Efficient Energy Recovery Ventilator

Energy recovery ventilators (ERVs) exchange stale indoor air with filtered air while recovering energy from outgoing air and managing indoor air pressure. Panasonic says its Intelli-Balance Elite ERVs, designed for temperate climates, can operate in temperatures as low as 14°F, at which point they enter a stand-by mode. Designed for cold climates, Elite Plus+ units can function down to -22°F, according to the company, before going into one of two frost-protection modes (recirculation or exhaust only). Models in both lines have a speed selector for managing airflow and indoor air pressure. And, according to the manufacturer, units have a membrane core that can reduce inbound moisture loads by up to 40% in humid climates.na.panasonic.com/us