Return Air Filter Grille Sizing Chart

A 4ton requires 1600 cfm 300 is 5 33 sq.

Return air filter grille sizing chart.

One thing to remember is that you must have enough supply vents vents blowing air out and return vents vent sucking warm air back in the air conditioner. 5030 corporate exchange blvd. A return air grill should be sized for an air speed of 300 500 fpm feet per minute. We are after the ability to move 980cfm so you now divide this number by 400 fpm yielding 2 45 or 2 5.

Wrong filter area sizing has been a major problem since air conditioning was invented. 1 24 of 191 results for filter grilles page 1 of 8. P 800 433 6341 f 800 223 8461 map. Hart cooley portal brand store view all brands promotions careers.

400 fpm is the median air speed for this calculation. Return filter grille specification chart. Look on the plate to see how many btu or british thermal units your furnace puts out. Proper sizing of the return air filter grille is required for the furnace to function correctly.

Step 1 open up the cabinet of your furnace to gain access to the service plate. D minus 2 3 4 d heavy guage steel construction concealed hinges equipped with filter retainers uses 1 nominal disposable filters finish. Particle diameter strainers and filters mesh size vs. Manual d requires a maximum fpm velocity through a new clean filter of 300 fpm.

Hart cooley llc. Filter grille return air in white steel. 1 5 8 c minus 2 3 4. Proselect 24 x 24 in.

You actually will never have too much return air filter area. Se grand rapids mi 49512. Air intakes and outlets ventilation systems air intakes and outlets rules of thumbs. Feet of free open air filter area or ak.

Rhf45 aluminum return air filter grille 45 degree fixed blade. Properly sizing and installing your air conditioning system are important in making sure your air conditioner operates efficiently according to the u s. Particle diameter opening size. Return air filter grille sizing chart has a variety pictures that combined to locate out the most recent pictures of return air filter grille sizing chart here and with you can get the pictures through our best return air filter grille sizing chart collection return air filter grille sizing chart pictures in here are posted and uploaded by adina porter for your return air filter grille sizing.

Return a return draws air into a return duct system with negative pressure compared to the space usually via a fixed grille but.