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.
Attic fan gas furnace.
The chance of a gas leak in the attic would be slim.
A furnace can suffer from a drop in energy efficiency if it s in an unconditioned space such as an attic.
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.
Modern gas furnaces are electronic ignition and when the flame isn t burning there is no pilot light gas being used etc.
When the attic fan was turned off the gas burner returned to normal operation.
Within three minutes the carbon monoxide level throughout the home was 300 ppm.
A furnace in the attic is a design that works for all homes.
It provides good attic ventilation in addition to whole house cooling.
If it is the dead of summer and you have ductwork in your attic temperatures can reach as high as 140 degrees.
Most of the issues that furnace might experience in an attic are due to extremely cold weather in this poorly insulated space.
If this happens the furnace will empty gas out into the attic.
The combustion chamber will also be vented to the exterior so not much chance of a carbon monoxide problem either.
Even gas furnaces work there when you have the proper venting and alarm systems available to ensure any leaks are detected quickly.
That s because more families are discovering only miller furnaces offer such incredible efficiency and comfort plus lots of other value added features.
Whole house fans should provide houses with 3 to 6 air changes per hour varies with climate floor plan etc check with a professional to determine what is appropriate for your.
High efficiency furnaces aren t usually recommended for an attic.
There are a couple of reasons why you may not want to run your fan.
Air ducts lose a fair amount of heat through leakage so shorter lengths are more efficient.
When you can use natural gas over electricity there is an opportunity to boost the efficiency rate of your furnace as well.
This drain removes the excess water that a heating system will generate.
The drain must be installed through the core of the house as water will be flowing during the colder months.
Attic furnaces take advantage of the closer proximity to use shorter lengths of air.
An attic furnace is closer to the upper stories of a multi level home.
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Even if your ductwork is insulated it only does so much good against those kinds of temperatures.
The unit creates a.
This also caused the furnace burner to operate improperly and produce large amounts of carbon monoxide which dumped into the living quarters.