Category Archives: Furnace repair

Here is how to repair furnaces for the at home diy do-it-yourself type person or a beginning HVAC heating and cooling student. Furnaces heat are homes during the winter and any problem with the furnace can cost money and problems. We are here to help with any furnace problems you may face.

How To Buy and Replace a Furnace Capacitor

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 »

Cost to Replace a Furnace Motherboard Control Board

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 »

How To Bypass the Furnace Limit Switch for Testing

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 »

Troubleshooting a Furnace Pilot Light Problem

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 »

Parts and Overview for Old Gas Furnaces

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 »

How To Replace and Install a New Gas Furnace

  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 »