You say you changed the two in the living areas suggesting that you have a dual zone system 2 floors.
Attic air handler filter.
This is the indoor part of your ac system where your home s air is actually cooled.
Only 20 left in stock order soon.
Typically the unit would be found in a basement an attic or sometimes in the back of a closet.
The air handler is the large metal box containing the fan and fan motor.
This air handler has a filter base under the unit the air filter might be on top below or on the side of the air handler depending on what kind of air handler you have.
All central heating and cooling systems should have an air filter but the filter can be harder to locate on some hvac units than others.
The first and possibly most important thing is to make a commitment to yourself to change your hvac filters regularly.
Air handler 20x20x2 pleated air filter merv 7 case of 12 4 8 out of 5 stars 16.
The air filter is usually located in the return air duct or blower compartment before the return air reaches the air handler.
It s generally located in your attic basement closet or crawlspace.
Attic hvac filters utilize 100 synthetic fibers and electrostatically charged pleated media which offers an extended surface area for higher dust holding capacity.
The filter is probably at the air intake not in the furnace blower unit up in the attic.
As the merv rating increases the finer the filtration becomes.
Carries replacement filters for some of the top brands including aprilaire honeywell and trane attic filters.
Special offers and product promotions.
Anthony climbs into the attic in order to help you locate your air filter and shows you how to determine your size and merv rating to make your ordering process as smooth as possible.
Having your hvac system in your attic isn t dire though you ll need to do some work to keep your air conditioner or furnace system running as efficiently as possible.
Replacement for hvac filters found in attic.
Global one air handler 16x25x2 pleated air filter merv 7 case of 12 4 0 out of 5 stars 4.
In this case your air filter is most likely located right next to your furnace or air conditioning system air handler.
Insert air filter media between the layers of your mask trap 98 or airborne particles.
This allows the filter to clean the air coming from your house before it enters the hvac unit.
If you have an hvac system and need to replace the filter in your attic air filters inc.