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Attic Ventilation Installation Hudsonville MI

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East Ottawa Mechanical
(616) 258-6910
1130 Fuller Ave SE
Grand Rapids, MI
Hours
Monday 24 Hours
Tuesday 24 Hours
Wednesday 24 Hours
Thursday 24 Hours
Friday 24 Hours
Saturday 24 Hours
Sunday 24 Hours
Services
AC Unit Installation, Boiler Installation, Central AC Installation, Commercial HVAC Service, Duct Cleaning, Furnace Installation, Heat Installation, Heat Pump Installation, HVAC Cleaning, HVAC Contractors, HVAC Maintenance, Refrigeration System Installation, Residential HVAC Service, Ventilation System Service, Water Heater Installation
Service Types and Repair
AC Unit, Boiler, Central AC, Furnace, Heat Pump, Heater, Refrigeration System, Water Heater

Fact
(260) 432-3228
P.O. BOX 2287 Grand Rapids
Grand Rapids, MI
 
MBH Enterprises
(616) 975-9561
4635 44th St SE # 200 Grand Rapids
Grand Rapids, MI
 
West Michigan Htg & A/C Service
(616) 669-3961
3640 Highland Dr
Hudsonville , MI
 
De Weerd Heating & Air Conditioning
(269) 792-2234
212 W Superior St
Wayland , MI
 
Heneveld Group
(616) 772-5957
3496 76th Ave Zeeland
Zeeland, MI
 
Recycle Now Inc
(616) 396-7724
302 E 19th St Ste D Holland
Holland, MI
 
Bill Holman Inc
(616) 842-3840
16952 Timberdunes Dr Grand Haven
Grand Haven, MI
 
Allendale Htg Co Inc
(616) 895-4949
11672 60th Ave
Allendale , MI
 
Zeeland Heating & Cooling Inc
(616) 772-6166
3424 88th Ave
Zeeland, MI

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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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