So why put an hvac system up in the attic at all.
Attic furnace enclosure.
Furnaces in basements.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
Well mainly it s a way to save space.
The horizontal furnace may also be suspended from the joists using 3 8 all thread rods with pieces of angle iron underneath the furnace to form a hanging rack at both ends and the midpoint.
You might not receive the same air movement benefits if the unit is in a garage either.
High efficiency furnaces aren t usually recommended for an attic.
A furnace in the attic is a design that works for all homes.
A while back i wrote about the incompatibility of putting an atmospheric combustion furnace in a sealed attic.
Divide that number by 50 to find the maximum capacity appliance you could put in the attic and you get 64 000 btu hr.
The good news is that some installers understand this problem and seek to address.
How to build a furnace enclosure.
Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.
But you could put only one in this attic.
Attic hvac systems save space.
A furnace can be installed various places in a house in a basement an attic a garage a ground floor utility room or outside the walls.
Attic furnaces take advantage of the closer proximity to use shorter lengths of air.
It will not require long lengths of pipe to deliver heat to the rooms as a basement furnace does.
Air ducts lose a fair amount of heat through leakage so shorter lengths are more efficient.
When you place a furnace in the attic to take advantage of its.
If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure.
That would be a medium sized furnace.
If the attic has a floor area of 800 square feet and an average height of 4 feet for example the volume would be 3200 cubic feet.
An attic furnace is closer to the upper stories of a multi level home.