Attic Ventilation Installation Hot Springs National Park AR

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Environmental Solutions Of Ar
(501) 262-2100
216 Deanwood Ter Hot Springs
Hot Springs, AR
Carpenter Carl Heating & Air
(501) 767-5197
580 Pittman Rd Hot Springs National Park
Hot Springs National Park, AR
Spa Springs Cleaning Systems
(501) 623-4952
706 Higdon Ferry Rd Hot Springs
Hot Springs, AR
Grisham Air Conditioning
(501) 525-2665
209 Buena Vista Rd
Hot Springs , AR
Reliable Air LLC
(501) 922-3284
3925 N Hwy 7
Hot Springs Village , AR
C & R Heating & Air
(501) 760-2669
110 Westcliff Ter Hot Springs National Park
Hot Springs National Park, AR
Heat and Air
(501) 767-8976
3210 Albert Pike Rd Hot Springs National Park
Hot Springs National Park, AR
J H Martin and Associates
(501) 623-6698
28 Sierra Dr Hot Springs National
Hot Springs National, AR
Huchingson Htg & A/C
(501) 623-2311
303 3rd St
Hot Springs , AR
Grisham Air Cond (GACM)
(501) 332-2837
922 Dyer St
Malvern , AR

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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