During the summer an attic can be 40 to 50 hotter than the outside temperature which in turn heats up the house very quickly.
Lowes attic ventilation fans.
However the utility of attic ventilation fans is actually quite a controversial topic.
Three years ago i wrote an article titled don t let your attic suck power attic ventilators are a bad idea nearly a hundred thousand page views and 93 comments later it s still generating lots of heat.
The downside of attic ventilation fans.
The fan is constructed from 23 gauge galvanized steel for added strength and durability and it utilizes a unique black dome cover which provides uv protection.
A rule of thumb.
1 170 cfm ventilator 300 3 9 square feet of intake ventilation this is the minimum intake required.
Good insulation reduces fan effectiveness.
Broan s 355bk gable mount attic ventilator is a high quality ventilation system that s roof mounted and features a cover.
An attic with 1 500 square feet x 7 1 050 cfm make sure you also have adequate air intake typically through the undereave vents.
Attic ventilation works on the principle that heated air naturally rises primarily utilizing two types of vents.
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Find gable vent fans at lowe s today.
Attic fans perform this ventilation by pushing hot air out into the environment while also pulling fresh cool air into the attic.
The result is a cooler attic space with plenty of air exchange.
I don t know why so many people are so defensive about power attic ventilators but here are a few of the things they ve said to me in the comments.
With an attic fan you can cool the attic to the same temperature as it is outside greatly reducing the house from heating as quickly.
Quietcool attic fans work almost everywhere almost anytime.
1 square foot of intake for every 300 cfm of ventilator.