A cold air return is similar to a return air grille, which is needed for air to travel to the furnace to be filtered, heated OR cooled and then recirculated.
YES! If you do not have a cold air return on your furnace, you will have much higher heating bills as you will not be circulating the cold air from your home back to the furmace to be heated again.
The air moving away from the furnace has to be replaced.
No You can't cover the return air. Because the limit switch in the furnace will trip. If the furnace was working ok before I will check for air leaks in the return air. Good luck
Probably not. The issue is that your furnace needs several cold air returns thru the house to work efficiently and avoid damage to the furnace.
We can laser cut our grilles any size that you need.
Open, that`s where the cold air is.
What type of furnace do you have?electric
ruud furnace only blows cold air, no heat
The cost is determined by the size of the grille. $.40/square inch
The purpose of a basement cold air return in a heating and cooling system is to circulate and return cold air from the basement back to the furnace or air conditioner for re-heating or re-cooling. This helps maintain a balanced temperature throughout the home and improves the overall efficiency of the system.
It shouldn't unless they are both drawing air from the same source.
In an upflow furnace, the return air typically enters through the bottom or sides of the unit. It is drawn in from the living space through return air ducts, which then channel the air back into the furnace for heating. The heated air is then expelled from the top of the furnace into the ductwork, distributing warm air throughout the home. Proper placement of return air vents is essential for efficient airflow and heating comfort.