How to Replace Components on Your Heating System Yourself

How to Replace Components on Your Heating System Yourself
  • Opening Intro -

    There is no stopping the do-it-yourself attitude as it is a foundation of how this country was founded.

    Not so long ago pioneers were on their own to not only build their own homes themselves, but they also had to cut down their own lumber and assemble their own raw materials.


Fortunately, ready to install building materials and home technologies are available at home centers everywhere. If you have the DIY mindset, here is how to replace some components on your heating system yourself.

Upgrading Filtration

If dust, pollen and pet dander are a problem in your home with a forced air heating system, swapping out the old cheap furnace filter for a better one can be very helpful in cutting down on airborne particulates the air ducts blow around. However, it is critical to replace these filters according to the recommendation on the label. These filters greatly reduce airflow when they are dirty. This can actually cause your furnace’s high-limit sensor to burn out if you leave a filter in too long.

Install a High-Tech Thermostat

There are new thermostats available to control your HVAC system that have sensors to learn your habits and adjust temperatures to save energy accordingly. Professionals, such as those at Classic Air and Heating, know that some thermostats learn how to adjust when the heat or AC should be off or on.

They can learn using sensors and monitoring your family behaviors to know when to turn up the heat in the morning in the winter as well as when to start to cool off the house before you get home from work. Plus, some can access Wi-Fi and be controlled remotely. All of the fancy controls are inside the new thermostat, and they connect to existing HVAC wires.

If you just have a forced air furnace, there are usually only two low-voltage wires. If you have a thermostat that controls a furnace, central air conditioner and the blower fan, you probably will find five wires of different colors connected inside your old thermostat. Normally, you just connect the color-coded wires to the new thermostat that also has terminals labeled with color codes. If you take off the cover of your thermostat and see any indication of high voltage power instead of thin 24-volt wires, call a professional for help with the upgrade.

Change the Oil Furnace Fuel Filter

Those who do not have oil heat often think that the "oil" fuel is a thick liquid. It is actually not much different than diesel fuel or kerosene. In fact, if a tank is running low, you can pour in a few gallons of diesel fuel or kerosene to tide you over until the heating oil delivery truck arrives. Oil heat has a filter to capture debris before it reaches the orifice that aerosolizes the heating oil to burn. The supply line has a shut-off valve to stop the fuel flow between the tank and filter. This must be closed before unscrewing the filter canister. Be sure to check your owner’s manual or look up the instructions online for your specific furnace/filter model.

It is not a good idea to attempt to replace safety systems in heating systems without professional assistance. Things such as high-limit switches or exhaust blower sensors are in place to protect against things such as fire or carbon monoxide dangers. These parts need to be replaced with OEM parts to ensure continued safe operation. The DIY attitude can save you money, but you do want to keep your home and family safe.

Image credit: Nest Thermostat, on Flickr

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AMAZONS BESTSELLERS: wifi thermostats



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Categories: Heating and Cooling

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