According to the u s department of energy the furnace s energy efficiency can drop by 35 when installed in an unconditioned space like the attic.
Moving furnace to attic.
30 40 degree diff in the winter the attic is in the teens or lower and you want your house to be warm.
The down flow bryant 373lav036070 and the a c unit are 13 years old.
The ac unit is outdoors.
In the summer your attic is 110 degrees and you want your house to be 70.
The contractor has proposed moving the new furnace up to the attic because it would be easier to set up the flex duct that way.
Living space is premium in the 1461 sf house.
A furnace in the attic is a design that works for all homes.
Some things to consider the usual place you ll find furnaces in homes across the u s.
An attic furnace is closer to the upper stories of a multi level home.
A technician will assess the particular layout of your home to determine if it is viable and advise you of the options which are best suited to your needs.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
It has a exchange box for central cooling.
I bought an one story house.
So why put an hvac system up in the attic at all.
Another factor on moving a furnace depending on your model it may well not be convertible or the right flow direction for attic installation for instance a basement or garage mounted unit will commonly be ipflow the heated air comes out the top whereas an attic mounted furnace will usually be side vent the hot air comes out.
But in southern california basements are extremely rare so most homes have floor furnaces a k a.
In addition we are planning on replacing furnace coil and outside ac unit with new carrier equipment.
Can be over 70 degree diff statistically putting a furnace and or ducting in the attic will increase a homes energy use by around 35.
Well mainly it s a way to save space.
This is about moving the furnace to attic.
The furnace is indoors near the entrance.
The idea would be to replace the floor ducts with new flex duct in the attic which would be properly sized.
Heated air flowing through those ducts will lose heat when the unconditioned attic is cold forcing the furnace to run longer.
Because the furnace is installed in the attic so are air ducts which deliver air to your rooms.
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.
You might not receive the same air movement benefits if the unit is in a garage either.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Air ducts lose a fair amount of heat through leakage so shorter lengths are more efficient.
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.