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 important a dirty… Read More »

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 as not to get shocked. Furnaces can fall into three categories when it comes to capacitors. Not have a capacitor at all. Some units… Read More »

How To Test a Gas Furnace Pressure Switch

What is a Gas Furnace Pressure Switch? A gas furnace pressure switch is a safety component that makes sure gas is being vented from a furnace before starting. The furnace pressure switch sends a signal to the furnace control board that verifies the inducer motor is working. An inducer motor spins creating a vacuum that… 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 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 at a… Read More »

Test and Replace the Fan Limit Switch on a Furnace

What is a Fan Limit Switch? A furnace has two switches called 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… Read More »

Gas Furnace Components and Parts Explained

A gas furnace can be broken down to its individual parts. Below is the main basic components for almost any gas furnace. Gas Furnace Components and Parts Explained 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… Read More »

Our Picks for Best Furnace Filters for Allergies

Some years are worse than others for allergies with this being a bad year for allergies at least for me. Locally were I live the dust and pollen’s in the air seem to be worse than usual making me sneeze constantly and a nose that wont stop running. Beside allergy medication there is not much… Read More »

How Does a Furnace Gas Draft Inducer Work?

A Draft Inducer in a furnace vents toxic gasses that come from the burner. The Inducer motor insures there is constant flow of air outside through a vent so no toxic gasses enter a home. A Draft Inducer pulls toxic gasses from a furnace and pushes them out a vent pipe. An Inducer should start… Read More »