Panasonic FV10VEC2 Intelli-Balance Ventilator 100 is ideal for single family homes and multi-family units. It is a customizable, high performance, high efficiency Energy Recovery Ventilator (ERV) that’s designed to help you meet ASHRAE 62.2 requirements. This unique and cost effective Cold Climate ERV was engineered for total versatility and installation flexibility, in a cold climate zone. Now with Boost function, which can move the fan speed to high when activated.