Review
This Mitsubishi quad-zone heat pump system targets the growing market of zoned mini-split installations where contractors need precise room-by-room control without traditional ductwork. The four 9,000 BTU indoor units distribute from a single outdoor compressor, each operating independently via wireless controller. At 36,000 BTU combined capacity, it addresses light-to-moderate cooling loads in residential applications where traditional central systems prove inefficient or impossible to install.
Performance metrics reveal a genuinely efficient unit. The published 19.2 SEER rating (specs also reference SEER1 at 23) translates to measurable energy savings in cooling mode, supported by an EER of 15 and HSPF ratings of 12.5 to 11.2 for heating. Operating ranges span 14 to 115 degrees for cooling and 5 to 65 degrees for heating, covering most US climates except extreme cold regions. Noise levels range 19 to 43 decibels, meaning whisper-quiet operation on low fan speeds.
Pros & Cons
Pros
- 19.2 SEER rating delivers exceptional cooling efficiency and lower operating costs
- Quad-zone configuration allows independent temperature control in four rooms or areas
- 12.5-11.2 HSPF provides strong heating performance down to 5 degrees outdoor temperature
- Wall-mounted design requires minimal space and offers flexible room placement
- Wireless controller included, eliminating additional control system expenses
- Single-phase 208/230V electrical compatibility fits standard residential installations
Cons
- 36,000 BTU total capacity (9,000 per zone) undersizes homes larger than 1,500 square feet
- Spec sheet lists SEER1 as 23 but product name claims 19.2 SEER, creating rating confusion
- EER of 15 is solid but lags premium competitors in high-temperature cooling performance
Who Should Buy
Best For
Contractors installing multi-room systems in new construction or retrofits where independent zone control prevents heated arguments between occupants. Homeowners in moderate climates seeking efficient cooling for four distinct spaces without central ducting.
Consider Alternatives If
Anyone needing more than 36,000 BTU total capacity or heating below 5 degrees should explore larger tonnage systems or alternative heating solutions.
Installation
Installation requires 208/230V single-phase power with a 30 to 40-amp breaker, standard for most homes. Refrigerant lines use 1/4-inch liquid and 3/8-inch suction sizing, with a 15-foot maximum length between outdoor and indoor units. Wall-mounted indoor units need 3-inch clearance from ceiling and 18-inch width, making kitchen and bedroom placement straightforward. Drain lines connect via 5/8-inch tubing, dehumidifying at 0.23 gallons per hour.
Warranty & Reliability
The five-year parts warranty covers compressor and all refrigerant circuit components, standard for Mitsubishi equipment. Labor warranty details aren't specified here, so verify with your installer about coverage extensions. This duration provides reasonable protection for a mid-priced system, though premium alternatives sometimes offer seven-year coverage.
Specifications
| SKU | 87762 |
| Brand/Manufacturer | Online Supply |
| Cooling BTU | 9,000 BTU |
| Heating BTU | 10,900 BTU |
| Refrigerant | R410A |
| Electrical | 208/230v 1 Phase 60 Hz |
| BTU/Tonnage | 9,000 BTU/0.75 Ton |
| Mini Split Type | Wall Mounted |
| Zone Compatibility | Multi Zone |
| Warranty | 5 Years Parts Warranty |
| Decibel Level (dBA) | 19-43 |
| Weight (in lbs) | 5.000000 |
| 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 | 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. |
| Energy Star | No |
| HSPF | 12.5-11.2 |
| SEER1 (Efficiency) | 23 |
| EER | 15 |
| Phase | Single Phase |
| Max Breaker Size | 40 |
| Min. Breaker Size | 30 |
| Tonnage | 3 Ton |
| Min/Max Outdoor Temp for Heating | 5°-65° |
| Min/Max Outdoor Temp for Cooling | 14°-115° |
| Length | 15' |
Frequently Asked Questions
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