Return Air Duct

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 these ducts typically start with vent grates in the wall on the ceiling or in the floor.

Return air duct.

Have to get the air back to the furnace. Diameter of duct x 3 14 return air duct in square inches. If you had no return air in your room you would create a positive pressure. 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.

That would then reduce the flow of conditioned air to that space. Hvac return air is important. For the system to work you have to re circulate the air back to the furnace. The square root of 576 is 24.

Without a return air duct the air would not properly circulate and your energy costs would rise. Therefore your return air duct and grill size will be 24 by 24 inches tip. Air from your rooms must get back to the furnace or air conditioner. These ductwork tips will help balance your air conditioning and heating system.

Can accept any size collar up to 18 in. Return air ducts usually use ceiling joist spaces as the actual duct. Step 4 calculate the square root of the total. A return air duct is what carries air back to the furnace after it is dispensed throughout the home through the supply duct.

Nail a piece of sheet metal onto the back of a stud cavity. Return air ducting is necessary in almost every room. Product is knocked down for shipping and must be. Most rooms must have a return duct.

Used as a central return vent box filter grill not included.