Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.
Attic forced air furnace.
First let s review how forced air heating systems work.
Today s forced air furnaces are available in single stage two stage or multi stage models.
Additionally homes have to serve so many purposes at once they have to be comfortable space efficient and appealing and functional features like hvac units definitely aren t glamorous.
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That s because more families are discovering only miller furnaces offer such incredible efficiency and comfort plus lots of other value added features.
Forced air systems the kind that use furnaces or heat pumps and ducts are usually the cheapest kind to install.
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Forced air systems are usually the cheapest ones to install in homes today and a furnace qualifies as this type of system.
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.
Single stage models are like a bicycle with one gear.
There is a common misconception that this is not possible for high efficiency furnaces.
There are rarely instances when we will advise against an attic installation.
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In an electric furnace the air is pushed past heating elements but the principle is the same.
Since most homes have their hvac system serve multiple functions at once it can be cheaper to install the unit in the attic because the roof access can make inspections.
72 000 btu 95 afue natural liquid propane gas mobile home forced hot air down flow furnace today you ll find our high efficiency gas today you ll find our high efficiency gas furnaces in more manufactured homes than ever before.
High efficiency furnaces aren t usually recommended for an attic.
It will not require long lengths of pipe to deliver heat to the rooms as a basement furnace does.
The process starts when the furnace pulls room temperature air in the home into the system.
It s great on a flat stretch of road but takes a lot more energy to go up a steep hill.
Air ducts lose a fair amount of heat through leakage so shorter lengths are more efficient.
An attic furnace is closer to the upper stories of a multi level home.
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Think of heating stages as gears on a bicycle or a car.
Attic furnaces take advantage of the closer proximity to use shorter lengths of air.