That same ac system that could never cool your bedrooms now with a sealed and insulated attic is providing supply airflow temperatures on par with the same unit located under a.
Attic unit vs basement.
The biggest advantage of having an attic furnace is that it s a space saver.
You might not receive the same air movement benefits if the unit is in a garage either.
The main difference between attic and basement is that the attic is a space found directly below the pitched roof of a house or other building and basement is a below ground floor of a building.
Plus you may have structural issues.
Unfinished makes little difference.
Building codes mandate minimum ceiling height access and egress requirements that make make it difficult to add much footage in an attic.
A furnace in the attic is a design that works for all homes.
Attic hvac systems save space.
And you win big time.
Basement footage is worth very little and finished vs.
Some houses run duct work for heating and air conditioning through the attic while others have the complete unit in the attic.
Good luck getting better cooling in the upstairs in an old home using a basement hvac system than one in an attic.
Any wiring or plumbing on top of the ceiling joist will have to be rerouted as to avoid contact with flooring being installed.
Installing your hvac unit in the attic can free up space for these uses.
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.
Sure if you can find enough space and afford the large cost to have someone poorly carve up the inside of your house to get the proper sized ductwork through the house.
Depends on the home size if the home is small enough and one handler can handle both floors you can install one unit in the basement and use one duct to supply the first floor and do a chase to get another duct from the same unit into the attic and branch of to supply the upper floor and if one unit can handle both floors you can only have one zone or you can also split the two floors and.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
There s usually nothing up in an attic aside from some stored items so a furnace won t take up useful space.
Quit writing papers and go try a seat of your pants experiment.
Without all the furnace air conditioner hardware and ugly ductwork the basement can be a great spot to put a rec room a home theater or even an extra bedroom or two.
You ll also free up a closet.
So why put an hvac system up in the attic at all.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
Now your sealed and insulated attic and your hvac duct system is protected from extreme temperatures like your crawlspace or basement.
Well mainly it s a way to save space.