The inside equipment will be in the attic which is typical for this area.
Attic furnace installation.
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.
One proposes suspending the new furnace from the rafters.
Usually this is done after removing the 1950 s original heaters in the lower walls floors.
This drain removes the excess water that a heating system will generate.
The drain must be installed through the core of the house as water will be flowing during the colder months.
Attic furnace access passageway and platform.
Attic furnaces take advantage of the closer proximity to use shorter lengths of air.
The original equipment installed when the home was built was supported on the attic floor.
That makes cheaper to replace a broken unit while reducing the cost for repairs.
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.
Obtain the furnace manufacturers installation instructions and install the furnace to their specifications.
It will not require long lengths of pipe to deliver heat to the rooms as a basement furnace does.
Air ducts lose a fair amount of heat through leakage so shorter lengths are more efficient.
An attic furnace is closer to the upper stories of a multi level home.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.
When ours was installed in the attic during 2005 the installers put in a nice ceiling door and electrical switches for lighting and furnace master on off switch.
Establish the best location for installation of forced air unit and vent.
In our area in southern california it is pretty standard to install the furnace in the attic.
Attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area.
Two of the contractors propose installing the new equipment on the floor like the original system was installed.