Electronic Air Filter help


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Old 11-29-13, 06:56 AM
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Electronic Air Filter help

Hello everyone, just bought my first home recently so I'm new to the thread.

Our home HVAC system included an electronic air filter. It's a real pain to have to get up in the attic every month, remove the filters to clean, let them dry and replace. Would it be feasible to just install the normal 1 inch air filters at the ventillation sites and not worry about the electronic air filter? I have a return air duct on each floor of the 3 story townhome that looks like the attached picture. The guy who inspected my home initially took out the air filters and said I wouldn't need them since I have an Electronic Air Filter. Name:  IMG_0807.jpg
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Last edited by Dominader786; 11-29-13 at 07:13 AM.
  #2  
Old 11-29-13, 09:37 AM
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Yes, you can use the filter/grills for your filter location.

I've never seen EAC's washed monthly. I wash some 4 times per year. I wash most twice a year.

If you have 2 of the Honeywell 12.5 x 25 x 4 cells in your attic, the Honeywell 4 inch 20x25 should fit in the EAC housing. (same applies with the smaller 16x25 EAC's replaced by a 16x25 mechanical filter). You shouldn't combine mechanical filters in the attic with pleated filters at the grills since this causes too great a restriction for most systems.
 
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Old 11-30-13, 03:58 PM
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If you go with the 1 inch. You will need to clean the return duct because it has had non filtered air in it
 
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Old 11-30-13, 05:52 PM
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That's a good point Airman. The return air ducts might require cleaning periodically if filters are not used at the grills and if they were the only filters the dirt in them would build up on the evaporator coil or secondary heat exchanger if present.
 
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Old 12-01-13, 09:20 PM
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If you put media filter into the eac housing, you could get away with fiberglass filters at the return air vents. Anything denser will cause airflow issues.

I think EACs are junk anyhow.
 
 

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