Central Ac Return Air Duct

Ductwork design mistake 5.

Central ac return air duct.

These ducts typically start with vent grates in the wall on the ceiling or in the floor. Item 1790033 model 1790033. 4 tons x 144 square inches return air duct in square inches. Continue reading below our video of the day.

How much is the under sized return air duct reducing the efficiency of my new 95 furnace. Not providing enough returns is a common ductwork design flaw that leads to comfort complaints. A return vent sucks in air and delivers it to the heating air conditioning system to be treated. Calculate the return duct size based on the air conditioner s size and the type of duct you are using.

6 tips for good ductwork design. The air return duct is 12 x 19 228 sqin about 2 3 the area of the factory recommended air filter 14 x 25 350 sqin. Is our heat pump return register too small. What s worse that central return pulls the carbon monoxide into the air handler and distributes it to the bedrooms.

An air return duct is basically a concealed air passageway in a home or other building that acts as a channel for pumping air out of an enclosed room and into the air conditioning or central heating system. Supply air from furnaces and air conditioners should be on outside walls. If you live in a house that doesn t have dedicated return vents in the bedrooms and there s also no hint of jumper ducts or transfer grilles you have another option. The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.

It s called a jumper duct because it allows return air to jump from your room to the hall. The treated air is then forced out of the air vents into the rooms of the house starting the cycle over again. Lack of returns to maintain balanced air pressure and air movement your duct system needs return vents for air in the room to be pulled back into the hvac system. What about noisy heat pump operation.

What s the best location for return air ducts. Size of air conditioner example. Lambro rigiflex 4 in x 96 in aluminum semi rigid flexible duct. Typically we cut into your ceiling near the door install a duct above the room run it through your attic and install the other end in the hallway near the central return.

If the supply ducts are in the floor then the return air should be located up high. Not only do return air vents maintain your home s air pressure and filter out debris they can also serve to save you on energy costs and expenses which is important here in hot and humid gainesville fla.