We Carry Master Flow Attic Fans, Exhaust Systems and Vents at RBS
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Master Flow® Attic Fans, Roof Vents and More

For attic ventilation, Master Flow attic fans, roof ventilators, and exhaust systems are smart investments.  Riverhead Building Supply is an authorized retailer of many Master Flow products, including:

  • Green Machine Dual-Powered Vent (Exhaust)
  • Master Flow Roof Ventilators
  • Roof Louvers (Exhaust)
  • Master Flow Attic Fans
  • Master Flow Green MachineTM Solar-Powered Roof Exhaust Vent System
  • Soffit/Undereave Vents (Intake)
  • Gable Louver (Intake or Exhaust)

...and much more

Protect Your Attic With Master Flow Roof Ventilators and Exhaust Systems

Safeguard your insulation and shingles, while ensuring proper air flow, with Master Flow roof ventilators and  other attic ventilation products.  Roof or gable mounted Master Flow power ventilators save you more in cooling and heating costs than any other kind of ventilation.  They remove the greatest volume of humid and/or hot air from your attic and feature a heavy duty screen, adjustable humidistat/thermostat, and an extra-long conduit for easy electrical hook-up.

To inquire about using Master Flow attic fans, ventilators, and exhaust systems for your next project, contact us or call us today at 1-800-378-3650 (New York), 1-800-874-9500 (Rhode Island).  Find out how easy it is to Build Smarter. Build Better.

Master Flow Official Site