Most Common Problems Caused By Dirty Air Filters


Air filters are an essential part of any HVAC system, and dirty or clogged filters can cause many problems for your AC, including decreased efficiency and higher utility bills. But what are the most common issues caused by dirty air filters? Here are the most common problems caused by dirty air filters.


The most common problem caused by dirty ducted heating return air filter is overheating. When the air filter gets clogged with dirt, dust, and debris it can’t do its job of keeping your HVAC system cool. This means that all that dirty air from the outside is going into your home, which will make your HVAC system work harder and you’ll be paying more for energy costs.

Increased Energy Usage

A dirty ducted heating vent filters will reduce the amount of time your HVAC unit operates. This causes an increase in energy usage and higher electric bills. A bad air filter can also cause the HVAC to constantly cycle on and off. It will turn on for five minutes, then shut off for 20 minutes, then turn back on for five minutes, and so on. This is inefficient because it wastes electricity when it’s not cooling/heating your home. Dirty air filters can cause your furnace or air conditioner to use up to 20% more electricity than a clean filter would. This means that if you have a dirty filter, you’re spending more on utilities and you’ll pay higher monthly utility bills.

Poor Indoor Air Quality

A dirty air filter not only affects the performance of your AC unit, it can also have a long-term impact on your health. Poor indoor air quality can affect and cause various health problems, including:-

-Allergies and asthma

-Coughing, wheezing and shortness of

-Continuous dry skin, itchy eyes and nosebleeds

-Irritated throat or coughing fits

Fluctuation in Temperature

One of the most common problems caused by dirty air filters is fluctuation in temperature. This is because a dirty filter will reduce airflow, and consequently make the entire HVAC system work harder to maintain desired levels. In turn, this can cause higher energy bills for you, as well as an increase in wear and tear on your AC unit.

Reduced Efficiency

Not only can dirty air filters lead to reduced efficiency in the long run, but they can also cause your AC unit to work harder than it should. This increased wear and tear on your system will shorten its lifespan and make repairs more costly. When an AC unit is used with a dirty filter, it’s like trying to force water through a sieve – the result is an overworked system that can’t do its job properly.

How to Deal With a Dirty Ducted Filter

Make sure that the air filter is clean. Check the air filter once a month, or more often if you have pets or allergies. If your furnace has an air filter, then it will need to be replaced every year. If your air conditioner has an air filter, it should be replaced every three months. If there’s visible mould on the filters and they’re wet with water, ducted aircon filter replacement advisable to avoid any health problems.

The author is one of the best air conditioner filters suppliers. AirClean ducted heating return air filter are designed to block out even tiny particles that can cause harmful bacteria within the system, causing various health issues. Visit for more details.

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