A fan draws air from the house into the system through return air vents image 1.
Installing return air vent wall.
Installing an air vent in drywall is something you can do with a battery powered drill and a few other basic items.
Drywall wall repairs.
This allows the air to get into the return air duct.
Running a metal cold air return duct between studs requires knowledge of both hvac systems and the components involved in framing.
If the supply ducts are in the floor then the return air should be located up high.
During cold weather gas burners create heat in the heat exchanger image 2 which in turn heats the air.
If the supply ducts are high or in the ceiling then the return air ducts or grills should be low on.
Sometimes vents get blocked by rugs couches or the like.
The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.
Some systems have two sets of return vents one up high for warm air and one low to the floor for cool air.
Return air duct is connected together using s slips and drive cleats.
How to install an air vent in drywall.
To explain the components of a forced air system.
You want to run it so it covers up all the holes you cut in the panning.
Cut holes in the top of the return air duct to match the holes in the panning.
Try to avoid doing this to your vents as it will reduce their efficiency.
16 inch should be suitable for 4 ton systems whereas 5.
Part of the series.
The low vents stay closed in the summer and the high vents stay closed in the winter.
But your unit s air supply and return does a lot of behind the scenes work to keep your system working efficiently and your home comfortable.
If you re like most homeowners you probably think a lot more about the efficiency of your hvac units and not the performance of your air supply and return systems.
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.
This pulls the air across your body.
14 inch for 3 and up.
If you are installing just one or two return vents you will want to go with a 12 inch return for 2 ton units and lower.
Install the square return air duct perpendicular to the joists.
A vent is a vent is a vent right.