Cool your attic and trim energy costs with the Master Flow Roof Mount Power Attic Vent 1500 CFM with Humidistat/Thermostat. Built for attics up to 2,800 sq ft, this gable-mount fan moves hot, humid air out and helps keep the rest of your home comfortable.

Designed for durability and performance, it features a high-efficiency motor, adjustable thermostat, and a heavy-duty galvanized steel housing. The heavy-duty internal screen helps keep animals out, so you won’t wake up to a mysterious family of critters camping in your attic.

Key Features & Design

• Air flow: Moves up to 1500 CFM (cubic feet per minute) to quickly exchange hot air in larger attic spaces.
• Attic suitability: Built for attics up to 2,800 sq. ft. with a gable-mount design.
• Thermostat & humidity control: Adjustable thermostat and humidistat for energy savings and comfort.
• Durable construction: Galvanized steel housing and heavy-duty internal screen for longevity and animal deterrence.
• Energy efficiency: Uses up to 55% less electricity than typical competitor's vents (based on GAF testing at 120V).
• Durability & compliance: UL Listed for reliability.
• Roof compatibility: Excellent for roof slopes 3:12 to 12:12.
• Design benefits: Reduces heat buildup and can help lower cooling costs while extending roof and shingle life.

With its combination of high capacity, smart controls, and rugged build, this Master Flow attic vent is a practical investment for keeping your home cooler and more energy-efficient. If you’re aiming for straightforward, effective attic ventilation, this model checks the boxes without the techno-fuss.