Find a diagram of common air leaks here here s a quick primer on fixing draft prone spots.
How to install air furname in attic area.
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.
Gaps in the attic or between the lower floors and the attic will let heated or cooled air escape to the great unconditioned outdoors making any insulation you add essentially useless.
An attic furnace is closer to the upper stories of a multi level home.
The drain must be installed through the core of the house as water will be flowing during the colder months.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
The following are attic furnace installation requirements based on 2009 irc and 2009 imc the codes refer to it as appliances in attics.
Use a thin wall mounted type for a very small space in a small house.
Attic furnace access passageway and platform.
That means you have higher energy costs and less efficiency since you re blowing the air down instead of allowing it to rise naturally.
Well mainly it s a way to save space.
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 total drop in efficiency can be up to 35.
Or a more traditional square shape to install in a.
Put it in an attic full of blown insulation and you re.
It will not require long lengths of pipe to deliver heat to the rooms as a basement furnace does.
Attic furnace passageway and service area electrical requirement.
Air ducts lose a fair amount of heat through leakage so shorter lengths are more efficient.
This drain removes the excess water that a heating system will generate.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
First let s review how forced air heating systems work.
The process starts when the furnace pulls room temperature air in the home into the system.
Attic furnaces take advantage of the closer proximity to use shorter lengths of air.
Attic hvac systems save space.
So why put an hvac system up in the attic at all.
The number one prep step.
The condenser in your air conditioner works hard to get rid of heat and pressurize refrigerant for the return trip through your house.
Using natural gas the furnace transfers heat energy to the air through the heat exchanger.