Broan Broan 690 CFM Commercial Grade Heat Recovery Ventilator with Exhaust Only Defrost and Standard 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 solutionEnergy core is able to capture up to 70 percent of the 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 fre...