How Do You Find A Furnace Filter Size?
Regularly replacing your furnace filter will not only improve the operation and extend the life of your furnace, but it can also improve your health and the air quality in your home by keeping dust, dirt and other particulates out of the air you breathe. In most furnaces, replacing the air filter is simply a matter of sliding the old one out and sliding the new one in. The hardest part is figuring out what size filter fits your furnace. Open the furnace cover and locate the filter. In most furnaces, the filter is located in the blower compartment, which is on the bottom half of the furnace. The filter is also usually in a vertical slot, but can also be in a horizontal slot. If it turns out the filter slot is empty, proceed to Section 3. Slide the filter out of the slot. Look on the filter for markings that indicate the size in inches. In most cases, the filter measurements can be found on one of the thin edges or sides of the filter frame, but sometimes they will be printed on the the
