Do Air Conditioners Have Filters?

Learn about how central AC units have filters & how they help keep your home clean & comfortable! George Brazil Air Conditioning & Heating provides Phoenix area with professional customer service.

Do Air Conditioners Have Filters?

Room air conditioners have a filter mounted on the grill that faces the room. Some types of filters are reusable; others need to be replaced. They are available in a variety of types and efficiencies. Clean or replace the air conditioning system filter or filters every one to two months during the cooling season. Yes, central air conditioners have a filter.

In fact, most central air conditioning units have two or more filters. These filters clean the air and ensure good air quality as the unit circulates between indoor and outdoor air. All central heating and cooling systems must have an air filter, but it may be more difficult to locate it in some HVAC units than in others. The air filter is usually close to your home thermostat, in a return duct. Or, it's most likely right next to your air conditioning system's air controller.

All air conditioners have a dust filter in the indoor unit. This traps dust from the air as it circulates, mainly to prevent it from obstructing internal functioning. Some people assume that there is only one type of filter installed in the air conditioner. The reality is that there are many sizes and types of filters. Some are reusable after cleaning, while others can only be used once.

The filters have different ratings and prices. A professional technician can tell you about the recommended filter for your air conditioner. Cheaper air filters can only trap larger particles, while more expensive filters can trap much smaller particles. The best way to filter very fine particles, such as smoke, mold spores, pollen and viruses, is with a HEPA (high-efficiency particulate air) filter, found in many vacuums and most air purifiers, but not in air conditioners. Every air conditioner requires a filter with a specific Minimum Efficiency Report Value (MERV) rating. And the best filters trap indoor contaminants, such as dust, pet dander and pollen, helping to clean the air in your home.

The indoor fan motor that moves all the air through the house cannot pass air through this thick wall of ice, so it tends to overheat and burn. This is where air filters come into play: they keep the evaporator coil of air conditioning systems clean, so that all the air in the house can easily pass through it and can therefore be easily cooled. George Brazil Air Conditioning and Heating provides the Phoenix area with professional, old-fashioned and high-quality customer service to create comfortable, healthy, safe and energy efficient places to live and work. Every time you turn on the boiler with a dirty air filter, you're basically seeing dust and dirt being expelled into the air in your home. There is generally less air pollution for people living in the country and, therefore, less to filter.

But I'm not sure if the air controller itself can have a separate filter that also needs to be changed every season, since the entire unit is only 4 years old. The air is first sucked into a component of the air conditioner called an evaporator coil, where it is cooled, and then, once the air cools, the air is blown and distributed to each individual room in the house through the vents, and then the cycle is repeated over and over again until the desired comfort level is reached. However, there are some types of air conditioning filters that could be useful in helping to keep indoor air clean. Air filters can cost between 99 cents and more than 20 dollars, with the difference in the size of the particles they can trap and prevent them from entering the air conditioning system and ducts. That's why inexpensive air filters play a huge role in the entire cooling process and in the overall health of the entire air conditioning system; so it's best to replace them frequently.

They also help keep the air you breathe a little cleaner and your home also a little cleaner.

Edgar Nikodem
Edgar Nikodem

Freelance zombie junkie. Evil beer guru. Typical tv trailblazer. Incurable travel lover. Devoted musicaholic. Certified zombie fanatic.

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