Horizontal units can be installed in attics garages or basements either by placing the device on a platform or suspending it from the ceiling.
Attic horizontal furnace installation.
The furnace may be installed in an attic or crawl space in the horizontal position by placing the furnace on the left side as viewed from the front in the vertical posi tion.
In a down flow furnace it s vice versa.
This is the secondary condensation pan which is installed under the air handler to save a ceiling.
Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow.
This drain removes the excess water that a heating system will generate.
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.
It is always recommended that an auxiliary drain pan be installed under a horizontally in stalled evaporator coil or 95 gas furnace.
Attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area.
These offer two possible configurations.
Upflow horizontal and downflow horizontal models are also available.
This is a horizontal flow air handler installed in the attic.
Horizontal installation the coil and furnace must be fully supported when used in the horizontal position.
One of the latest talking points in this area is the installation of a furnace in the attic.
The flow refers to the direction of the air as it passes through the furnace or air handler.
Attic installation horizontal flow air handler hvac airflow.
When you have this unit in a space that you normally don t use then it creates more usable space in your living environment.
So in an upflow vertical furnace the cold air is taken in from the bottom and the warm air is released from the top.
Horizontal flow systems are most often installed in attics and crawl spaces where space is limited due to a low ceiling and a standard upflow or downflow furnace just won t fit.
Connect the aux iliary drain line to a separate drain line no trap is needed in this line.
Attic furnace access passageway and platform.
Horizontal installation is also available for some furnace and air handler models.