The homeowners friend is the mechanical contractor on this job.
How high to mount hvac air returns on walls.
I feel he put in the minimum return air vents.
He installed the return air vents in the wall cavity but they are only 1 inch above the floor.
If the supply ducts are in the floor then the return air should be located up high.
Continue reading 1 location for cold air returns.
Sometimes vents get blocked by rugs couches or the like.
He claims that this method pulls the heat down from the.
If you could see the air come out of the floor registers you d see it be pulled across and up through the room.
And at the floor.
Because your body is in this path way you get the benefit of either hot air or cold air being drawn across your skin providing you comfort.
Try to avoid doing this to your vents as it will reduce their efficiency.
This pulls the air across your body.
Some systems have two sets of return vents one up high for warm air and one low to the floor for.
Supply air from furnaces and air conditioners should be on outside walls.
The supply vents should be in the floor and the cold air return grilles are high on wall.
I am working on a reno addition in cz 6.
In minneapolis zone 6 my general contractor and his hvac sub insist that the proper return vent location is high on the wall near the ceiling.
The opposite would be true when running our ac but we only run the.
As the supply heat enter to room and rises the return vent would draw that warm air back down.
For instance for air conditioning to work properly air returns the large ducts that carry air back to the central unit need to be installed high up on the wall of each upper floor to capture.
This seems counterintuitive as heat rises wouldn t i want the returns low to circulate.
The heating system is an outdoor woodburning forced air with lp back up.
In an air conditioning climate the return duct goes near the ceiling to draw off the hot air and cool it down.
The return air vent openings need to be on the opposite side of the room so the conditioned air is pulled across the room.
Install cold air returns high or low when we talk about conserving energy we generally think we have to spend a lot of money to achieve this goal.
In general you want your hvac system to have about as much return capacity as supply capacity.