If you're considering an ultra-efficient house build, then watch on because Matt Risinger is going to take us through a house that uses the Perfect Wall concept. He'll lay out the strategies he used and teach us how they can work when building passive homes or any other ultra-efficient build method. The four main tips for getting a great ultra-efficient home hire a team that can get the best builds and concepts, HVAC efficiency, and watch the video to learn about the rest. In this case, Risinger utilizes the HVAC plus D system, the stand alone ERV and cooling system.