Although still commonly suggested by some hvac contractors it was a much more popular option in the past.
Attic furnace detail.
You might not receive the same air movement benefits if the unit is in a garage either.
Horizontal furnaces shall be permitted to be installed in an attic furred.
Upright furnaces shall be permitted to be installed in an attic furred or under floor space exceeding 5 feet 1524 mm in height provided the required listings and furnace and duct clearances are observed.
An attic in which a fau is installed shall be accessible by an opening and passageway 30 x 30 in size.
A home s furnace is commonly located in a secluded area from a closet to a basement.
A furnace in the attic is a design that works for all homes.
Today that s not as true as it s become more evident that there are some real and significant drawbacks to putting a furnace in an attic.
Attic access may be reduced to 22 x 30 provided the largest piece of equipment can be removed.
Whatever the reason you have questioning the placement of a furnace in an attic is a good idea.
Furnaces installed in attics can be vulnerable to breakdowns since they can be largely forgotten when not in.