Can a cold air return be on an outside wall?

Can a cold air return be on an outside wall?

In older homes, that was a common thing back in the days with return near the floor on the outside wall, and supply up on the wall. As for supply, now days it done on the outside wall near the floor to act as a “curtains” on our cold winter months. Returns can be anywhere on a wall.

Where a cold air return should be installed?

Two locations where a cold air return should be installed: Open area of wall and low to the ground.

Do cold air returns need ducts?

Cold air ducts are an essential, but often neglected, part of your HVAC system. These ducts draw air into your system from the interior of your home or from outside. If airflow isn’t balanced, which is the case in a massive percentage of houses, then your home isn’t heating up evenly or efficiently.

How many cold air returns should a house have?

Generally speaking, you should only need one return air vent per room in your home. However, you may need additional air vents for larger sized rooms.

How do I know if my return air is working?

You can identify return vents by turning on the system fan and holding your hand or a piece of paper up. If the paper is pulled toward the vent or you feel a suction effect, it’s a return vent.

How many cold air returns do I need?

What is the point of a cold air return?

The Purpose of Your Cold Air Returns The return registers draw stale air into the ductwork, where it’s pulled through the filter to capture dust and debris and then delivered back to the HVAC equipment for reconditioning.

Is it bad to block cold air return?

Consequences. Restricting the airflow in the air handler or blower contributes to premature system problems, which can be serious. In the heating cycle, blocked cold air returns can cause the heat exchanger inside the blower compartment to store too much heat and eventually crack.

How many returns should a house have?