Cooper & Hunter 4 Zone 36,000 BTU OLIVIA Ductless Mini Split AC Ceiling Cassette 9k+9k+12k+18k
Cooper & Hunter7-Yr WarrantySKU: CH-R36MES-230VO/M09CC+M09CC+M12CC+M18CC-NO
Product specifications
- Voltage
- 230V
- SEER
- 24.0
- WiFi
- Included
- Zone
- Four Zone
- Type
- Ceiling Cassette
- Freon
R454B
Choose Your Configuration
“No Installation Kit” ships the units only.
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FREE Delivery
Ships from the nearest of our three US warehouses, leaves in 1–2 business days. Shipping policy
COOPER & HUNTER · CEILING CASSETTE
Built for year-round comfort
CH-R36MES-230VO/M09CC+M09CC+M12CC+M18CC-NO
System Specs
| Cooling Capacity | 36,000 BTU/h |
|---|---|
| Heating Capacity | 37,000 BTU/h |
| SEER2 | 24 |
| EER2 | 12 |
| Voltage | 230V |
| Refrigerant | R454B |
|---|---|
| Compressor | Inverter |
| Climate Range | -13–122°F / -13–75°F outdoor ambient |
| Sound Level (indoor) | 40/37.5/26 dB |
| Warranty | 7-Yr Compressor |
Indoor Unit Specs
| Unit Dimensions (WxDxH) | Net / Gross Weight | Remote Control |
|---|---|---|
| 22.44 × 22.44 × 9.65 in | 35.27 / 41.89 lb | Wire controller + remote controller available |
Product Description
The Cooper & Hunter 4-Zone Mini Split System features four ceiling cassette zones with combined cooling capacity of 36,000 BTU, built-in Wi-Fi control, and operates efficiently with a SEER2 rating of 24. It uses R454B refrigerant and is designed for heating down to -13°F ambient temperatures.
6 Modes for Maximum Comfort
Engineered to adapt to every season, every room, every need.
Maintain a comfortable indoor temperature by automatically switching between heating and cooling as needed. Ideal for year-round use.
WHEREVER YOU ARE
Control your comfort, your way
- Easy scheduling & timer
- Multiple ways to control your comfort
- Smart geo location
- In-app support & assistance
- Voice control

IN THE BOX
Everything included with this system
- Cooper & Hunter MES 36,000 BTU Outdoor Condenser, 230V, R454B - Mini Split Air Conditioner Heat Pump
- Indoor Ceiling Cassette — CH-RH09MCT × 2
- Indoor Ceiling Cassette — CH-NPNL09-18CT × 4
- Indoor Ceiling Cassette — CH-RH12MCT
- Indoor Ceiling Cassette — CH-RH18MCT
WARRANTY
BACKED BY COOPER & HUNTER
Industry-leading protection on every unit
Compressor: 7-year coverage
With product registration after professional installation.
Parts & components: 5-year coverage
All major components and refrigerant circuit parts.
Technical Specifications
Outdoor Unit Specs— CH-R36MES-230VO
| Model | CH-R36MES-230VO |
|---|---|
| Unit Dimensions (WxDxH) | 37.24 x 16.14 x 31.89 in |
| Net/Gross Weight | 168.87/180.12 lb |
| Packing Dimensions (WxDxH) | 42.91 x 19.68 x 34.84 in |
| Power Supply | 208-230V, 1Ph, 60Hz |
| Maximum Fuse Size | 35 A |
| Min. Circuit Ampacity | 30.5 A |
| Copper Line Size (Liquid/Gas) | 5x1/4" - 4x3/8"+1x1/2" |
| Noise Level | 64.5 dB |
| Airflow | 2,148.4 CFM |
| Dehumidification | 2.11 pt/h |
Indoor Unit Specs
| Model | CH-RH09MCT | CH-RH12MCT | CH-RH18MCT |
|---|---|---|---|
| Unit Dimensions (WxDxH) | 22.44 x 22.44 x 9.65 in | 22.44 x 22.44 x 9.65 in | 22.44 x 22.44 x 9.65 in |
| Net/Gross Weight | 35.27/41.89 lb | 35.27/41.89 lb | 35.27/41.89 lb |
| Packing Dimensions (WxDxH) | 28.15 x 25.20 x 11.61 in | 28.15 x 25.20 x 11.61 in | 28.15 x 25.20 x 11.61 in |
| Power Supply | 208-230V, 1Ph, 60Hz | 208-230V, 1Ph, 60Hz | 208-230V, 1Ph, 60Hz |
| Maximum Fuse Size | 15 A | 15 A | 15 A |
| Min. Circuit Ampacity | 3 A | 3 A | 3 A |
| Copper Line Size (Liquid/Gas) | 1/4"/3/8" | 1/4"/3/8" | 1/4"/1/2" |
| Noise Level (Hi/Med/Lo) | 40/37.5/26 dB | 43.5/40.5/27.5 dB | 44.5/41/27.5 dB |
| Dehumidification | 1.86 pt/h | 3.07 pt/h | 4.23 pt/h |
| Drain Pipe Diameter | 1" | 1" | 1" |
| Controller | wire controller + remote controller available | wire controller + remote controller available | wire controller + remote controller available |
System Specs
| Cooling — Rated Capacity (Range) | 36,000 Btu/h (9,000–42,000) |
|---|---|
| Heating at 47°F — Rated Capacity (Range) | 37,000 Btu/h (10,000–42,500) |
| Rated Heating at 5°F | 26,000 Btu/h |
| SEER2 / EER2 | 24 / 12 |
| HSPF4 / HSPF5 / COP (47°F) | 9.5 / 7 / 3.5 |
| Outdoor Unit MCA / Max. Fuse | 30.5 A / 35 A |
| Max. Connectable Indoor Units | 5 |
| Outdoor Noise Level | 64.5 dB(A) |
| Outdoor Unit Dimensions (W×D×H) | 37.24 × 16.14 × 31.89 in |
| Outdoor Unit Net / Gross Weight | 168.87 / 180.12 lbs |
| Refrigerant Type / Charge | R454B / 120.63 oz |
| Pre-charged Line Length | 125 ft (add 0.16 oz/ft for 1/4 in liquid pipe / 0.32 oz/ft for 3/8 in liquid pipe) |
| Max. Total Pipe Length / Max. to One Indoor | 262.4 ft / 114.8 ft |
| Max. Height Difference (Indoor–Outdoor / Between Indoors) | 49.2 ft / 33 ft |
| Operating Range — Cooling / Heating | -13–122°F / -13–75°F outdoor ambient |
Series Comparison Table
Technical specifications for every model in the series — this product is one of them.
System Type
| Specification | Hyper | Regular |
|---|---|---|
| Ceiling Cassette PRO | CH-RSH09-12MCT(Dip Switch for 9K) | CH-RSH09-12MCT(Dip Switch for 12K) |
| Ceiling Cassette | CH-RH09MCT | CH-RH12MCT |
| Panel Model Number | CH-NPNL09-18CT | CH-NPNL09-18CT |
| Power Supply (V,Ph,Hz) | 208/230,1,60 | 208/230,1,60 |
| Rated Capacity (Btu/h) | 9,000 | 12,000 |
| Minimum Circuit Ampacity (A) | 3 | 3 |
| Max. Fuse (A) | 15 | 15 |
| Indoor Air Flow - Turbo/Hi/Mi/Lo (CFM) | 417.9/364.9/306.1/194.2/147.2 | 417.9/364.9/306.1/194.2/147.2 |
| Indoor Noise Level - Hi/Mi/Lo (dB(A)) | 42.5/40/37.5/26/24 | 46/43.5/40.5/27.5/26 |
| Dimension (WxDxH) (inch) | 22.44x22.44x9.65 | 22.44x22.44x9.65 |
| Packing (WxDxH) (inch) | 28.15x25.20x11.61 | 28.15x25.20x11.61 |
| Net/Gross Weight (lbs.) | 35.27/41.89 | 35.27/41.89 |
| Cooling (°F) | 60~90 | 60~90 |
| Heating (°F) | 32~86 | 32~86 |
Outdoor Regular
| Specification | CH-R36MES-230VOThis model | CH-R18MES-230VO | CH-R28MES-230VO | CH-R48MES-230VO | CH-R60MES-230VO |
|---|---|---|---|---|---|
| Power Supply (V, Ph, Hz) | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 |
| Voltage Range (V) | 187-253 | 187-253 | 187-253 | 187-253 | 187-253 |
| Cooling Rated Capacity (range) (Btu/h) | 9,000~42,000 | 5,400~21,600 | 7,200~32,000 | 12,000~55,000 | 19,000~62,000 |
| Cooling Rated Current (A) | 13.5 | 6 | 9.2 | 16.6 | 26.2 |
| EER2 | 12 | 14 | 13 | 12.5 | 10 |
| SEER2 | 24 | 25.1 | 25 | 24 | 22 |
| Heating Rated Capacity (range) (Btu/h) | 10,000~42,500 | 5,700~21,600 | 8,400~29,000 | 13,000~53,000 | 20,000~60,000 |
| Heating Rated Current (A) | 14 | 6.8 | 9.2 | 16.3 | 21 |
| Heating at 47°F COP (W/W) | 3.5 | 3.8 | 3.8 | 3.8 | 3.7 |
| HSPF4 | 9.5 | 9.8 | 9.5 | 10.3 | 9.5 |
| HSPF5 | 7 | 7.8 | 7 | 8 | 7.4 |
| Heating at 5°F Rated Capacity (Btu/h) | 26,000 | 13,500 | 19,000 | 36,000 | 39,000 |
| Minimum Circuit Ampacity (Outdoor unit) (A) | 30.5 | 16 | 23 | 40 | 40 |
| Max. Fuse (Outdoor unit) (A) | 35 | 20 | 25 | 45 | 45 |
| Outdoor Air Flow (Max) (CFM) | 2,148.4 | 1,765.8 | 2,130.7 | 4,502.8 | 4,502.8 |
| Outdoor Noise Level (Sound Pressure) (dB(A)) | 64.5 | 59.5 | 61 | 63 | 65 |
| Dimension (W×D×H) (inch) | 37.24x16.14x31.89 | 35.04x13.46x26.50 | 37.24x16.14x31.89 | 37.48x16.34x52.48 | 37.48x16.34x52.48 |
| Packing (W×D×H) (inch) | 42.91x19.68x34.84 | 40.55x17.24x29.53 | 42.91x19.68x34.84 | 43.11x19.49x58.27 | 43.11x19.49x58.27 |
| Net/Gross Weight (lbs) | 168.87/180.12 | 100.53/109.35 | 138.89/149.69 | 222.00/254.19 | 237.88/270.28 |
| Refrigerant Type/Charged (oz) | R454B/120.63 | R454B/61.73 | R454B/84.66 | R454B/148.15 | R454B/151.68 |
| Refrigerant Precharge (ft) | 125 | 75 | 100 | 150 | 150 |
| Additional Charge for Each (0.16 for 1/4 in liquid pipe / *0.32 for 3/8 in liquid pipe) (oz/ft) | 0.16 / 0.32 | 0.16 / 0.32 | 0.16 / 0.32 | 0.16 / 0.32 | 0.16 / 0.32 |
| Design Pressure (PSIG) | 550/340 | 550/340 | 550/340 | 550/340 | 550/340 |
| Refrigerant Piping Liquid Side (inch) | 5 x 1/4" | 3 x 1/4" | 4 x 1/4" | 6 x 1/4" | 6 x 1/4" |
| Refrigerant Piping Gas Side (inch) | 4 x 3/8" + 1 x 1/2" | 3 x 3/8" | 3 x 3/8" + 1 x 1/2" | 4 x 3/8" + 2 x 1/2" | 4 x 3/8" + 2 x 1/2" |
| Max. Pipe Length (ft) | 262.4 | 196.8 | 262.4 | 262.4 | 262.4 |
| Max. Length for One Indoor Unit (ft) | 114.8 | 98.4 | 114.8 | 114.8 | 114.8 |
| Max. Height Difference in Level (ft) | 49.2 | 49.2 | 49.2 | 49.2 | 49.2 |
| Max. Height Difference Between Indoor Units (ft) | 33 | 33 | 33 | 33 | 33 |
| Ambient Temperature Cooling (°F) | -13~122 | -13~122 | -13~122 | -13~122 | -13~122 |
| Ambient Temperature Heating (°F) | -13~75 | -13~75 | -13~75 | -13~75 | -13~75 |
| Certification: AHRI | ✔ | ✔ | ✔ | ✔ | ✔ |
| Certification: Energy Star | ✔ | ✔ | ✔ | ✔ | ✔ |
| Certification: NEEP | ✔ | ✔ | ✔ | ✔ | ✔ |
| Certification: ETL | ✔ | ✔ | ✔ | ✔ | ✔ |
Outdoor Hyper
| Specification | CH-RVHP19M-230VO | CH-RVHP28M-230VO | CH-RVHP36M-230VO | CH-RVHP48M-230VO | CH-RVHP55M-230VO |
|---|---|---|---|---|---|
| Power Supply (V/Ph/Hz) | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 |
| Operating Range (V) | 187-253 | 187-253 | 187-253 | 187-253 | 187-253 |
| Cooling Capacity (BTU/h) | 5,400~28,000 | 7,200~37,000 | 9,000~43,000 | 12,000~57,000 | 19,000~59,000 |
| SEER2 | 5.6 | 9.5 | 12 | 17.3 | 18.5 |
| EER | 15 | 12.5 | 13 | 12 | 12 |
| IEER | 25 | 23 | 23 | 23 | 22.2 |
| Heating Capacity (BTU/h) | 5,700~27,000 | 8,400~36,000 | 10,000~44,000 | 13,000~57,000 | 20,000~59,000 |
| HSPF2 | 6.5 | 9.1 | 11.5 | 17.3 | 20.1 |
| COP | 4 | 3.8 | 4 | 3.7 | 3.5 |
| SCOP | 10.4 | 10.5 | 10.7 | 11 | 10.5 |
| Power Input (W) | 8.5 | 8.5 | 8.5 | 9 | 8.5 |
| Air Flow (CFM) | 19,000 | 27,000 | 36,000 | 47,000 | 47,000 |
| Sound Level Indoor (dBA) | 17.5 | 30 | 37 | 37 | 39.5 |
| Sound Level Outdoor (dBA) | 20 | 35 | 40 | 40 | 40 |
| Weight Indoor (lbs) | 2,130.7 | 2,148.4 | 3,037.2 | 4,502.8 | 4,502.8 |
| Weight Outdoor (lbs) | 61.5 | 61 | 65 | 65 | 65 |
| Dimensions Indoor (in) | 37.24x16.14x31.89 | 37.24x16.14x31.89 | 38.58x16.34x38.39 | 37.48x16.34x52.48 | 37.48x16.34x52.48 |
| Dimensions Outdoor (in) | 42.91x19.68x34.84 | 42.91x19.68x34.84 | 45.08x19.68x42.52 | 43.11x19.49x58.27 | 43.11x19.49x58.27 |
| Shipping Weight Indoor/Outdoor (lbs) | 137.35/148.15 | 168.43/179.67 | 211.86/244.71 | 246.47/276.68 | 246.47/276.68 |
| Refrigerant Type/Amount (lbs) | R454B/78.31 | R454B/120.63 | R454B/134.04 | R454B/151.68 | R454B/151.68 |
| Fuse Size (A) | 75 | 100 | 125 | 150 | 150 |
| Wire Size (AWG) | 0.16 / 0.32 | 0.16 / 0.32 | 0.16 / 0.32 | 0.16 / 0.32 | 0.16 / 0.32 |
| Control Voltage (V) | 550/340 | 550/340 | 550/340 | 550/340 | 550/340 |
| Liquid Line | 3 x 1/4" | 4 x 1/4" | 5 x 1/4" | 6 x 1/4" | 6 x 1/4" |
| Suction Line | 3 x 3/8" | 3 x 3/8" + 1 x 1/2" | 3 x 3/8" + 2 x 1/2" | 4 x 3/8" + 2 x 1/2" | 4 x 3/8" + 2 x 1/2" |
| Max Line Length (ft) | 196.8 | 262.4 | 262.4 | 262.4 | 262.4 |
| Max Elevation Diff (ft) | 98.4 | 114.8 | 114.8 | 114.8 | 114.8 |
| Max Head Pressure (ft) | 49.2 | 49.2 | 49.2 | 49.2 | 49.2 |
| Max Suction Pressure (ft) | 33 | 33 | 33 | 33 | 33 |
| Operating Range Cooling (°F) | -22~122 | -22~122 | -22~122 | -22~122 | -22~122 |
| Operating Range Heating (°F) | -22~75 | -22~75 | -22~75 | -22~75 | -22~75 |
| Feature 1 | ✓ | ✓ | ✓ | ✓ | ✓ |
| Feature 2 | ✓ | ✓ | ✓ | ✓ | ✓ |
| Feature 3 | ✓ | ✓ | ✓ | ✓ | ✓ |
| Feature 4 | ✓ | ✓ | ✓ | ✓ | ✓ |
Which system is right for you?
| Your selection | ||||
|---|---|---|---|---|
| Cooling Capacity | 36,000 BTU/h | 36,000 BTU/h | 36,000 BTU/h | 36,000 BTU/h |
| SEER2 Rating | 24.0 | 24.0 | 24.0 | 24.0 |
| Refrigerant | R454B | R454B | R454B | R454B |
| Zones | Four Zone | Dual Zone | Three Zone | Four Zone |
| Voltage | 230V | 230V | 230V | 230V |
| Shop Now → | Shop Now → | Shop Now → |
Frequently asked questions.
How many rooms can the Cooper & Hunter 4 Zone 36,000 BTU mini split cool?
The Cooper & Hunter 4 Zone 36,000 BTU system can effectively cool up to four separate rooms, covering a total area of up to 1,500 sq ft. The flexibility in zoning allows for individualized temperature control in each room.
Can I mix BTU sizes for different zones with the Cooper & Hunter system?
Yes, you can mix BTU sizes within the Cooper & Hunter 4 Zone system, allowing for a combination of 9k, 9k, 12k, and 18k configurations. This customization helps optimize performance based on the specific heating and cooling needs of each room.
Do all zones in the Cooper & Hunter mini split run simultaneously?
In the Cooper & Hunter multi-zone system, you have the option to run all zones simultaneously or independently, depending on your heating and cooling needs. This flexibility is particularly useful for managing energy consumption throughout different times of the day.
Is the Cooper & Hunter mini split system more efficient than multiple single-zone units?
The Cooper & Hunter 4 Zone 36,000 BTU system boasts a high SEER rating of 23.9, making it more energy-efficient than operating multiple single-zone units. This efficiency translates to lower energy bills and a reduced carbon footprint.
What are the warranty terms for the Cooper & Hunter OLIVIA system?
The Cooper & Hunter OLIVIA mini split system comes with a 5-year parts warranty and a 7-year compressor warranty, provided you register the product within 30 days of purchase. This ensures you have reliable coverage for your investment.
Does the Cooper & Hunter mini split come pre-charged with refrigerant?
Yes, the Cooper & Hunter mini split system is pre-charged with R454B refrigerant for up to 25 ft of line set, simplifying installation. This feature allows for quicker setup and ensures optimal performance right from the start.
Manufacturer Technical Support
Reach your brand's tech support team directly
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The Cooper & Hunter 4-Zone Mini Split System features four ceiling cassette zones with combined cooling capacity of 36,000 BTU, built-in Wi-Fi control, and operates efficiently with a SEER2 rating of 24. It uses R454B refrigerant and is designed for heating down to -13°F ambient temperatures.
Key Features
- 4-zone system — the CH-R36MES-230VO outdoor unit supports up to 5 indoor units, each individually controlled; port adapters included, no branch boxes required
- 36,000 Btu/h rated cooling / 37,000 Btu/h rated heating — inverter range 9,000–42,000 cooling, 10,000–42,500 heating (Btu/h)
- 24 SEER2 / 12 EER2 / 9.5 HSPF4 — current R454B-generation efficiency
- Heats down to -13°F outdoor ambient — 26,000 Btu/h rated heating at 5°F; cooling operation -13–122°F
- Wi-Fi Smart Kit built in — Cooper & Hunter app control; remote control included with each indoor unit; compatible with C&H 12V wall thermostat (sold separately)
- ETL listed, AHRI certified, Energy Star Cold Climate & NEEP listed

