Install Hvac Return Duct

Attach a second air duct to the first by peeling back the insulation.

Install hvac return duct.

Cut holes in the top of the return air duct to match the holes in the panning. Have to get the air back to the furnace. The takeoff rotates to make it easier to fit the duct into place. Hvac ductwork sizing is critical for proper heating and cooling in every room.

First building codes in many areas require that the cold air return line gets external insulation and therefore you will need to leave a gap for the insulation around the duct return line. Return air duct is connected together using s slips and drive cleats. Standard door undercut plus a small jumper duct always with fully extended flexible duct to the return zone can only handle up to about 100 cfm. Remove existing ductwork where needed.

The damper control indicator will show you whether the damper is open or closed. Install the square return air duct perpendicular to the joists. If the air duct isn t long enough it is possible to add extra length. These ductwork tips will help balance your air conditioning and heating system.

Running a metal cold air return duct between studs requires knowledge of both hvac systems and the components involved in framing. A sprawling ranch might have more duct runs than. Sizing your return ducts usually depends on the size of your ducts as well as the size of your hvac system. Put the crimped end in first then put the other end of the duct in.

Ducts that are improperly sized installed with crimps or tight bends have leaks or are not balanced between supply conditioned air and return used air will cause the system to operate inefficiently. Not only does the location of your return ducts make a major difference but the size does as well. You want to run it so it covers up all the holes you cut in the panning. Return air ducting is necessary in almost every room.

Install the damper into the duct by drilling a hole into the side of the duct and then screw the damper into place. So putting in smaller systems that deliver more thermal capacity to the intended targets using best installation practices means that systemic problems are avoided. Whether return ducts are used most homes have return ducts. In most cases if you are installing ducts in each room where there is a supply you will want to go with the same size as your supply vents.

This allows the air to get into the return air duct. A few homes with open floor plans and a first floor hvac system don t require them as air is easily drawn back to the furnace or air handler.