Attic Horizontal Furnace Installation

This drain removes the excess water that a heating system will generate.

Attic horizontal furnace installation.

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. Horizontal units can be installed in attics garages or basements either by placing the device on a platform or suspending it from the ceiling. The flow refers to the direction of the air as it passes through the furnace or air handler. Attic furnace access passageway and platform.

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. So in an upflow vertical furnace the cold air is taken in from the bottom and the warm air is released from the top. This is the secondary condensation pan which is installed under the air handler to save a ceiling. In a down flow furnace it s vice versa.

It is always recommended that an auxiliary drain pan be installed under a horizontally in stalled evaporator coil or 95 gas furnace. This is a horizontal flow air handler installed in the attic. When you have this unit in a space that you normally don t use then it creates more usable space in your living environment. The following are a ttic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.

Attic installation horizontal flow air handler hvac airflow. Horizontal installation is also available for some furnace and air handler models. One of the latest talking points in this area is the installation of a furnace in the 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.

Upflow horizontal and downflow horizontal models are also available. Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow. The drain must be installed through the core of the house as water will be flowing during the colder months. These offer two possible configurations.

Horizontal installation the coil and furnace must be fully supported when used in the horizontal position.