This session provides an overview of the interactions between the building façade and HVAC systems. By distilling this subject into macro and micro level themes, we hope to broaden the understanding of what is needed to design and construct a high performing system. Integration is particularly critical when designing to the trend of highly glazed buildings required to meet increasingly stringent energy targets. While radiant HVAC strategies offer improved energy performance, they have limited peak capacities due to installation and cost restrictions. This places critical importance on measures to minimize peak envelope loads, ensuring that the more efficient radiant HVAC design strategy remains logistically viable. Using relevant project examples, we will break down building loads, explore different HVAC system strategies, and highlight the role of measurement and verification to ensure performance. Construction management and commissioning experience will inform recommendations to avoid common design and installation pitfalls.