Attic Horizontal Furnace Installation

Connect the aux iliary drain line to a separate drain line no trap is needed in this line.

Attic horizontal furnace installation.

Horizontal installation the coil and furnace must be fully supported when used in the horizontal position. When you have this unit in a space that you normally don t use then it creates more usable space in your living environment. Attic furnace access passageway and platform. Horizontal units can be installed in attics garages or basements either by placing the device on a platform or suspending it from the ceiling.

In a down flow furnace it s vice versa. One of the latest talking points in this area is the installation of a furnace in the attic. 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. This is the secondary condensation pan which is installed under the air handler to save a ceiling.

These offer two possible configurations. The flow refers to the direction of the air as it passes through the furnace or air handler. Horizontal installation is also available for some furnace and air handler models. So in an upflow vertical furnace the cold air is taken in from the bottom and the warm air is released from the top.

The drain must be installed through the core of the house as water will be flowing during the colder months. 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 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.

A furnace in the attic also costs less to install than other designs since the access point to it is usually through the roof. 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. This is a horizontal flow air handler installed in the attic.

Notice the drain pan under the air handling unit to catch condensation if the primary pan were to overflow.