This means for every 150 square feet of attic floor space there should be 1 square foot of net free area.
Best attic fan for hip roof.
Photos 1 6 show how it s done.
Two years ago we had the roof on our house replaced.
Broan 358 roof mount 120 volt powered attic ventilator review this attic fan is made from aluminum attic and can remove attic air in spaces up to 1000 sq.
Choose a durable fan.
When that was done i had the roofers remove the attic fan and just install a ridge vent which the roof never had.
But before you cut any holes plan the locations of the attic vents.
The cool attic fan is a sleek efficient roof mounted solution with a dome based design.
Some have color options for the covers so you can choose one that matches your roof covering and thus reduce the visual impact.
There are nice large overhangs at the eaves and we will be putting in lots of venting there but the question is what to do at the top.
My existing house has a hip roof with terrible ventilation and it s stupefyingly hot in the attic.
Roof mounted attic fans including solar attic fans need to endure all types of weather so it s important that they are well made and durable.
24 whole house fan 54301 attic fans.
What is the optimal ventilation for a hip roof we have a hip roof in need of replacement and there is discrepancy in the ventilation suggestions.
The code minimum for attic ventilation in the 2012 irc section r806 roof ventilation 1 is as follows.
One contractor is recommending 2 attic fans and a ridge vent one is recommending 1 attic fan and a ridge vent and one is recommending 1 attic fan and 2 box vents.
Top 7 best rated attic fan reviews.
It didn t get that hot when we had the fan.
I went up there last october when the high temp outside was 75f and measured temps in the attic no lower than 130f on the top of the insulation and over 160f at the roof line.
Of net free area for every 150 sq.
We have a hip roof so the ridge vent isn t very long.
There is an old existing power fan two passive vents and a ridge vent.
Adding attic vents is a simple matter of cutting holes and installing vents.
You will learn about the models ratings power use airflow capacity and the number of square feet that these fans are capable of supplying.
The house has a shallow hip roof and the house is 42 wide and 26 deep.
Of attic floor space.
Mark the roof venting locations from the attic where you can see the rafters and avoid placing roofing vents over them.
It is made of galvanized steel and has accompanying mesh grills for complete protection against pests.
The attic gets super hot in the summer now.