Author Archives: Aaron Benetti

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 »

How To Furnace Propane Natural Gas Conversion

Converting a furnace to propane from natural gas or vice versa is a straight forward simple process but great care has to be taken because of the possible danger if done wrong. Converting natural gas to propane or propane to natural gas is the same processes by installing new orifices. It involves changing out the… 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 »