Return Air Filter For Roof Top

I recommend filters at the return air vents especially if they are at floor level or the client has pets.

Return air filter for roof top.

Building cavities used to convey return air located over a crawlspace or next to an unconditioned space would be required to be tested. 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 primary function of the economizer filter is to remove large airborne contaminants and coolant mist from the air stream. Never run the unit without the return air filter in place.

This allows us to recirculate some of the return air into the fresh air and the quantity is varied using the dampers. As an inexpensive and effective alternative to sealing ducts the code specifically allows air return by connecting rooms by permanent openings. 13 75w x 25 75h 4 6 out of 5 stars 127 35 99 35. I just wouldn t use really good filters.

For example hallways can be part of the return air path. Roof top economizer hoods utilize these metal mesh pre filters as economizer screens to protect equipment. 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 will plug the unit evaporator coil with dirt and may substantially weaken the performance of the unit over time.

Just before the filter we have a damper on the return air stream. 22 5 x 12 5 4 6 out of 5 stars 68 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. Common outdoor applications include outside and make up air intake units and return air units or rtu.

Not all heat wheel rtu s will have this feature some only use 100 fresh air intake and extract. 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. They sure catch a lot of hair and debris.