Intelli-Balance™ 100 is a powerful, high performance, high efficiency Energy Recovery Ventilator (ERV) that's designed to help you meet ASHRAE 62.2 requirements. This unique and cost effective ERV was engineered for total versatility and installation flexibility. Recommended for areas where temperatures can drop as low as -30 deg C (-22 deg F). Panasonic Intelli-Balance™ 100 Energy Recovery Ventilator, Balanced Air Cold Climate, 120 VAC, 60 Hz Frequency, 50 to 100 cfm Flow Rate, Brushless DC Motor, 28-1/2 in Housing Length, 23 in Housing Width, 8-7/8 in Housing Height, 22 ga Steel Housing Material, Ceiling/Wall Mounting, Galvanized, Import