Supply And Return Air Ducts

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.

Supply and return air ducts.

Can accept any. During hot weather you turn on the air conditioner and cooling coils inside the plenum image 4 then cool the air which is then distributed throughout the house. Simply measure and cut to size using tin snips to match the supply opening of the air handler furnace or evaporator coil. Ceiling jumper ducts can connect rooms to make this easier even leaving doors open plays an important role.

You can easily spot your supply vents because they are the only ones you can feel conditioned air coming from. See the sketch at above left. More product details close. Building cavity space alone should not be used as a supply or return air pathway.

Properly sizing and installing your air conditioning system are important in making sure your air conditioner operates efficiently according to the u s. 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. If your indoor air handler is the heart of the system the supply ducts are the arteries and the return ducts are the veins.

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. The supply vents which push air through the duct work must be placed properly. For the cavity to serve as a supply or return air pathway it must contain a sealed insulated duct made of approved duct materials.

Sketch at left courtesy carson dunlop associates. There are two types. A person can be forgiven for not knowing much about their home s air duct system. Supply vents and return vents.

The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room. 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. Transfer grilles door undercuts and wall grilles are all acceptable means to allow air to flow around the house. This air travels from your heating and cooling system through your ductwork and out of the supply vents.

You need a load calculation to make sure the furnace is large enough to supply the new room. What s the best location for return air ducts. Ductwork too small or duct sizes mismatched between the air handler supply plenum return air plenum blower assembly cooling coil. 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.

It plays a vital role in the home s forced air heating and cooling system performing its job quietly and without much attention. The conditioned air then re circulates back into the system as needed.