While it does help to reduce the heat in your attic putting these fans in your attic costs more because of the loss of conditioned air.
How to take advantage of the heat in your attic.
This way the dryer does not have to do as much heating of the air.
Especially since most people don t make use of their attic space it makes sense to move the hvac system to the attic to free up basement space.
You d be better off insulating and air sealing your ceiling.
The air you lose from the attic is then drawn into your home from the outside which will cause your cooling bill to go up.
But by adding powered attic fans you will draw more air into the attic.
One idea is to figure out a way to draw intake air for the clothes dryer from the attic area when attic temps are high.
A radiant barrier in the attic helps prevent the electromagnetic transfer of heat such as from the photons in sunlight.
A well insulated and air sealed attic in phoenix will only comprise 10 15 of the sensible cooling load.
Keep that super heated air from seeping into your living space.
Seal spaces around plumbing recessed lights and vents.
4 ways to reduce attic heat in your home.
If you want the heat out of your attic a reflective roof or radiant barrier are better ways to get there.
Install radiant barriers in your attic to improve heating and cooling efficiency.
Installing your hvac unit in the attic can free up space for these uses.
Don t let a contractor talk you into it.
In my experience heating ducts that run through attics cause serious problems in snow country.
An attic radiant barrier is made of a highly reflective material mounted on one or both sides of a substrate.
Your attic can get as hot as 150 degrees in the summer.
If you want to put a powered attic ventilator in your house fine.
In other words when you get the basics right your attic insulation and air barrier you then need to focus on other energy conservation strategies like duct sealing and shade screens.
This seems like a potentially good idea to me if one can figure out a workable ducting arrangement.
You won t ever pay an energy bill for that unlike you do with your pav.
Properly sealing these leaks can save as much as 10 every month on your power bill.