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High Wind and Hurricane Zone Fans
Models H-G, H-GB, H-CUE and H-CUBE
Belt and Direct Drive Exhaust Fans
November
2006
The Hurricane season has brought a new level of attention to wind resistance in the
HVAC Industry. As you know, 2005 ended the worst hurricane season in history. With
this increased level of awareness, comes a greater need for high wind resistant roof
mounted equipment. To prevent water infi ltration and building damage, it is critical that
roof top equipment stay affi xed to the roof. But how do you know which product can
withstand high winds? Turn to Greenheck Models H-G, H-GB, H-CUE and H-CUBE to
ensure your exhaust fans stay affi xed to the roof.
Hurricane winds start at 75 mph. At speeds of 150 mph, wind can exert a 61 pound per
square foot pressure or over 750 pounds of force on a fan and curb. Forceful winds
were the cause of most hurricane damage, exceeding $124 billion dollars in damage in
2005.
• Greenheck is leading the Hurricane Standards development
• Models H-G, H-GB, H-CUE and H-CUBE are third-party tested
• Finite Element Analysis (FEA) done by licensed Professional Engineer
(including P.E. in Florida, Texas, Louisiana…)
• Full scale wind tunnel tested to 150 MPH
• Tested as an assembly
• No tie downs to roof are required
Severe weather calls for serious protection. We have the solution. Greenheck Models
H-G, H-GB, H-CUE and H-CUBE. Remember that these are the only tested and proven
high wind resistant fans. Don’t sacrifi ce quality and durability–specify the only fans that will
survive hurricane force winds.