Return Air Filter For Roof Top

I just wouldn t use really good filters.

Return air filter for roof top.

Just before the filter we have a damper on the return air stream. 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. Never run the unit without the return air filter in place.

They sure catch a lot of hair and debris. Much better to catch it there than have it gunk up the return air ducts. Roof top economizer hoods utilize these metal mesh pre filters as economizer screens to protect equipment. This will plug the unit evaporator coil with dirt and may substantially weaken the performance of the unit over time.

13 75w x 25 75h 4 6 out of 5 stars 127 35 99 35. 12 x 24 steel return air filter grille for 1 filter removable face door hvac duct cover flat stamped face white outer dimensions. Not all heat wheel rtu s will have this feature some only use 100 fresh air intake and extract. 20 x 10 steel return air filter grille for 1 filter fixed hinged ceiling recommended hvac duct cover flat stamped face white outer dimensions.

Common outdoor applications include outside and make up air intake units and return air units or rtu. 22 5 x 12 5 4 6 out of 5 stars 68 35 99 35. 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. Rv a c air filter for dometic roof top air conditioner 3313107 103 3105012 003 5 35 icon 1545 brisk air dometic duo thermal rv air conditioner shroud old style.

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. This allows us to recirculate some of the return air into the fresh air and the quantity is varied using the dampers. I recommend filters at the return air vents especially if they are at floor level or the client has pets.