How Often Should You Change Your Furnace Filter?
Changing the furnace filter on schedule might help homeowners avoid costly problems. Clogged air filters might degrade efficiency, which means higher heating bills. A dirty furnace may even cause overheating, which could lead to a cracked heat exchanger. So, when is it appropriate to change a furnace filter? A Common Frequency Air filter companies usually suggest changing a furnace filter every 90 days. An exception would be thicker filters, which could last upwards of six months. That said, these “common frequencies” come with some caveats. Changing the filters ahead of schedule might be necessary, depending on
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