Mitsubishi PVA-AA42NL & PUZ-AK42NLHZ 42,000 BTU 18.7 SEER2 Multi-Position Air Handler Hyper Heat System - R454BMitsubishi PVA AA42NL & PUZ AK42NLHZ: 42,000 BTU Hyper Heat Multi Position Ducted Heat Pump System The Mitsubishi PVA AA42NL air handler paired with the PUZ AK42NLHZ outdoor unit delivers 42,000 BTU of high capacity, ENERGY STAR certified heating and cooling for large single zone spaces up to 1,750 sq ft. This advanced ducted system uses H2i Hyper Heat technology to provide 100% heating at 5 F and reliable performance down to 13 F, making it ideal for