About Master Flow™ GreenMachine™ Solar‑Powered Roof Vent

Master Flow™ Green Machine™ Solar Powered Roof Vent – ERVSOLAR – powered by a fully adjustable solar panel uses the sun's power to help reduce heat/moisture in the attic. It eliminates energy costs associated with operating a house-powered vent. Passes the 110 mph wind-driven rain test 1.

1 Under controlled laboratory testing

Features & Benefits

2See Master Flow® Powered Ventilation Products Limited Warranty for complete coverage and restrictions.

Earn GAF Rewards when you buy GAF Master Flow® ventilation products

Master Flow® ventilation products are eligible for GAF Rewards points. Visit gaf.com/Rewards for a complete list of qualifying products.

Product Documentation