Tip & How-To about Heating & Cooling
Many furnace troubles can be attributed to a dirty air filter. A dirty filter makes the convection air blower work harder than normal increasing the electrical consumption of the furnace, it will not allow enough air to the heat exchanger causing it to over heat and it will take much longer run times to heat your home. It is easy to check your filter and very inexpensive to change it. There are two typical areas where filters are located, one is in the return air duct or Plenum next to the furnace and may have a metal cover that slides off or held on by a screw. The other typical area is inside the furnace cabinet in the blower compartment. You can purchase basic filters that catch larger particles or spend a few more dollars on a pleated filter that will not only catch smaller particulate, it will last longer because of the more surface area.
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