Attic Furnace Install

The total drop in efficiency can be up to 35.

Attic furnace install.

It s easier for technicians to service a closet furnace although the difference isn t too significant. 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 installations save labor and cost less just like everything in life when it comes to home building money talks. Even when furnaces are put on the main floor floodwaters often overrun the first floor causing severe damage to the unit.

Many high efficiency furnaces are not recommended for attic installation and you may find that there is a drop in efficiency when the furnace is located in an unconditioned space like your attic. Additionally if the attic and roof is conventionally framed ceiling joist under the location of the fau unit shall be doubled with a minimum 2x6 joists. If the attic and roof framing is a pre. Since we enjoy mild winters in california the furnace issues often experienced with placement in an uninsulated attic are not particularly a concern.

It s a lot simpler for your installer to leave ductwork loose rather than having to cover it and wind it through floors and walls. Just installing the furnace in the attic crawl way of a single story home gives protection from most flooding. 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.

In flood prone areas instaling a furnace in the attic provides protection. As long as the attic furnace is professionally installed you can expect a more even heating distribution through your house. Furnaces located in an attic area shall comply with the diagram on the reverse side of this page. One reason that ac units go up in attics is because they re cheaper and easier to install.

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. The original equipment installed when the home was built was supported on the attic floor. 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.

One proposes suspending the new furnace from the rafters. Two of the contractors propose installing the new equipment on the floor like the original system was installed. That means you have higher energy costs and less efficiency since you re blowing the air down instead of allowing it to rise naturally.