Do You Need an Air Filter in Your AC?

Do you need an air filter for your AC? Learn why having an AC filter is important for your health and how it affects your HVAC system.

Do You Need an Air Filter in Your AC?

An HVAC system can operate without a filter, but this is not recommended. Without a filter, the system will suck in debris-laden air and return the same dirty air to the indoor environment, contributing to health problems.


, operating the air conditioner without a filter is not recommended, and it is generally hazardous to the health of the air conditioner. Any amount of time an air conditioner runs without a filter could damage the system and shorten its lifespan.It's best to get a replacement filter as quickly as possible.

In theory, you can operate your air conditioner without a filter for a limited period of time. However, doing so for more than 6 to 8 hours can be detrimental to your system and reduce the quality of your home's indoor air.


, the central air conditioner has 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.

The air cleaner is an important addition to your HVAC system because it prevents dirt from accumulating in the condensate and blocking it. Otherwise, particles can cause water damage throughout the unit.Not only does an air filter trap particles and protect the air conditioner, but the filters also keep debris out of the air ducts. The broader purpose of your air filter is to clean the air in your home and keep your air conditioning system free of dust and dirt. It's logical then that if you're in a dusty area like the desert, you'll need a better quality air filter to keep all that dust out, and you'll need to change it more often.

Dirty filters specifically have less surface area to absorb debris and, therefore, do not perform as well as a clean filter.However, this filter isn't there to improve indoor air quality, so if you're looking for better indoor air quality, yes, you might need an air cleaner or an air purifier in Houston, TX. As a general rule, it's never a good idea to operate your air conditioner or HVAC system without an air filter in place. However, if you have pleated air filters, you won't need to change them for at least three months, and sometimes up to six months if they're of high quality.If you have dirty filters in your air conditioner or you don't have any filters, dirt and debris will accumulate inside as they adhere to the coils and fins, creating a thick layer of dust on the coils. We want to spend a little more time talking about the importance of having an air filter in your HVAC systems because it's extremely important to know what it does and why it's there.

If your current air filter is broken or dirty, it's essential to get a replacement air filter as soon as possible. Because dirt, dust, dander, and other particles in the air can damage an air conditioner, air filters are needed to act as a barrier to the air conditioner. Without a filter in place, these contaminants can travel freely through the ducts and can settle there, which can also negatively affect health due to worsening indoor air quality.Running the air conditioner at any time without an air cleaner is not recommended because of the permanent damage it can cause to the HVAC system. If you've noticed a sudden increase in your home's energy bills without a corresponding increase in usage, it could be the air cleaner.

One of the manifestations when the filter is clogged is improper distribution of cold air in the surrounding area.

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