Replacing a furnace filter is often not on the top of the to-do list. It can be overlooked until the furnace is not working properly or the air becomes less clean. People with allergies are often the first to notice when a furnace filter has become dirty and needs to be replaced. And just as… Read More »
A furnace combustion chamber burns gas and contains harmful carbon dioxide as a byproduct. The furnace draft inducer vents the toxic gasses that come from the burner. An inducer motor ensures there is a constant flow of air outside through a vent, so no toxic gasses enter a home. A draft inducer pulls toxic gasses… Read More »
A furnace blower motor can be replaced by a handy DIY homeowner, which can save money. Of course, if in-doubt, be sure to call a professional HVAC technician. A new motor and capacitor will need to be bought to replace the old unit. Most hardware stores will not carry a furnace motor, but a new… Read More »
What is a Fan Limit Switch? A furnace has two switches, a fan limit switch and a high limit switch; these switches can be separate or in one package called a combination switch. High limit switch A high limit control switch will turn off the gas to a furnace if the temperature becomes too high.… Read More »
Testing the furnace limit switch by bypassing it is common to see if it has gone bad. A furnace should only be run for a short while to test the switch. The furnace limit switch helps protect the heat exchanger from becoming too hot and cracking. If the heat exchanger cracks, it can let noxious… Read More »
A Furnace Draft Inducer Motor Vents Toxic Gases Outside. A Furnace Pressure Switch Confirms the Draft Inducer Motor is Working. A draft inducer motor and pressure switch work together to make sure toxic gasses are vented from a furnace. When a furnace turns on, one of the first components to start is the inducer motor.… Read More »
Furnace Pilot Light Troubleshooting Steps The first thing is to make sure your thermostat is set to ‘heat’ and turned to above room temperature. How To Lite the Pilot Light Be sure the gas to the furnace is on. Turn the knob on the gas valve to pilot. Press the knob down and hold (or… Read More »
Furnaces are generally considered as being the heating part of an air conditioning system. They also serve as the air handling and filtering section of a complete system. Furnaces may be designed to use the various types of gases, fuel oil, or electric resistance elements as the heat source. The type of heat source will… Read More »
Installing a new furnace is a great way to save money for a do-it-yourself type of person. Some HVAC / construction skills will be needed. But if you feel comfortable connecting a gas line, hooking up a vent , can use tin snips and a hammer then you will have minimal if any problems.… Read More »