The air filter is one of the most important components of your air conditioning system, yet many homeowners know little about them. However, with a little air filter knowledge, you can ensure you’re using your AC to your best advantage. Here are four facts to know about air filters.

A Dirty Air Filter is the #1 Cause of AC System Failure

Yep, you read that right. Forgetting to change your air filter or succumbing to laziness and putting it off can cost you big — think having to replace your entire air conditioning system. When the air filter is dirty, airflow is restricted, which places additional strain on the air handler fan motor and can cause it to burn out, or lead to system overheating and ultimately, failure. Replacing your filter is quick, easy and inexpensive and is an investment for both your AC and your home.

Air Filters Come in a Variety of Sizes and Types

Air filters aren’t one size fits all. In fact, air filters come in numerous sizes and types. While most homes will be able to use a standard air filter (which typically come in 1-, 2-, 4- and 6-inch widths), some air conditioners will need harder to find or even custom air filters. Aside from size differences, there are different types of air filters, too. Ultimately, you should use air filters that offer the highest level of efficiency without posing damage to your air conditioning system.

MERV Ratings Represent How Well an Air Filter Captures and Holds Dirt

MERV (also known as Minimum Efficiency Rating Value) is the industry standard rating system that makes it easier for homeowners to compare air filters. The ratings range from lowest efficiency (1), to highest efficiency (16) and ultimately represent how effective the air filter is at capturing dust and holding on to it.

The Highest-Rated Filter Might be Bad for Your AC

It’s logical to assume that the highest-rated air filter is your best option — but the highest-rated air filter could actually be bad for your AC, because it may restrict airflow. Not all air filters are made for every AC system, so you should choose an air filter that corresponds to the specific requirement of your air conditioning system.

Get the Most out of Your AC With Engineered Air

At Engineered Air, we want you to get the most out of your air conditioning system. This is why we want every homeowner to have a little air filter knowledge. If you’d like more information on air filters, check out Air Conditioning Filters 101 or contact us today at (855) 830-2292.


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D. Hummel

The technicians are on time and personable. They have always laid out all of my options for me and have never tried to force me into something I wasn’t sure of – for example purchasing a new system. Even my old broken-down piece of garbage was able to be serviced by them back into functioning. I was able to get an appointment quickly and they were able to work with me to get the service done in a timely fashion.

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Twice we needed a split unit air conditioner replaced, and twice these guys were really terrific. I never look for the lowest price, but I have a sense of what is a fair price, and the price they gave me was better than fair. The salesman was terrifically honest, and when I asked him if he would recommend any additional work, he said no. The installers were terrific.

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Great service!! I had 2 techs come out on different times both told me the same thing. They did not try to sell me any extra services or a new unit. They both went beyond what I expected. They also educated me on a few things Which i found to be true through my own research. Really glad I found them and their prices are very reasonable.

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