About This

Efficient Attic Ventilation: The GAF Master Flow ERV4 Power Roof Vent offers superior attic ventilation, quickly removing larger volumes of hot and humid air compared to static ventilation systems.
Cost Savings: By efficiently ventilating your attic, this power roof vent helps reduce heating and cooling costs, making it a smart investment for your home. Uses upto 55% less electricity than typical competitor's vent.
High Airflow Capacity: Capable of moving air at a rate of up to 1,000 cubic feet per minute, the ERV4 model ensures optimal airflow for attic spaces up to 1,600 square feet.
Enhanced Home Comfort: Improve overall home comfort by maintaining a cooler and drier attic environment, which contributes to better energy efficiency and prolongs the lifespan of your roof. Excellent for roof slopes 3:12 to 12:12
Reliable Performance: The GAF Master Flow ERV4 made of galvanized steel construction, is designed for durability and reliable performance, making it an excellent choice for effective ventilation. Heavy-duty internal screen helps prevent animal infestation. UL Listed, Miami-Dade County Product Control approved, State of Florida approved, and meets or exceeds the requirements of Texas Department of Insurance