Learn how to design a flawless concealed ducted AC system for your home, covering critical details like required ceiling drop heights, proper service port placement, and optimal supply and return vent layouts to balance aesthetics and long-term performance. Learn how to design a flawless concealed ducted AC system for your home, covering critical details like required ceiling drop heights, proper service port placement, and optimal supply and return vent layouts to balance aesthetics and long-term performance. Learn how to design a flawless concealed ducted AC system for your home, covering critical details like required ceiling drop heights, proper service port placement, and optimal supply and return vent layouts to balance aesthetics and long-term performance. Learn how to design a flawless