People also ask
What is supply air in a furnace?
The supply air is the outside air that the HVAC system's air handling unit (AHU) brings in and filters. The AHU then conditions the air and sends it to the area in need of cooling or heating through your ductwork and supply vents.
Does a house need a fresh air intake?
A fresh air intake allows the HVAC system to pull fresh air from outside and channel it to rooms via specialized vents. Every home is legally required to have a fresh air intake if a gas appliance, such as a furnace, is installed.
Where does a furnace pull air from?
Standard or conventional furnaces extract air from the room they're located in and exchange it with a direct ducted intake for venting.
Where is the air intake on a furnace?
To find a fresh air intake, look for a grilled vent near a gas appliance. The vent may be out in the open, but it can also be installed behind the appliance or a door. If you can't find it right away, look around and behind the furnace and check for an access panel.
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