If the attic fan keeps the house cool enough so that the owners leave the ac off there is almost certainly an energy benefit.
Attic fans worth it.
Of course if the attic fan isn t working correctly and is running all year long that would be a significant problem.
If you have good continuous soffit venting and a ridge vent then any type of attic fan may be totally unnecessary.
Good insulation reduces fan effectiveness.
The problem with making a definitive statement on attic fans is that every house is different.
However the utility of attic ventilation fans is actually quite a controversial topic.
If the attic fan increases the comfort level of the house it may be worth it.
Well what s been found is that if you turn the attic fan on in the summertime that it depressurizes the attic but it doesn t stop there.
Are attic fans worth it.