Supply And Return Air Ducts

Building cavity space alone should not be used as a supply or return air pathway.

Supply and return air ducts. There are two types. If the supply ducts are in the floor then the return air should be located up high. Supply air from furnaces and air conditioners should be on outside walls. Ductwork too small or duct sizes mismatched between the air handler supply plenum return air plenum blower assembly cooling coil.

The supply vents which push air through the duct work must be placed properly. It plays a vital role in the home s forced air heating and cooling system performing its job quietly and without much attention. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. You can easily spot your supply vents because they are the only ones you can feel conditioned air coming from.

The conditioned air then re circulates back into the system as needed. Simply measure and cut to size using tin snips to match the supply opening of the air handler furnace or evaporator coil. 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. A duct blaster test can be used to detect duct leakage and to confirm proper air flow at each duct supply outlet.

The return vents in your home suck the air from your rooms into your return ducts and back to your heating and cooling system. Can accept any. This air travels from your heating and cooling system through your ductwork and out of the supply vents. More product details close.

Transfer grilles door undercuts and wall grilles are all acceptable means to allow air to flow around the house. Properly sizing and installing your air conditioning system are important in making sure your air conditioner operates efficiently according to the u s. Sketch at left courtesy carson dunlop associates. Supply vents and return vents.

See the sketch at above left. Air ducts and vents are part of a building s heating ventilation and air conditioning hvac system. The duct board return air box is an r6 the duct board return air box is an r6 insulated box that installs traditionally in a ceiling. Ceiling jumper ducts can connect rooms to make this easier even leaving doors open plays an important role.

A person can be forgiven for not knowing much about their home s air duct system. What s the best location for return air ducts. Duct board return air box. The cross sectional areas of the supply ducts and return ducts at the furnace or air handler should be about the same size.

The return air ducts in an hvac system are especially liable to get taken for granted even though their part in heating and cooling your home is just as essential as supply ducts. If your indoor air handler is the heart of the system the supply ducts are the arteries and the return ducts are the veins.