Mitsubishi 36,000 BTU Commercial Ceiling Suspended Single Zone Heat Pump Unit (PCA-A36KA7 & PUZ-A36NHA7(-BS))Mitsubishi's commercial 36,000 BTU Ceiling single zone heat pump (PCA A36KA7 & PUZ A36NHA7( BS)) is part of Mitsubishi's P series. This single zone unit is perfect for larger retail stores, classrooms, restaurants and other business and commercial applications. Mitsubishi Electric created the P series systems for commercial applications. P series systems like the PCA A36KA7 & PUZ A36NHA7( BS) are built with more durable materials, meant to survive