Rheem AC filter size chart

Rheem AC filter size chart: Rheem air conditioner filters come in an array of nominal sizes and also in different types, based on the impurities that they can filter out.

Rheem is a well-known manufacturer of cooling and heating products in North America. The brand has been around for a long time and has a wide variety of products.

Rheem also manufactures replacement parts for their heating and cooling products, including air filters in several sizes and types of air conditioners.

About Rheem

Rheem was founded in 1925, by two brothers, Richard and Donald Rheem and has been producing a range of cooling and heating products ever since then.

Rheem is one of the most popular HVAC brands in the United States and it is the only manufacturer in the world that produces heating, cooling, water heating, pool, and spa heating and commercial refrigeration products.

Since the company has been in operation for such a long time and is so focused on the quality of their production, Rheem is the largest manufacturer of water and heating products in North America and it has become a household name for air conditioners, furnaces, and more.

Rheem AC filter size chart

Rheem also produces a range of spare parts for their larger system, which includes replacement filters for their air conditioners.

The Rheem filters are specifically designed to work with the Rheem air conditioners and they should provide the optimal airflow-to-filtration balance in these machines.

However, the Rheem filters come in an array of sizes and since most air conditioners use similar filters, these filters can also function as universal filters in other air conditioners in the same way that they will in Rheem air conditioners.

The size chart for the Rheem air conditioner filters is as follows:

Filter length Rheem air filters available
10″ 10″ x 20″
12″ 12″ x 12″
12″ x 20″
12″ x 24″
14″ 14″ x 14″
14″ x 20″
14″ x 24″
14″ x 25″
14″ x 30″
15″ 15″ x 20″
16″ 16″ x 16″
16″ x 20″
16″ x 24″
16″ x 25″
18″ 18″ x 18″
18″ x 24″
18″ x 25″
20″ 20″ x 20″
20″ x 24″
20″ x 25″
20″ x 30″
22″ 22″ x 22″
24″ 24″ x 24″

When you are consulting this size chart, it is important that you understand the difference between nominal sizing and actual size in air filters, so that you can select the correct one for your air conditioner.

These Rheem air filters also come in a range of types. Regardless of which size or type of filter you choose, it is important that you replace your filters regularly, to keep your air conditioner in good condition and to avoid blocking the airflow to your air conditioner.

What is the difference between actual and nominal sizes in air filters?

Air conditioner and filter manufacturers often make their filters a little bit smaller than the compartment that the filter is supposed to fit into, since this makes the filters easier to swap out.

This means that you should be aware that the size printed on the Rheem filter packaging is the nominal size.

The nominal size of the filter is a rounded figure that is slightly larger than the actual filter size and this makes it easier to search for a filter that will fit into your air conditioner.

You should keep this in mind when you are measuring the compartment that your air filter should go into.

The different kinds of Rheem air filters

In addition to the various sizes of Rheem filters that are available on the market, the brand also has a variety of filter types that are effective at removing many kinds of impurities from the air, including:

Type of Rheem filter Impurities that can be filtered out
FPR 4 These filters can filter out dust, dust mite debris, pollen, and pet dander
FPR 7 These filters filter out the same impurities as the FPR 4 filters as well as mould spores and bacteria
FPR 9 These filters remove the same impurities as FPR 7 filters as well as microscopic allergens and virus carriers
FPR 10 These filter work in the same way as FPR 9 filters and they remove odours

Why it is important to replace your filters

Since the Rheem filters can filter out so many impurities from the air in your space, these particles will build up on the filter itself over time.

If the filters are not replaced at least every 90 days, the build-up on the filter may block the airflow of hot air into your air conditioner and then it will not work properly, because it is not getting enough air.

Rheem AC filter size chart
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