We can laser cut our grilles any size that you need.
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.
Open, that`s where the cold air is.
What type of furnace do you have?electric
The cost is determined by the size of the grille. $.40/square inch
ruud furnace only blows cold air, no heat
It shouldn't unless they are both drawing air from the same source.
What type of furnace do you have?electric
Is there a flame in the furnace. Precisely where is this air coming from and how strong is it?