The way a furnaces heats a home is pretty straightforward. The fuel, either natural gas or propane, piped in from an outside source to the furnace. It is heated by a heat exchanger, and the heated air is moved through a series of duct systems by a forced air system distributing heat to all the rooms in the home. Older furnaces have a pilot light that must be manually turned on and off. Newer furnaces have electronic ignition switches that light the pilot. Typical problems with a furnace that may necessitate a visit by Furnace Repair in Minnetonka include:
* Produces little or no heat -; The first thing to check is the thermostat setting as it may be too low or not on at all. Another culprit may be a blown or tripped circuit breaker or fuse. Check to ensure that the valve at the fuel source is open. For furnaces with manual pilot lights check that the pilot light is on.
* Furnace cycles on and off frequently -; Furnaces that cycle on and off more frequently than usual may be because of dirty air filters, or a failing blower motor or thermostat. Simply resetting the thermostat’s heat anticipator or replacing a dirty air filter may solve the issue.
* The blower motor runs constantly -; If the motor runs without stopping it may be due to the fan being set on continuous mode or the limit control switch on the furnace is faulty. To fix the problem, change the thermostat setting or reset or replace the furnace’s limit control switch.
* The furnace is too noisy -; High-pitched squealing sounds are not normal and sometimes happen when the blower belt becomes loose, or the motor or shaft bearings need lubricating. Try tightening the blower belt such that it doesn’t dip more than one inch at the center of its span. Low-pitched rumbling noises occur if the pilot light is adjusted incorrectly.
Major repairs or installation of furnaces is best performed by experienced technicians at Sabre Heating & Air Conditioning. Check the website at website domain for routine maintenance tips that the homeowner can perform including cleaning or replacing the air filter on a monthly basis. Companies that provide Furnace Repair in Minnetonka also offer homeowners annual furnace inspections that cover such things as cleaning and inspecting blower blades, lubricating the motor and checking the blower belt for abnormal wear and tear.
