Many high efficiency furnaces are not recommended for attic installation and you may find that there is a drop in efficiency when the furnace is located in an unconditioned space like your attic.
Attic furnace install.
The trick to the installation of a gas furnace in an attic space is routing the condensate drain from the attic down through the core of the house to the basement.
Additionally if the attic and roof is conventionally framed ceiling joist under the location of the fau unit shall be doubled with a minimum 2x6 joists.
Even when furnaces are put on the main floor floodwaters often overrun the first floor causing severe damage to the unit.
Two of the contractors propose installing the new equipment on the floor like the original system was installed.
Since we enjoy mild winters in california the furnace issues often experienced with placement in an uninsulated attic are not particularly a concern.
The original equipment installed when the home was built was supported on the attic floor.
One proposes suspending the new furnace from the rafters.
Attic installations save labor and cost less just like everything in life when it comes to home building money talks.
It s easier for technicians to service a closet furnace although the difference isn t too significant.
It s a lot simpler for your installer to leave ductwork loose rather than having to cover it and wind it through floors and walls.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
This drain removes the excess water that a heating system will generate.
As long as the attic furnace is professionally installed you can expect a more even heating distribution through your house.
Attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area.
Attic furnace access passageway and platform.
In flood prone areas instaling a furnace in the attic provides protection.
Just installing the furnace in the attic crawl way of a single story home gives protection from most flooding.
Furnaces located in an attic area shall comply with the diagram on the reverse side of this page.
The following are a ttic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.
The total drop in efficiency can be up to 35.
That means you have higher energy costs and less efficiency since you re blowing the air down instead of allowing it to rise naturally.
If the attic and roof framing is a pre.
One reason that ac units go up in attics is because they re cheaper and easier to install.