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.

Furnace Filters Reviews: Best to Worst

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 replaced.   And just as… Read More »

Cost to Replace a Furnace Motherboard Control Board

If your furnace needs a new control board the average cost for a HVAC technician to install it is $400-$600 dollars.   If you are a home DIY type of person furnace control boards can be bought online for $50-$250 dollars depending on the furnace.   Doing it yourself is very tempting so let’s look… 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 »

Furnace Thermostat Wiring and Troubleshooting

When working with a thermostat the cover can be snapped off to expose the wiring.   Before doing any work on the thermostat and wiring take a picture off the wires and their connections, or write them down. This way you can always refer back to the original setup.   Even though there is a… Read More »

Gas Furnace Components and Parts Explained

A gas furnace can be broken down to its individual parts. Here are the main basic components for any gas furnace.     Heat Exchanger When gas burns it gives off toxic fumes including carbon monoxide which is dangerous when breathed in. To keep the toxic gases separate from the air that is blown through… Read More »

How To Test a Gas Furnace Pressure Switch

What is a gas furnace pressure switch? A furnace pressure switch is there to tell the furnaces control board that the inducer motor is working. An inducer motor spins and pulls out toxic gasses that come from burning gas and pushes it all out a vent creating a vacuum.   Before natural gas can go… Read More »

Our Picks: Top Furnace Repair Books 2015

If you need to work on a furnace having a good book about furnace repair is always a good idea. While the internet has many YouTube videos and web pages that teach parts of furnace repair a book can be much more thorough and detailed. A good book also has the ability to be a… Read More »