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How Does Your Air Filter Affect Furnace Efficiency?

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small_3355569230One thing that we constantly like to remind St. Louis area homeowners of is that their air filters can have serious impacts on how efficiently their furnaces run. Today we’re going to talk about two different components of furnace filter efficiency: how the efficiency of a furnace filter is rated and how an air filter can directly impact the performance and efficiency of your heating system!

How is furnace filter efficiency measured?

When we talk about the “efficiency” of an air filter, we’re referencing how effective a given filter is at trapping airborne particles from your home’s air. You can identify the efficiency of an air filter by looking at its MERV rating, which is a scale between 1 and 16 where a higher number represents a higher efficiency filter. Although a filter with a higher MERV rating will provide better protection for your home’s air than a filter with a lower MERV rating, as you’ll see below it can also have an impact on the performance of your furnace.

How can your air filter affect the efficiency of your furnace?

If you have any questions about furnace filter efficiency, or if you’d like a heating system serviced or installed in your home, contact Jerry Kelly, your St. Louis area heating and cooling contractor. We provide service all over the St. Louis area, including towns like St. Peters, Town and Country and Weldon Spring.

photo credit: Steven Vance via photopin cc

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