Furnace In Attic Under Flat Room

Increase or move insulation.

Furnace in attic under flat room.

The house is on a slab thats why they stuck it in the attic. After all it s hard to get cold air from a warm pipe. For hvac duct systems located in the attic sealing and insulating the attic with spray foam insulation is the only way to protect the system from the extreme temperatures we live with here in metro atlanta. Personally i would have installed it in the garage just so servicing the unit would be easier.

A furnace is designed to be installed in a mechanical room. So when we have a choice we prefer hvac systems located under the house. You can t alter the furnace in the way you suggest without voiding the furnace warranty and risking all kinds of negative unforeseen consequences. 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 rarely instances when we will advise against an attic installation. In many homes the insulation layer in the attic is along the floor. The furnace needs adequate clearance all the way. High efficiency furnaces aren t usually recommended for an attic.

Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space. Split systems are more popular than ever which means part of the unit is outdoors and another stays inside to ensure that the hot air gets to each room. Trying to build an insulated airtight cabinet around a furnace is a terrible idea. The new furnace can be built into the attic during construction with access made convenient for the homeowner and air ducts maximized for delivering heat to the new areas efficiently.

Placing it in the attic where it is closer to the new floors means not having to tear up the basement to provide room for a second furnace. The rods need to be of sufficient length to allow for proper clearances from combustible materials. There is a common misconception that this is not possible for high efficiency furnaces. There was a small furnace room very very small i guess the new furnace didn t fit in there or maybe it just wouldn t have worked in there.

A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic. You can save a lot of space with a furnace in the attic. List of the pros of a furnace in the attic. Modern hvac systems come with multiple components.