Wind Turbines & Accessories

Explore our line of dual-bearing roof turbines that use the wind's power to pull excess heat and moisture from the attic.

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Ventilation calculator

Proper attic ventilation consists of a balance between air intake (at or near your soffits) and air exhaust (at or near your roof ridge). Estimate the amount of Cobra® and Master Flow Ventilation products you need to get the job done right.