An attic in which a fau is installed shall be accessible by an opening and passageway 30 x 30 in size.
Mounting a furnace in an attic.
We often get questions from our customers about whether or not the furnace location matters and what places in the home a furnace can be installed.
For homes built more recently that fold the attic into the home s thermal envelope the problems are less pronounced and you ll be better able to take advantage of the benefits such a location can offer.
There are more installation requirements to consider with an attic in the furnace.
30 inches high 762 mm 22 inches wide 559 mm 20 feet max length 6096 mm measured along the center line between the attic access opening and the attic furnace.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
The drain must be installed through the core of the house as water will be flowing during the colder months.
Attic access may be reduced to 22 x 30 provided the largest piece of equipment can be removed through the opening.
High efficiency furnaces aren t usually recommended for an attic.
There is a direct correlation between the quality of furnace installation and the efficiency and safety of.
Your contractor cannot install this equipment on carpet directly.
This drain removes the excess water that a heating system will generate.
Attic furnace passageway minimum dimensions requirements.
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.
There are stricter regulations in place for most communities when comparing an attic in the furnace to one in a crawl space or basement.
Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.
Turn to the pros to decide if a furnace in your attic will be good or bad it should be easy to see that there are many potential drawbacks to consider when locating furnaces inside of an attic.
Just installing the furnace in the attic crawl way of a single story home gives protection from most flooding.
Even when furnaces are put on the main floor floodwaters often overrun the first floor causing severe damage to the unit.
This 20 limitation applies to the minimum 30 height only low clearance attics.