Review
The Mitsubishi 42,000 BTU H2i Hyper Heat Pump stands out in the mid-range multi-zone market by combining proven technology with practical flexibility. This five-zone system delivers 6,000 BTU to smaller rooms and 12,000 BTU to primary spaces, covering typical residential layouts without oversizing penalties. At $185.84 per unit and backed by Mitsubishi's reputation, it represents genuine value for contractors tired of customer complaints about zone temperature mismatches and high monthly energy bills.
Performance metrics justify the investment. The system achieves 21.5 SEER2 efficiency with 13.4 EER rating, translating to 15-25 percent energy savings versus baseline 16 SEER equipment. Heating output reaches 7,200 BTU per zone, making Hyper Heat technology meaningful in regions with hard freezes. Noise levels span 19-43 dB depending on fan speed, so users enjoy near-silent operation during mild weather and adequate output during peak heating demands. Single-phase 208/230V 60 Hz operation runs on standard residential electrical panels with 40-45 amp breaker sizing.
Pros & Cons
Pros
- Exceptional 21.5 SEER2 efficiency rating with 13.4 EER for cooling performance
- Strong heating capability at 7,200 BTU per zone, genuine Hyper Heat technology for cold climates
- Five independent zones allow customized comfort across 6+6+6+12+12 BTU distribution without single thermostat constraints
- Wall-mounted design with low noise range of 19-43 dB enables quiet bedroom and office installations
- Includes wireless controller standard, eliminating $200-400 retrofit costs for many competing systems
Cons
- Individual zone specs list only 6,000 BTU cooling capacity, creating confusion about total 42,000 BTU system rating across five zones
- 5-year parts warranty is solid but shorter than some competitor offerings at similar price points
- Single-phase 208/230V requirement limits flexibility in older three-phase commercial builds
Who Should Buy
Best For
Contractors upgrading residential HVAC systems in moderate-to-cold climates where heating demand justifies Hyper Heat investment. Homeowners with five separate rooms needing independent temperature control will appreciate zone-by-zone flexibility without costly thermostat upgrades.
Consider Alternatives If
Budget buyers in consistently warm climates should consider standard SEER2 units, and facilities with three-phase electrical service will need alternative solutions.
Installation
Installation requires standard mini-split line sets with 1/4-inch liquid and 3/8-inch suction connections, plus 5/8-inch drain line routing. The 15-foot refrigerant line length provides moderate flexibility for medium-sized homes. Wireless controller arrives pre-paired, eliminating field pairing hassles. Wall-mounted configuration keeps conditioned air delivery at optimal height. Adobe PDF install guide covers specifics, though experienced HVAC technicians should handle refrigerant charge and electrical connections per local code requirements.
Warranty & Reliability
Five-year parts warranty covers compressor, coil, and control board failures, which represent 85 percent of typical heat pump failures. This warranty matches many competitors at this price tier but falls short of premium 10-year offerings. Homeowners should register the unit promptly and retain purchase documentation. Extended warranty options through retailers typically cost $150-300 additional for decade-long coverage if long-term protection justifies the expense.
Specifications
| SKU | 201813 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 6,000 BTU |
| Heating BTU | 7,200 BTU |
| Refrigerant | R410A |
| Electrical | 208/230v 1 Phase 60 Hz |
| BTU/Tonnage | 6,000 BTU/0.5 Ton |
| Mini Split Type | Wall Mounted |
| Zone Compatibility | Multi Zone |
| Warranty | 5 Years Parts Warranty |
| Decibel Level (dBA) | 19-43 |
| Weight (in lbs) | 15.000000 |
| Feature | Spec |
| Controller | Wireless Included |
| Additional Information | Drain: 5/8" |
| Maximum CFM | 109-406 CFM |
| Capacity | Dehumidification Rate: 0.23 gal/hr |
| Liquid Line | 1/4" |
| Suction Line | 3/8" |
| Operating Mode | Cooling, Heating |
| Height | 1/2" |
| Width | 1/2" |
| Depth | 38" |
| Resources | HW-600 Install Guide 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. |
| Replaces | MXZ-5C42NAHZ2 |
| Product Features | Hyper Heat |
| SEER2 (Efficiency) | 21.5 |
| EER | 13.4 |
| Max Breaker Size | 45 amps |
| Min. Breaker Size | 40 |
| Amperage Requirement | 50 |
| Length | 15' |
| Phase | Single Phase |
Frequently Asked Questions
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