As it turns out because the insulation slows heat from moving down into the living space homes with well insulated attics don t see a significant reduction in their cooling load when they add attic ventilation fans.
Attic fan vs insulation.
For diy attic insulation you ve got two choices.
But my concern is going with a ridge vent vs.
Get tips on installing sufficient attic ventilation to vent the air that gets pulled up there.
Find out whether you have to worry about an attic fan blowing your insulation around.
Fans can cause increased loss of conditioned air.
A single roof mounted solar powered attic exhaust fan.
Loose fill or batt the common term for blanket insulation.
Both can be added to uninsulated attics or layered over existing material.
Solar powered attic fans offer a potential alternative to electrically powered attic.
There was no other ducting or hvac equipment in the attic.
Insulation was a 6 8 layer of blown in fiberglass on the top of the ceiling plus random pieces of r 19 fiberglass batts tossed askew atop the blown in material but not fully covering the space.
Instead of spending money on radiant barriers attic fans or levels of insulation above an r 40 investing duct sealing and shade screens would make more sense.
The energy expenditure of powered attic ventilation fans also needs considering as such fans consume more energy than they save in homes without proper insulation although they may still address moisture issues and prevent rising heat from damaging roofs.
I was looking at getting insulation blown in as well as potentially adding an attic fan gable mounted and then i saw some articles online about radiant barriers.
Once you ve decided which type is best for you examine the material options and prices to home in on the right product.
Without ventilation unfinished attic spaces can end up having stagnant air.
Attic fan if i do that with a ridge vent am i going to pulling air.
Get the basics in your attic right and you will not need to invest in radiant barriers attic fans or more insulation.
So to help with some of the i guess the insulation and i guess some of the heat up there in the attic i want to put in maybe an attic ventilator to help assist with the removal of some of that heat get more airflow up there.
We d only use one or the other.
So the ac was leaking into the attic and the insulation is awful energy bills were high to boot.
Is it more cost effective to install an attic fan or add additional insulation when the sun shines on your roof the dark shingles assuming that you have a shingled roof collect the.