18 x 22 return air grille sidewall and ceiling hvac vent duct cover diffuser white outer dimensions.
Ceiling cold air return vent.
Heat rises and cold air stays close to the floor.
White plastic filtered returns with 20 squared openings are also available.
The return vent pulls cold air from the bottom of the room and returns it to the furnace to be reheated and returned as warm air.
19 75w x 23 75 h 4 5 out of 5 stars 8 currently unavailable.
Unlike supply vents return vents do not need to be cased in metal.
When the air turns on the fan sucks air into the return air vent thus pulling the warm air from the ceiling and cooling it down which keeps the house cool.
These air return vents feature a corrugated filtered backing making them ideal for restaurants hospitals office buildings and other locations where clean air quality is important.
Smi ventilation products vbb630 cold air return 6 in x 30 in victorian style base board overall dimensions 8 in x 32 in.
You can find floor registers in a variety of materials styles and finishes so you can incorporate them as a decorative element that also blends.
They can be placed into staircase cavities stacked closets that run one on top of the other or in stud cavities in the wall.
Registers these typically slatted covers are found in the floor wall or ceiling and their defining feature is a lever that allows you to open or close the air vent to adjust airflow into the space.
In the summer having the cold air returns near the ceiling is great.