Bryan asked: Hi. This website is great; there is really good information. My question is regarding large filters. My furnace requires a 5-inch pleated filter, but because these are hard to find I have placed 5 1-inch pleated filters from 3M. Is this going to restrict too much airflow? Should I buy a 5-inch or [...]
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Question: If you don’t change your air filters and they are very dirty can this cause the central unit to freeze up? Will the unit be ok by changing the air filter? We had this happen 2 times before and we changed the filters. Our unit is only 2 years old. Central Air Conditioner Icing [...]
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