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The primary house ventilation unit for average-sized homes, the CA 350 has a maximum capacity of 215 cfm. Certified by the Passive House Institute at 84% efficiency, the CA 350 features ECM motors for energy efficiency and ease of balancing, summer bypass cooling, frost protection mode, and optional resistance pre-heater and ERV option. Additional options and accessories also available. The CA 350 is a Certified Passive House Component (HRV only).

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