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This Mitsubishi 12,000 BTU HM-Series Single Zone Mini Split System combines the MSZ-HM12NA air handler and MUZ-HM12NA condenser for reliable, energy-efficient performance. Designed for medium-sized rooms, it offers quiet operation and inverter-driven comfort. Ideal for bedrooms, offices, or living spaces.
Enjoy consistent year-round comfort with this Mitsubishi HM-Series single-zone mini split system.
Check out other R410a HM Series Sizes below!
| 12,000 BTU Mitsubishi HM-Series 20 SEER2 Single Zone Wall Mounted Mini Split Heat Pump System - R410A | |
|---|---|
| SKU | MUZ-HM12NA / MSZ-HM12NA |
| AHRI Certificate Number | 202680601 |
| Manufacturer | Mitsubishi |
| Cooling BTU | 12,000 |
| Heating BTU | 12,200 |
| Refrigerant | R410A |
| SEER2 | 20 |
| Liquid Valve Size | 1/4 |
| Suction Valve Size | 3/8 |
| Electrical | 208/230V, 1 phase, 60Hz |
| BTU/Tonnage | 12,000 BTU/1 Ton |
| Mini Split Type | Wall Mounted |
| Min/Max Outdoor Temp for Heating | -4°F - 75°F |
| Min/Max Outdoor Temp for Cooling | 14°F - 115°F |
| Zone Compatibility | Single Zone |
| Zone/Room 1 Size | 12k for 400-600 sq ft |
| Warranty | 10 Years with Online Registration |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| 12,000 BTU Mitsubishi HM-Series Single Zone Mini Split Heat Pump Condenser - R410A | |
| SKU | MUZ-HM12NA |
| Refrigerant Charge | Pre-Charged For: 25' |
| Weight | 73.000000 |
| AHRI Certificate Number | 202680601 |
| Manufacturer | Mitsubishi |
| HSPF2 | 10 |
| Cooling BTU | 12,000 |
| Heating BTU | 12,200 |
| Decibel Level (dBA) | 49-51 |
| Energy Star | No |
| Refrigerant | R410A |
| Capacity | Dehumidification Rate: 0.19 gal/hr |
| SEER2 | 20 |
| Compressor Type | Twin Rotary |
| Liquid Line | 1/4" |
| Suction Line | 3/8" |
| Liquid Valve Size | 1/4 |
| Suction Valve Size | 3/8 |
| Electrical | 208/230V, 1 phase, 60Hz |
| Electric Phase Filter | Single Phase |
| Max Breaker Size | 15 |
| Min. Breaker Size | -U1/2: 9 -U8: 12 |
| Tonnage | 1.0 Ton |
| BTU/Tonnage | 12,000 BTU/1 Ton |
| Min/Max Outdoor Temp for Heating | -4°F – 75°F |
| Min/Max Outdoor Temp for Cooling | 14°F – 115°F |
| Zone Compatibility | Single Zone |
| Operating Mode | Cooling, Heating |
| Height | 21.56 |
| Width | 31.33 |
| Depth | 11.2 |
| Warranty | 10 Years with Online Registration |
| Resources | You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| 12,000 BTU Mitsubishi HM-Series Single Zone Wall Mounted Air Handler - R410A | |
| SKU | MSZ-HM12NA |
| Weight | 22.000000 |
| Manufacturer | Mitsubishi |
| HSPF2 | 10 |
| Cooling BTU | 12,000 BTU |
| Heating BTU | 14,500 BTU |
| Maximum CFM | 170-406 CFM |
| Decibel Level (dBA) | 22-45 |
| Refrigerant | R410A |
| Capacity | Dehumidification Rate: 0.38 gal/hr |
| Liquid Line | 1/4" |
| Suction Line | 3/8" |
| Electrical | 208/230v 1 Phase 60 Hz |
| Electric Phase Filter | Single Phase |
| BTU/Tonnage | 12,000 BTU/1 Ton |
| Mini Split Type | Wall Mounted |
| Zone Compatibility | Single Zone |
| Operating Mode | Cooling, Heating |
| Height | 11.63 |
| Width | 31.44 |
| Depth | 9.13 |
| Warranty | 10 Years with Online Registration |
| Resources | You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| Installation Kit for Condensers - Accessory Set | |
| SKU | MSK001 |
| Weight | 15.000000 |
| Manufacturer | Online Supply |
| Resources | You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| E Lite Equipment Pad 18" x 38" x 3" | |
| SKU | EL1838-3 |
| Weight | 16.000000 |
| Manufacturer | Online Supply |
| Height | 3" |
| Width | 18" |
| Depth | 38" |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| Condenser Risers - 4" x 18" - 2 Pack | |
| SKU | 87762 |
| Weight | 5.000000 |
| Manufacturer | Online Supply |
| E Lite Equipment Pad and Risers Kit 18" x 38" x 3" | |
| SKU | 87762 / EL1838-3 |
| Weight | 25.000000 |
| Manufacturer | Online Supply |
| Height | 3" |
| Width | 18" |
| Depth | 38" |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| Refrigerant Line Set with 1/4" and 3/8" Line Ends - 15 feet | |
| SKU | 201813 |
| Weight | 15.000000 |
| Manufacturer | Online Supply |
| Length | 15' |
| Height | 1/2" |
| Width | 1/2" |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| Refrigerant Line Set with 1/4" and 3/8" Line Ends - 35 feet | |
| SKU | 366395 |
| Weight | 35.000000 |
| Manufacturer | Online Supply |
| Length | 35' |
| Height | 1/2" |
| Width | 1/2" |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| Refrigerant Line Set with 1/4" and 3/8" Line Ends - 50 feet | |
| SKU | 366396 |
| Weight | 45.000000 |
| Manufacturer | Online Supply |
| Length | 50' |
| Height | 1/2" |
| Width | 1/2" |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| Refrigerant Line Set with 1/4" and 3/8" Line Ends - 25 feet | |
| SKU | 366390 |
| Weight | 25.000000 |
| Manufacturer | Online Supply |
| Length | 25' |
| Height | 1/2" |
| Width | 1/2" |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| Refrigerant Line Set with 1/4" and 3/8" Line Ends - 30 feet | |
| SKU | 216740 |
| Weight | 30.000000 |
| Manufacturer | Online Supply |
| Length | 30' |
| Height | 1/2" |
| Width | 1/2" |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| Wall Mount Bracket for Mini Split Systems | |
| SKU | HW-600 |
| Weight | 9.200000 |
| Manufacturer | Online Supply |
| Length | 17" |
| Height | 20" |
| Width | 6" |
| Resources | You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
|
| Mitsubishi MHK2 Wireless Remote Controller | |
| SKU | MHK2 |
| Weight | 2.000000 |
| Manufacturer | Mitsubishi |
| Length | Cable:39-23/64" |
| Height | Thermostat: 4-5/64” | Receiver: 3-3/32” |
| Width | Thermostat: 4-5/64” | Receiver: 1-3/4” |
| Depth | Thermostat: 1-1/16" | Receiver: 39/64” |
| Warranty | 5 Years Parts Warranty |
| Resources | You will need Adobe® Acrobat® Reader to view PDF documents. |
| Safety Information | PROPOSITION 65 WARNING
This product and many products on our site may contain a chemical know to the state of California to cause cancer or birth defects or other reproductive harm. For more information about Proposition 65 please Click Here.
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Mitsubishi mini split air conditioners and heat pumps provide exceptional comfort, energy efficiency, and ultra-quiet performance in any climate. Engineered for reliability and precision, these systems offer year-round heating and cooling while reducing energy costs and enhancing indoor air quality.


















