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Attic Ventilation Installation Pass Christian MS

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Klearaire Technology
(228) 466-5004
105 Sycamore St Bay St Louis
Bay St Louis, MS
 
Superior Heating & AC
(228) 896-8892
1636 Popps Ferry Rd # 101 Biloxi
Biloxi, MS
 
Total Comfort Inc
(228) 467-1212
2109 Nicholson Ave
Waveland , MS
 
Eagle Mechanical Inc
(228) 896-2333
521 E Pass Rd
Gulfport , MS
 
Ball Heating & Air Cond Inc
(228) 392-5432
8332 W Oaklawn Rd
Biloxi , MS
 
Balius Environmental Air Care
(228) 392-4337
9513 7th Ave Diberville
Diberville, MS
 
Adolph Bourdin Inc
(228) 255-3859
9208 Bourdin Dr
Pass Christian , MS
 
Geiger Htg Air & Refrg Inc
(228) 832-2465
14471 Hwy 49
Gulfport , MS
 
Mike Longo Air Systems
(228) 392-5155
17339 Hwy 67
Biloxi , MS
 
Radich Htg A/C & Refg
(228) 392-3773
3232 Quave Rd
Biloxi , MS
 

Attic Ventilation Questions and Answers

Attic Ventilation Requirements

What is the proper ratio of ventilation per square foot of roof?


1.5 in per sq. ft. Just make sure that the ventilation is installed so an airway is formed to remove heat through the highest part from the lowest part. Ridge vents and soffit vents work best for this. Also, it is better to have ventilation the entire roof length rather than the 8x12 square vents occasionally in the soffit.

I can't say if it's cost efficient or not, but my attic fan cools the attic a lot. When it's in the 70s outside and the attic fan has not run at all, the attic is too hot to go in. On hot days (80+) it comes on in the early afternoon and runs until about 6:00pm. When it's running I can go into the attic without any problem and it's much cooler.

Another Answer:

The ventilation ratios go according to attic floor size not roof size. You can go as low as 1/300 of the attic floor area (for attics which have a continuous vapor barrier below) to a high of 1.5 in inches x the floor area in feet. So a 1000 sq. feet of attic floor area would require between 480 sq. inches to 1500 sq. inches. That is a huge difference in allowance. I would go with the higher number.
One other thing.. the best system uses ridge vents and soffit vents skipping gable end vents entirely. The number would be split about 50-50 between soffits and ridge.



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