Horizontal Furnace Installation In 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.

Horizontal furnace installation in attic.

Attic furnace passageway and service area electrical requirement. This drain removes the excess water that a heating system will generate. Use only with the type of gas approved for this fur nace. One of the latest talking points in this area is the installation of a furnace in the attic.

Horizontal units can be installed in attics garages or basements either by placing the device on a platform or suspending it from the ceiling. A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic. Refer to the furnace rating plate. A horizontal gas furnace installation in an attic should be on a service platform large enough to allow for proper clearances on all sides and service access to the front of the furnace see manufacturer s i o manual.

A horizontal furnace is designed with the components in a horizontal row so the unit looks like it s lying on its side. Attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area. The drain must be installed through the core of the house as water will be flowing during the colder months. The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.

Install this furnace only in a location and position as specified in location and clearances page 4 of these instructions. Cool air flows in on one side and heated air flows out the other. A furnace in the attic also costs less to install than other designs since the access point to it is usually through the roof. Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.

Followed during the installation servicing and opera tion of this furnace. These furnaces are designed as either horizontal left or horizontal right referring to the side the heated air comes from. Attic furnace access passageway and platform.