How Do HVAC Filters Affect Energy Efficiency?
Forgetting to change your air filter is probably the most common mistake homeowners make when it comes to caring for their furnaces and air conditioners. Every molecule of air that moves through your ductwork has to go through that filter. As it fills up with dirt, the filter lets progressively less air through it. Eventually you get to a point where the fan motor works twice as hard just to get past this artificial roadblock. Running an air conditioner or a heater becomes progressively more expensive as pollutants pile up in the filter. People who run their
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