How To Install Gas Furnace In Attic

This part is a 3 man.

How to install gas furnace in attic.

Before connecting the gas line it is recommended to install a drip leg in the form of a tee. Here is a basic overview of what you can find in the above tutorial video. The total drop in efficiency can be up to 35. The drain must be installed through the core of the house as water will be flowing during the colder months.

Once the gas line is connected double check for leaks by using a gas detector. Attic furnace installation must comply with you local mechanical code or imc international mechanical code if such was adopted in your area. High efficiency furnaces aren t usually recommended for an attic. That means you have higher energy costs and less efficiency since you re blowing the air down instead of allowing it to rise naturally.

This drain removes the excess water that a heating system will generate. Mount two lengths of unistruts to the rafters. The gas line is connected in the top of the tee and runs straight into the furnace. If you place the furnace in the attic then you must install the infrastructure in the building to force the warm air to the bottom floor.

Attic furnace passageway and service area electrical requirement. Attic furnace access passageway and platform. The chance of a gas leak in the attic would be slim. Put the nuts in the mounted unistruts into place so they can secure the all thread rods measure the distance between.

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. The tee features a capped nipple on the bottom which helps trap sediment. Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space. A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.

Mount unistruts to your furnace.