How To Install Attic Furnace

Attic furnace passageway and service area electrical requirement.

How to install attic furnace.

A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic. I ve been told the r value of the insulation should be sufficient but there is clearly air getting through at the seams and creating hot spots in the attic which then leads to ice dams etc. That makes cheaper to replace a broken unit while reducing the cost for repairs. An attic in which a fau is installed shall be accessible by an opening and passageway 30 x 30 in size.

If the furnace is in the attic it should be equipped with a drain pan to catch condensation during normal use. A furnace in the attic also costs less to install than other designs since the access point to it is usually through the roof. Furnaces installed in attics can be vulnerable to breakdowns since they can. Attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area.

Establish the best location for installation of forced air unit and vent. Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space. Obtain the furnace manufacturers installation instructions and install the furnace to their specifications. The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.

I have a furnace in my attic around which the builder constructed an enclosure from 2x4 and foil backed fiberglass insulation. Step 4 use a condensation drain. 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. High efficiency furnaces aren t usually recommended for an attic.

The drain must be installed through the core of the house as water will be flowing during the colder months. How to maintain an attic furnace. Attic furnace access passageway and platform. A home s furnace is commonly located in a secluded area from a closet to a basement.