Cooper & Hunter Olivia Midnight 36,000 BTU 2-Zone 9k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump
Cooper & Hunter7-Yr WarrantySKU: CH-R36MES-230VO/M09WMB+M18WMB-NO/NO
Product specifications
- Voltage
- 230V
- SEER
- 23.9
- WiFi
- Included
- Zone
- Dual Zone
- Type
- Wall Mount
- Freon
R454B
Choose Your Configuration
Choose a line-set kit length for each indoor unit. “No Installation Kit” ships the units only.
Size — match your room area
Save 10% on these accessories
ARMBRIDGE Mini Split Wall Mounting Bracket High Load Capacity Zinc, Vibration-Absorbing (Up to 550 lbs Each)-10%$49.00
ARMBRIDGE Heavy-Duty Mini Split Ground Stand, Zinc-Coated Brackets for 24,000–60,000 BTU Units Weatherproof Design, 330+ lbs Capacity-10%$89.00
ARMBRIDGE 30 AMP Fusible Metallic Disconnect Box Durable Enclosed Disconnect for Residential and Light Commercial HVAC Systems-10%$29.00
ARMBRIDGE Non-Metallic A/C Whip 3/4" x 6 ft – Pre-Wired Liquid tight Conduit with 8/2 & 10/1 Wires for HVAC & Air Conditioner Power Connection-10%$34.00
FREE Delivery
Ships from the nearest of our three US warehouses, leaves in 1–2 business days. Shipping policy
COOPER & HUNTER · OLIVIA MIDNIGHT
Built for year-round comfort
CH-R36MES-230VO/M09WMB+M18WMB-NO/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) | 40/34/23.5 dB |
| Warranty | 7-Yr Compressor |
Indoor Unit Specs
| Unit Dimensions (WxDxH) | Net / Gross Weight | Remote Control |
|---|---|---|
| 31.57 × 7.87 × 11.61 in | 18.96 / 24.25 lb | RG10K-exclusive remote |
Olivia Midnight Series Description
The Cooper & Hunter Olivia 2-Zone Mini Split System features two wall-mounted zones with 9,000 and 18,000 BTU capacities, paired with an outdoor unit rated for up to -13°F heating ambient and a SEER2 efficiency of 24. It includes built-in Wi-Fi control and uses R454B refrigerant for environmentally responsible performance.
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 Wall Mount — CH-RB09MOLVWM-230VI
- Indoor Wall Mount — CH-RB18MOLVWM-230VI
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-RB09MOLVWM-230VI | CH-RB18MOLVWM-230VI |
|---|---|---|
| Unit Dimensions (WxDxH) | 31.57x7.87x11.61 in | 42.64x9.61x13.23 in |
| Net/Gross Weight | 18.96/24.25 lb | 29.54/37.48 lb |
| Packing Dimensions (WxDxH) | 34.45x11.22x14.96 in | 45.47x16.34x12.40 in |
| Power Supply | 208-230V, 1Ph, 60Hz | 208-230V, 1Ph, 60Hz |
| Maximum Fuse Size | 15 A | 15 A |
| Min. Circuit Ampacity | 3 A | 3 A |
| Copper Line Size (Liquid/Gas) | 1/4"/3/8" | 1/4"/1/2" |
| Noise Level (Hi/Med/Lo) | 40/34/23.5 dB | 45.5/41/24.5 dB |
| Airflow (Turbo/Hi/Mi/Lo) | 341.18/291.18/194.12/152.94 CFM | 760.59/530.59/458.82/382.35 CFM |
| Dehumidification | 2.64 pt/h | 3.28 pt/h |
| Drain Pipe Diameter | 5/8" | 5/8" |
| Controller | RG10K-exclusive remote | RG10K-exclusive remote |
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.
Indoor HYPER
| Specification | CH-RB06MOLVWM-230VI | CH-RB09MOLVWM-230VI | CH-RB12MOLVWM-230VI | CH-RB18MOLVWM-230VI | CH-RB24MOLVWM-230VI |
|---|---|---|---|---|---|
| Rated | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 |
| Rated Capacity | 6,000 Btu/h | 9,000 Btu/h | 12,000 Btu/h | 18,000 Btu/h | 23,000 Btu/h |
| Minimum Circuit Ampacity (MCA) | 3 A | 3 A | 3 A | 3 A | 3 A |
| Max. Fuse | 15 A | 15 A | 15 A | 15 A | 15 A |
| Indoor Air Flow (Turbo/Hi/Mi/Lo/Si) | 294.3/235.4/176.6/141.3/ \A | 382.6/294.3/194.2/153.0/NA | 382.6/294.3/194.2/153.0 / / | 759.3/500.3/441.4/ 370.8 / / | 799.3/588.6/459.1/ 382.6 / / |
| Indoor Noise Level (Turbo/Hi/Mi/Lo/Si) | 42/37/32/24/20 dB(A) | N\A/38.5/33/24/20.5 dB(A) | N\A/42/35.5/22.5/20 dB(A) | 54.5/45/40/24.5/20 dB(A) | 54.5/45.5/43.5/34.5/20.5 dB(A) |
| Dimension (WxDxH) | 28.70x7.87x11.50 inch | 31.57x7.87x11.61 inch | 31.57x7.87x11.61 inch | 42.60x9.21x13.27 inch | 42.60x9.21x13.27 inch |
| Packing (WxDxH) | 31.10x10.63x14.76 inch | 34.45x11.22x14.96 inch | 34.45x11.22x14.96 inch | 45.47x12.40x16.34 inch | 45.47x12.40x16.34 inch |
| Net/Gross Weight | 17.64/23.15 lbs. | 18.96/24.25 lbs. | 18.96/24.25 lbs. | 30.42/39.68 lbs. | 30.86/40.56 lbs. |
| Cooling | 60 ~ 90 °F | 60 ~ 90 °F | 60 ~ 90 °F | 60 ~ 90 °F | 60 ~ 90 °F |
| Heating | 32 ~ 86 °F | 32 ~ 86 °F | 32 ~ 86 °F | 32 ~ 86 °F | 32 ~ 86 °F |
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 | 23.9 | 23.9 | 23.9 | 24.0 |
| Refrigerant | R454B | R454B | R454B | R454B |
| Zones | Dual 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 Olivia Midnight 36,000 BTU mini split system cool?
The Cooper & Hunter Olivia Midnight 36,000 BTU system can effectively cool up to two separate zones, making it suitable for multiple rooms depending on their size and layout.
Can I mix BTU sizes with the Cooper & Hunter Olivia Midnight mini split?
Yes, you can mix BTU sizes with the Cooper & Hunter Olivia Midnight, but it's essential to ensure that the combined BTU ratings do not exceed the system's total capacity of 36,000 BTU for optimal performance.
Do all zones run simultaneously in a dual zone mini split like the Cooper & Hunter Olivia Midnight?
In the Cooper & Hunter Olivia Midnight 36,000 BTU dual zone system, both zones can operate simultaneously, allowing for customized heating and cooling in each area.
Is the Cooper & Hunter Olivia Midnight 36,000 BTU mini split system more efficient than multiple single-zone units?
With a SEER rating of 23.9, the Cooper & Hunter Olivia Midnight is generally more efficient than using multiple single-zone units, as it provides effective cooling for two zones with a single system.
What are the warranty terms for the Cooper & Hunter Olivia Midnight mini split?
The Cooper & Hunter Olivia Midnight comes with a 5-year parts warranty and a 7-year compressor warranty, provided you register the product within 30 days of purchase.
Does the Cooper & Hunter Olivia Midnight come pre-charged with refrigerant?
Yes, the Cooper & Hunter Olivia Midnight is pre-charged with R454B refrigerant for up to 25 ft of line set, making installation simpler and more efficient.
Manufacturer Technical Support
Reach your brand's tech support team directly
You may also like
- R454BSEER2 25.1HEATS down to −13°FCOOLS up to 122°F
7-Yr Warranty
Cooper & HunterCooper & Hunter 2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 9k+9kFree Shipping
- R454BSEER2 22.9HEATS down to −13°FCOOLS up to 122°F
7-Yr Warranty
Cooper & HunterCooper & Hunter 2 Zone 18,000 BTU OLIVIA Midnight Ductless Mini Split AC Wall Mounted 9k+12kFree Shipping
- R454BSEER2 25.0HEATS down to −22°FCOOLS up to 122°F
7-Yr Warranty
Cooper & HunterCooper & Hunter Hyper Olivia Midnight 19,000 BTU 2-Zone 9k+9k Wall Mount, 230V, R454BFree Shipping
- R454BSEER2 25.0HEATS down to −22°FCOOLS up to 122°F
7-Yr Warranty
Cooper & HunterCooper & Hunter Hyper Olivia Midnight 19,000 BTU 2-Zone 9k+12k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat PumpFree Shipping
The Cooper & Hunter Olivia 2-Zone Mini Split System features two wall-mounted zones with 9,000 and 18,000 BTU capacities, paired with an outdoor unit rated for up to -13°F heating ambient and a SEER2 efficiency of 24. It includes built-in Wi-Fi control and uses R454B refrigerant for environmentally responsible performance.
Key Features
- 2-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

