Return Air Filter For Roof Top

Much better to catch it there than have it gunk up the return air ducts.

Return air filter for roof top.

The small expense of replacing your air conditioner filters often and using the appropriate air filter grill helps reduce your energy costs and protects your larger investment in your ac unit. The primary function of the economizer filter is to remove large airborne contaminants and coolant mist from the air stream. For example hallways can be part of the return air path. 20 x 10 steel return air filter grille for 1 filter fixed hinged ceiling recommended hvac duct cover flat stamped face white outer dimensions.

Roof top economizer hoods utilize these metal mesh pre filters as economizer screens to protect equipment. 22 5 x 12 5 4 6 out of 5 stars 68 35 99 35. As an inexpensive and effective alternative to sealing ducts the code specifically allows air return by connecting rooms by permanent openings. I recommend filters at the return air vents especially if they are at floor level or the client has pets.

12 x 24 steel return air filter grille for 1 filter removable face door hvac duct cover flat stamped face white outer dimensions. Just before the filter we have a damper on the return air stream. Our return air filter grills feature a wide border for easier installation and have a hinged facade for easier opening. Not all heat wheel rtu s will have this feature some only use 100 fresh air intake and extract.

This will plug the unit evaporator coil with dirt and may substantially weaken the performance of the unit over time. Common outdoor applications include outside and make up air intake units and return air units or rtu. I just wouldn t use really good filters. This allows us to recirculate some of the return air into the fresh air and the quantity is varied using the dampers.

Periodically every 2 months for full time users every 6 months for seasonal campers remove the return air filter located behind the return air grille and wash it with soap and warm water let dry and then reinstall. 13 75w x 25 75h 4 6 out of 5 stars 127 35 99 35. Never run the unit without the return air filter in place.