ZEHNDER COMFOAIR 550 VENTILATION UNIT
The choice for large residential and small commercial projects or schools, the CA 550 has a maximum capacity of 325 cfm. The CA 550 has all the features of our smaller capacity units, including ECM motors for energy efficiency and ease of balancing, summer by-pass cooling, frost protection mode, and optional resistance pre-heater and ERV option. Additional options and accessories also available. The CA 550 is a Certified Passive House Component.