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.
Attic fan with furnace.
Most updated central air conditioned homes have a new air conditioner split system meaning the ac is broken up into parts.
If you don t have a crawl space or a basement then it can be a challenge to place a furnace on the ground floor of the structure.
The house was built in 1910 and there is no ventilation up there now.
A furnace in the attic is a design that works for all homes.
Presumably you are not using your furnace when you are using your attic fan but you are certainly using your hot water heater.
The fan s auto setting works with your heating cooling system so your fan is running the least amount of time needed at the slowest speed.
It will not require long lengths of pipe to deliver heat to the rooms as a basement furnace does.
An attic fan works by exchanging the hot air in your attic space for fresh air pulled through the vents.
The was an opening above the fascia board but i had it sealed to prevent ingress of bugs and animals.
You might not receive the same air movement benefits if the unit is in a garage either.
Well mainly it s a way to save space.
An attic furnace is closer to the upper stories of a multi level home.
Your hot water heater is hooked to a pipe from inside the furnace room all the way up to the roof outside.
An outdoor unit which houses the fan condenser and compressor and an indoor unit which holds the evaporator and fan.
Attic hvac systems save space.
The whole house fan pulls air in from open windows and exhausts it through the attic and roof.
Air ducts lose a fair amount of heat through leakage so shorter lengths are more efficient.
Your furnace filter will last longer.
An attic fan is what it sounds like it s a fan installed on the ceiling of your attic.
The attic fan is creating a massive down draft from the flue and if your water heater turns on and starts.
Attic furnaces take advantage of the closer proximity to use shorter lengths of air.
So why put an hvac system up in the attic at all.
This provides much needed ventilation and is a powerful addition to your hvac system.
My roof is also three layers right now but that is something to.
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It provides good attic ventilation in addition to whole house cooling.
Attic fan with furnace in attic my roofer wants to install an attic fan to keep the temps down up there.