0
A return air grille is where air returns to the furnace to be filtered and heated or cooled and re circulated through the air supply grilles.
Wiki User
∙ 14y ago
Add your answer:
Earn +20 pts
How do you calculate size of return air grille using cfm?
return grille size times 2 gives u the amount of cfms u are getting out of the return air grille, i.e. 10x10x2=200cfms...
What is the cfm value of a 16x16 return air grille?
128
Should cold air return be running constantly?
You will hear air circulating in the cold air return (or return air grille) when the heater or air conditioner is running.
Why a cold air return is needed in a furnace?
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.
Is it ok to block cold air return when running airconditioner?
You do not ever want to block or restrict air flow to a return air grille.
Do you close the cold air return in the summer or winter?
No. Anytime you operate your ac or heater, air must circulate through the return air grille.
Where is the filter located on a lennox g8r-110-m-1 furnace?
Try looking where the return air duct connects to the furnace, if not there the next place to look is in the return air grille in the living space. Either way it is somewhere in the return air duct between the grille and the furnace.
Where is the filter on your goodman heat pump system?
Somewhere between the return air grille in the home and the return air duct connection on the furnace.
Can basement bedroom exist without a cold air return?
Supply and return grille locations are figured by the HVAC engineer or the contractor.
How much will a cold air return cost to have it added to your furnace?
The cost is determined by the size of the grille. $.40/square inch
How big should an air return be how many square inches per square foot of house?
Air return duct and filter grille size is dictated by the size of the unit (CFM) not the size of the house.
Goodman hot air gas furnace and you get more heat out of your vent then you do your registers in your house what could cause this problem?
Closed dampers or registers, not sure what you mean by vent. Chimney? Return air grille?
