Close up of furnace filter

You hear a lot from HVAC professionals about how often you should change your furnace’s filter. You might wonder if it’s really that big of a deal. What would happen if you didn’t change your filter as often as they recommend? Unfortunately, there are a number of consequences of neglecting your furnace filter that can impact your comfort and your wallet. Here’s what you need to know. 

Poor Heating 

A filter that is too full of dust and other debris restricts airflow through the furnace. At first, this simple problem just limits the reach of the furnace. With less air, it can’t blow its hot air as far as it should. You will find that the parts of your home that are furthest from the furnace are colder. Cold spots you already had will get worse. Your furnace will pump out more heat, but it may not work. 

Increased Utility Costs & Repair Costs 

Reduced airflow in the furnace also makes it more challenging for the furnace to run. Your furnace will need to work harder to get your home up to temperature. This will use up more energy, increasing your utility costs. It can also speed up the wear and tear on the furnace, which means it may need more repairs and may need to be replaced earlier. 

If you want to lower your utility and repair costs, consider changing your filter regularly. Contact us today for your furnace maintenance needs.

Reduced Air Quality 

Your furnace filter collects debris, including allergens, mold spores, and dust. If your filter is too full, it will allow this debris through into the ducts, to be spread throughout your home. As a result, your air quality will drop, and you may notice that your allergies or respiratory symptoms get worse. Changing the filter will improve your air quality. 

Frozen Evaporator Coils 

Eventually, reduced airflow in the furnace will impact the functioning of different parts of the furnace. One of your biggest concerns should be your evaporator coils. These rely on airflow to move the evaporation. Otherwise, this moisture is left on the coils, where it will freeze. Over time, the ice will build up until the coils don’t work. 

technician looking at furnace

Broken Furnace 

Ultimately, if you don’t change your furnace filter, you will end up with a broken furnace that  either needs a part to be repaired, replaced, or you may need to replace the entire unit. While changing a filter may be annoying, it is necessary for you to get the most out of your furnace, keep your home comfortable, and your bills low. 

Are you having some trouble determining when you should change your furnace filter in order to avoid these problems? Maybe you don’t know which kind or size of furnace filter you need? At Guelph ClimateCare we can help you determine what you need for your furnace. Reach out to us today. 

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