A gas furnace is made of many parts that can be broken down into their individual components. Each component will have a specific task, or the furnace will not operate correctly. Below are the main basic components for almost any gas furnace. Gas Furnace Components and Parts Explained Heat Exchanger When gas burns, it gives… Read More »
Purchasing a furnace capacitor and installing it is easy to do and falls into the do-it-yourself category. Basic precautions need to be taken, mainly turning the power off to the furnace so as not to get shocked. Furnaces can fall into three categories when it comes to capacitors. Not have a capacitor at all. Some… Read More »
If the high limit switch in a furnace keeps tripping, the most common cause is a lack of airflow. When the air can not flow through the furnace, it heats up and trips the limits switch off. Why Does the High Limit Switch Shut Off the Furnace? The high limit switch is a safety feature,… Read More »
If your furnace needs a new control board, the average cost for an HVAC technician to install it is $400-$700. If you are a DIY type of person, furnace control boards can be bought online for $50-$250, depending on the furnace. Can I Replace My Own Furnace Circuit Board? Doing it yourself is very tempting… 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 »