More and more high rise and multi-family projects now include residential ERVs but these residential units differ greatly from their commercial counterpart. This seminar lays out the basics of residential ERVs. It covers the main components of a residential ERV and their impacts/importance in a residential application. It addresses the different and typical features and capabilities available on the market from different manufacturers. It also demystifies the relationship between the different certification programs, test methods and limitations. It also briefly looks at different methods of installation.