Furnace In Attic Of Gambrell Roof

How do i ventilate a gambrel roof attic area.

Furnace in attic of gambrell roof.

Although still commonly suggested by some hvac contractors it was a much more popular option in the past. Check for roof leaks bad flashing just in case this is a bad roof issue. I am located in long island ny in zone 4a right on the border of 5a. I am currently looking to put forced air heating and air conditioning into my house.

The attic space must have a way in for the air or the fan will suck the moist house air through it to condense on the roof and rafters. Whatever the reason you have questioning the placement of a furnace in an attic is a good idea. A gambrel or barn style roof is simply a gable roof with a change in slope partway up the roof. High efficiency furnaces aren t usually recommended for an attic.

Attic furnaces are becoming more common in both residential and commercial buildings. The side roof walls top of the gambrel are too thin for good insulation and are not moisture resistant or vented. The drain must be installed through the core of the house as water will be flowing during the colder months. Today that s not as true as it s become more evident that there are some real and significant drawbacks to putting a furnace in an attic.

Instead of vented drip edge vent try smart vent at the bottom of the gambrel wall for intake and customize the location of the vent slot cut out at the top of the gambrel wall to allow exhaust. Given the tight quarters of most attics servicing an attic furnace may be more challenging but the. At first the fan will alleviate most of the danger by forcing the gas outside but once it shuts off it s a different story. Besides its unique appearance a gambrel roof also serves to maximize the usable floor space in the attic area.

A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic. The contractor that i think we are going to go with is going to install a furnace in the basement for the. To calculate a gambrel roof select gambrel roof from the roof type dropdown list or click on the appropriate toolbar button to calculate a. You might not receive the same air movement benefits if the unit is in a garage either.

We will be using gas heat. 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. A furnace in the attic is a design that works for all homes. This drain removes the excess water that a heating system will generate.

If this happens the furnace will empty gas out into the attic. We recently gutted the entire house down to the studs and we are replacing the whole heating system.