Return Air Duct

That would then reduce the flow of conditioned air to that space.

Return air duct.

Product is knocked down for shipping and must be. Have to get the air back to the furnace. 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. Air from your rooms must get back to the furnace or air conditioner.

Nail a piece of sheet metal onto the back of a stud cavity. 4 ton unit x 144 square inches 576 squared. 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 ducting is necessary in almost every room.

If you had no return air in your room you would create a positive pressure. Can accept any size collar up to 18 in. A return air duct is what carries air back to the furnace after it is dispensed throughout the home through the supply duct. Step 4 calculate the square root of the total.

Without a return air duct the air would not properly circulate and your energy costs would rise. Can be easily cut to size. These ductwork tips will help balance your air conditioning and heating system. That is why you need a cold air return image 1.

Most rooms must have a return duct. Diameter of duct x 3 14 return air duct in square inches. For the system to work you have to re circulate the air back to the furnace. The square root of 576 is 24.

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