The Intelli-Balance 100 ERV is reportedly suitable for use in any climate. The unit has dual brushless DC motors, customizable airflow—allowing balanced, positive, or negative pressure at variable speeds from 50 to 100 cfm—and a built-in ASHRAE 62.2 timing function that helps ensure code compliance and energy efficiency. The system can be connected to existing ductwork or used as a standalone, whole-house ventilation solution. Pricing begins at $1,500. us.panasonic.com/ventfans