Review
The Mitsubishi 36,000 BTU quad-zone H2i Hyper Heat system positions itself as a premium residential solution for homes requiring multi-room climate control with strong heating capability. This wall-mounted unit combines Mitsubishi's proven reliability with zone-specific temperature management, addressing the growing demand from contractors seeking efficient alternatives to traditional furnace-plus-AC setups. The system's quad-zone configuration allows independent operation across four separate spaces, a practical advantage for larger homes or multi-story layouts.
Performance metrics demonstrate genuine engineering focus. The 23 SEER2 cooling efficiency places this unit ahead of most residential competitors, while the 11 HSPF heating rating reflects serious cold-climate optimization. Real cooling output reaches 36,000 BTU with 109-399 CFM airflow flexibility, while heating delivers 33,000 BTU. The 49 dB noise floor maintains comfortable operation during occupied hours. Single-phase 230V power requirement and 50-amp circuit demand are standard considerations for professional installation.
Pros & Cons
Pros
- 11 HSPF heating efficiency rating significantly outperforms standard heat pumps in cold weather operation
- 23 SEER2 cooling rating delivers top-tier summer performance with lower operating costs
- Hyper Heat technology maintains effectiveness at temperatures well below freezing
- Quad-zone configuration allows independent temperature control across four separate spaces
- Wireless controller included, eliminating additional purchase requirements
- 49 dB noise level keeps operation quiet for residential comfort
Cons
- Price listed as $0 makes real-world cost assessment impossible for potential buyers
- Single 5-year parts warranty is standard but shorter than some premium competitors offering 10-year coverage
- Requires 40-45 amp dedicated breaker with 230V single-phase power, limiting installation locations
Who Should Buy
Best For
Contractors and homeowners in HVAC zones 5-7 needing efficient heating will appreciate the 11 HSPF rating and Hyper Heat performance. This quad-zone system works best for homes with four separate living areas that require independent temperature management throughout the year.
Consider Alternatives If
Buyers in mild climates where heating demand is minimal should consider standard SEER2-focused units instead, as the Hyper Heat investment won't provide meaningful ROI without significant winter usage.
Installation
Installation requires 230V single-phase 60Hz service with a dedicated 40-45 amp breaker sized for 50-amp amperage requirement. Lineset connections use 3/8 inch liquid line and 5/8 inch suction line with matching 5/8 inch drain requirements. Wall-mounted positioning allows flexible room placement. Wireless controller operates independently, simplifying thermostat wiring. Professional refrigerant handling and electrical work are mandatory.
Warranty & Reliability
The 5-year parts warranty covers manufacturing defects and component failures during normal residential use. This coverage aligns with industry baseline but falls short of extended programs some manufacturers offer. Warranty requires proper installation by licensed technicians and regular maintenance compliance. Coverage does not include labor, refrigerant top-up, or damage from misuse.
Specifications
| SKU | MSK001 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 36,000 |
| Heating BTU | 33,000 |
| Refrigerant | R410A |
| Electrical | 230 V. 1 Phase 60 Hz |
| BTU/Tonnage | 36,000 BTU/3 Ton |
| Mini Split Type | Wall Mounted |
| Zone Compatibility | Multi Zone |
| Warranty | 5 Years Parts Warranty |
| Decibel Level (dBA) | 49 |
| Weight (in lbs) | 15.000000 |
| Feature | Spec |
| Controller | Wireless Included |
| Additional Information | Drain: 5/8" |
| Maximum CFM | 109-399 CFM |
| Capacity | Dehumidification Rate: 0.38 gal/hr |
| Liquid Line | 3/8" |
| Suction Line | 5/8" |
| Operating Mode | Cooling, Heating |
| Height | 3" |
| Width | 18" |
| Depth | 38" |
| Resources | Surge Protector 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. |
| Phase | Single Phase |
| Replaces | MXZ-SM36NAMHZ |
| Product Features | Hyper Heat |
| HSPF | 11 |
| SEER2 (Efficiency) | 23 |
| EER | 15 |
| Max Breaker Size | 45 amps |
| Min. Breaker Size | 40 amps |
| Amperage Requirement | 50 |
| Length | 17" |
Frequently Asked Questions
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