Broan Broan 690 CFM Commercial Grade Heat Recovery Ventilator with Exhaust Only Defrost and Reverse Access Door

Features:Features a powerful 690 CFM blower, specifically designed for continuous use applicationRetains heat from the exhausted stale indoor air to temper incoming fresh air for an energy efficient commercial grade solutionHeat recovery core reduces utility bills by capturing energy in exhausted air to heat incoming airPerfect for small businesses, retail stores and officesCompact design provides a simple and universal installation experienceSealed bearings motor is totally enclosed and maintenance free...