than it used to be? If it makes a squealing sound or a low pitched rumble sound we may know the source of the problem? The high pitched squealing sound is usually the blower belt slipping. The first thing to check is proper belt tension in the belt. The belt should depress about 1″ at the center of span. If the belt is too loose it should be tightened, but be careful not to tighten the belt to tight. A belt that is too tight can damage your furnace. … Continue reading
Trouble shooting a furnace thermostat
Need some help trouble shooting your furnace thermostat? The furnace thermostat is one of the first things we check when you are having problems with your gas furnace. A thermostat controls how much heat will be produced by the furnace and when the heat is produced. When the furnace fails to meet the temperature set by the thermostat, this could be one of several issues. The first thing to check is if the thermostat is level on the wall, it can affect the automatic turning on and off of the furnace. The thermostat will need to be remounted on the … Continue reading