An advanced HVAC system is installed in a multimillion-dollar home, showcasing teamwork between Mitsubishi and Homans. Key topics include heat load calculations, insulation types, and equipment sizing to prevent humidity issues. The impact of solar heat gain from large windows leads to an upgrade in glass performance. The configuration of units, ductwork, and makeup air for indoor air quality are discussed, along with the introduction of an energy recovery ventilator system for better air management.