Attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area.
Installing a wood furnace in the attic.
When a furnace is installed vertically this type of installation should be avoided at all cost.
High efficiency furnaces aren t usually recommended for an attic.
A furnace in the attic also costs less to install than other designs since the access point to it is usually through the roof.
If the furnace is in the attic it should be equipped with a drain pan to catch condensation during normal use.
Just installing the furnace in the attic crawl way of a single story home gives protection from most flooding.
This drain removes the excess water that a heating system will generate.
The furnace should be installed on rubber pads to help reduce noise.
The unit is usually in the drain pan and when it over flows it usually gets the blower.
Even when furnaces are put on the main floor floodwaters often overrun the first floor causing severe damage to the unit.
How to install a furnace on attic supco duration.
Trane ac and coil with david larsen david s first day 5 20 15 duration.
Attic furnace access passageway and platform.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
Step 4 use a condensation drain.
If you are installing the unit in a basement it should be raised four inches from the ground.
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.
The drain must be installed through the core of the house as water will be flowing during the colder months.
One of the latest talking points in this area is the installation of a furnace in the attic.
The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.