HVAC Question--Rheem furnace- can stock mesh filter be replaced with pleated HEPA type filter?

Question

I have a Rheem Classic 90 furnace that was installed several years ago.   It came stock with a re-usable plastic fine mesh filter that I remove and clean every few months.   It seems to me that a paper HEPA type filter would do a much better job of filtering the air.   The stock plastic mesh filter seems like its too much of an open weave to be really effective with dust and other allergens (we have pets).  My question is:  Can I replace the stock plastic mesh filter with a pleated paper type filter and not severely effect the airflow or performance of the furnace?   What thickness filter would be an appropriate replacement?

Phillip · Accepted Answer

Absolutely, replace it with a pleated one, just keep it changed every month or two. Dont believe the label that says they are a three month filter, this only holds true to a dust free house. The mesh filters are not any good stop very little dust from going through. Anything you can pour salt through is not a good filter.

Anonymous · Answer

If this is an electric furnace; it only has filters on the cold air return duct. The articles referring to changing the filters on the furnace are referring to the same filter on the cold air duct.. Some high efficiency furnaces may have filters in the makeup air intake for combustion. The blower motor should be cleaned and oiled once per year. Make sure the power is off at the breaker panel whenever working the furnace.

? · Answer

yes you can ,just get the same size filter. Pleated filters are made of  denser material but the greater surface area allows for more air flow and filtration and should not  be a problem

Sonny · Answer

Yes, Yes, and one inch.  Answer your concerns?

nedree@verizon.net · Answer

it depends on how thick it is.good luck.

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HVAC Question--Rheem furnace- can stock mesh filter be replaced with pleated HEPA type filter?

5 Answers