A Discussion of Passive House

by John Rockwell of Zehnder America, Inc.

• Discussion of the different types of ventilation systems and their respective qualities,
• Some energy calculations to demonstrate the value of heat recovery ventilation,
• Evaluating the components of HRVs (heat, recovery, ventilation) to make informed choices,
• Clarifying the difference between HRV and ERV (energy, recovery, ventilation), &
• Design for single family and multifamily ventilation.