Heat Pumps

Mitsubishi Electric MUZ-GX12NL M-Series GX Premier 12,000 BTU/H Single-Zone Inverter Heat Pump Outdoor Unit

Mitsubishi Electric MUZ-GX12NL M-Series GX Premier 12,000 BTU/H Single-Zone Inverter Heat Pump Outdoor Unit is a outdoor unit. Key verified specifications include 12,000 BTU, 208/230V, R454B, SEER2 25.6, EER2 13.35. The Mitsubishi Electric MUZ-GX12NL is a premium single-zone outdoor heat pump unit designed for residential ductless heating and cooling applications. When matched with the MSZ-GX12NL indoor wall-mounted unit, the system delivers a rated cooling capacity of 12,000 BTU/H and a rated heating capacity of 14,400 BTU/H at 47°F . Its INVERTER-driven compressor adjusts output to match comfort demand, helping maintain consistent indoor temperature while improving energy efficiency. Built for dependable year-round comfort, the MUZ-GX12NL features a twin rotary compressor , Blue Fin / Sea Coast coating , and R454B refrigerant . The system is ENERGY STAR® certified and offers excellent efficiency ratings of 25.6 SEER2 , 13.35 EER2 , and 10.7 HSPF2 Region IV . With compact dimensions, quiet outdoor operation, and heating performance down to -5°F , the MUZ-GX12NL is a strong option for homeowners looking for a high-efficiency single-zone ductless heat pump solution. 12,000 BTU/H rated cooling capacity 14,400 BTU/H rated heating capacity at 47°F Single-zone inverter heat pump outdoor unit Designed to pair with MSZ-GX12NL wall-mounted indoor unit 25.6 SEER2 high-efficiency rating ENERGY STAR® certified R454B refrigerant Twin rotary compressor Blue Fin / Sea Coast coating Cooling operation from 14°F to 115°F Heating operation down to -5°F Quiet outdoor operation: 49 dB(A) cooling / 51 dB(A) heating

<table style="border-collapse

collapse; width: 100%;"><tbody><tr><th style="border: none; padding: 8px; text-align: left;">Item</th><th style="border: none; padding: 8px; text-align: left;">Parameter</th></tr><tr><td style="border: none; padding: 8px; text-align: left;">General</td><td style="border: none; padding: 8px; text-align: left;">Value</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">SKU</td><td style="border: none; padding: 8px; text-align: left;">MUZ-GX12NL</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Model</td><td style="border: none; padding: 8px; text-align: left;">MUZ-GX12NL</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Brand</td><td style="border: none; padding: 8px; text-align: left;">Mitsubishi</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Category</td><td style="border: none; padding: 8px; text-align: left;">Heat Pumps</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Product Type</td><td style="border: none; padding: 8px; text-align: left;">Outdoor unit</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Also Listed As</td><td style="border: none; padding: 8px; text-align: left;">MUZ-GX12NL-U1</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Series</td><td style="border: none; padding: 8px; text-align: left;">M-Series GX Premier</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">ENERGY STAR® Certified</td><td style="border: none; padding: 8px; text-align: left;">Yes</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Recommended Fuse / Breaker Size</td><td style="border: none; padding: 8px; text-align: left;">15 A</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Compressor Type</td><td style="border: none; padding: 8px; text-align: left;">Twin Rotary</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Liquid Line Size</td><td style="border: none; padding: 8px; text-align: left;">1/4 in.</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Gas Line Size</td><td style="border: none; padding: 8px; text-align: left;">3/8 in.</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Maximum Piping Length</td><td style="border: none; padding: 8px; text-align: left;">65 ft</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Maximum Number of Bends</td><td style="border: none; padding: 8px; text-align: left;">10</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Finish Color</td><td style="border: none; padding: 8px; text-align: left;">Munsell 3Y 7.8/1.1</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Base Pan Heater</td><td style="border: none; padding: 8px; text-align: left;">Optional</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Quiet outdoor operation</td><td style="border: none; padding: 8px; text-align: left;">49 dB(A) cooling / 51 dB(A) heating</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Performance</td><td style="border: none; padding: 8px; text-align: left;">Value</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Compatible Indoor Unit</td><td style="border: none; padding: 8px; text-align: left;">MSZ-GX12NL</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Rated Cooling Capacity</td><td style="border: none; padding: 8px; text-align: left;">12,000 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Maximum Cooling Capacity</td><td style="border: none; padding: 8px; text-align: left;">14,000 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Minimum Cooling Capacity</td><td style="border: none; padding: 8px; text-align: left;">1,300 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Rated Heating Capacity at 47°F</td><td style="border: none; padding: 8px; text-align: left;">14,400 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Maximum Heating Capacity at 47°F</td><td style="border: none; padding: 8px; text-align: left;">18,100 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Minimum Heating Capacity at 47°F</td><td style="border: none; padding: 8px; text-align: left;">1,500 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Rated Heating Capacity at 17°F</td><td style="border: none; padding: 8px; text-align: left;">9,000 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Maximum Heating Capacity at 17°F</td><td style="border: none; padding: 8px; text-align: left;">12,000 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Maximum Heating Capacity at 5°F</td><td style="border: none; padding: 8px; text-align: left;">10,100 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Maximum Heating Capacity at -5°F</td><td style="border: none; padding: 8px; text-align: left;">7,700 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Maximum Heating Capacity at -10°F</td><td style="border: none; padding: 8px; text-align: left;">6,780 BTU/H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Cooling Airflow</td><td style="border: none; padding: 8px; text-align: left;">1,152 CFM</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Heating Airflow</td><td style="border: none; padding: 8px; text-align: left;">1,139 CFM</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Outdoor Sound Level, Cooling</td><td style="border: none; padding: 8px; text-align: left;">49 dB(A)</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Outdoor Sound Level, Heating</td><td style="border: none; padding: 8px; text-align: left;">51 dB(A)</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Cooling Operating Range</td><td style="border: none; padding: 8px; text-align: left;">14°F to 115°F</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Heating Operating Range</td><td style="border: none; padding: 8px; text-align: left;">-5°F to 75°F</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Capacity</td><td style="border: none; padding: 8px; text-align: left;">12,000 BTU</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Energy Efficiency</td><td style="border: none; padding: 8px; text-align: left;">Value</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">SEER2</td><td style="border: none; padding: 8px; text-align: left;">25.6</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">EER2</td><td style="border: none; padding: 8px; text-align: left;">13.35</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">HSPF2 Region IV</td><td style="border: none; padding: 8px; text-align: left;">10.7</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Electrical Data</td><td style="border: none; padding: 8px; text-align: left;">Value</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Voltage / Phase / Frequency</td><td style="border: none; padding: 8px; text-align: left;">208/230V, 1 Phase, 60Hz</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Guaranteed Voltage Range</td><td style="border: none; padding: 8px; text-align: left;">187–253V</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">MCA</td><td style="border: none; padding: 8px; text-align: left;">12 A</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">MOCP</td><td style="border: none; padding: 8px; text-align: left;">15 A</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Voltage</td><td style="border: none; padding: 8px; text-align: left;">208/230V</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Dimensions / Weight</td><td style="border: none; padding: 8px; text-align: left;">Value</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Maximum Height Difference</td><td style="border: none; padding: 8px; text-align: left;">40 ft</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Unit Dimensions</td><td style="border: none; padding: 8px; text-align: left;">31-1/2 in. W x 11-1/4 in. D x 21-5/8 in. H</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Unit Weight</td><td style="border: none; padding: 8px; text-align: left;">77 lb</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Refrigerant / Piping</td><td style="border: none; padding: 8px; text-align: left;">Value</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Refrigerant</td><td style="border: none; padding: 8px; text-align: left;">R454B</td></tr><tr><td style="border: none; padding: 8px; text-align: left;">Pre-Charged Refrigerant Amount</td><td style="border: none; padding: 8px; text-align: left;">2 lb 0 oz</td></tr></tbody></table>

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