Excellent 4.9 | 18,452 reviews

Cooper & Hunter Hyper Olivia Midnight 48,000 BTU 2-Zone 18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump - CH-RHP48M-230VO/M18WMB+M18WMB-NO/NO

Cooper & Hunter Hyper Olivia Midnight 48,000 BTU 2-Zone 18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump - CH-RHP48M-230VO/M18WMB+M18WMB-NO/NO

$4,369.99
$4,369.99 $5,825.50
SAVE 24% Sold out
Cooper & Hunter Hyper Olivia Midnight 48,000 BTU 2-Zone 18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump - CH-RHP48M-230VO/M18WMB+M18WMB-NO/NO

Cooper & Hunter Hyper Olivia Midnight 48,000 BTU 2-Zone 18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump - CH-RHP48M-230VO/M18WMB+M18WMB-NO/NO

$4,369.99
$4,369.99 $5,825.50
SAVE 24% Sold out

Cooper & Hunter Hyper Olivia Midnight 48,000 BTU 2-Zone 18k+18k Wall Mount, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump - CH-RHP48M-230VO/M18WMB+M18WMB-NO/NO

The Cooper & Hunter Olivia Hyper Heat 2-Zone Mini Split System features two 18,000 BTU wall-mounted zones and an outdoor unit with a nominal capacity of 48,000 BTU, offering efficient heating down to -22°F ambient temperatures. It includes built-in Wi-Fi control, operates with R454B refrigerant, and achieves a SEER2 rating of 23.

Features
  • 2-zone system — the CH-RHP48M-230VO outdoor unit supports up to 6 indoor units, each individually controlled; port adapters included, no branch boxes required
  • 47,000 Btu/h rated cooling / 49,000 Btu/h rated heating — inverter range 12,000–57,000 cooling, 13,000–57,000 heating (Btu/h)
  • 23 SEER2 / 12 EER2 / 11 HSPF4 — current R454B-generation efficiency
  • Hyper Heat: heats down to -22°F outdoor ambient — 47,000 Btu/h rated heating at 5°F; cooling operation -22–122°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)
  • Outdoor unit (condenser): CH-RHP48M-230VO — 48,000 BTU Hyper Heat multi-zone R454B outdoor unit, pre-charged for up to 150 ft of line
  • Zone 1 — Wall Mount (Olivia Midnight): CH-RB18MOLVWM-230VI (18,000 Btu/h) with remote control
  • Zone 2 — Wall Mount (Olivia Midnight): CH-RB18MOLVWM-230VI (18,000 Btu/h) with remote control
  • Wi-Fi Smart Kit (built in) for app control
  • Installation kits — choose 16 ft, 25 ft, or 50 ft per zone: copper line set, communication cable, and drain line
Specifications 
Power Supply 208/230V, 1 Ph, 60 Hz (voltage range 187-253V)
Cooling — Rated Capacity (Range) 60,000 Btu/h (19,000–62,000)
Heating at 47°F — Rated Capacity (Range) 60,000 Btu/h (20,000–60,000)
Rated Heating at 5°F 39,000 Btu/h
SEER2 / EER2 22 / 10
HSPF4 / HSPF5 / COP (47°F) 9.5 / 7.4 / 3.7
Outdoor Unit MCA / Max. Fuse 36 A / 40 A
Max. Connectable Indoor Units 6
Outdoor Noise Level 65 dB(A)
Outdoor Unit Dimensions (W×D×H) 37.48 × 16.34 × 52.48 in
Outdoor Unit Net / Gross Weight 237.88 / 270.28 lbs
Refrigerant Type / Charge R454B / 151.68 oz
Pre-charged Line Length 150 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
What our Experts Think
  • Hyper Heat Performance – This 48,000 BTU dual-zone system delivers powerful heating and cooling for two large spaces (18K + 18K), with dependable heating even in extreme cold.
  • Independent Zone Control – Each 18,000 BTU indoor unit has its own temperature settings, allowing personalized comfort in separate rooms.
  • High-Efficiency Inverter Technology – Variable-speed inverter operation maintains consistent temperatures while reducing energy consumption and operating costs.
  • Modern R454B Refrigerant – Uses next-generation R454B refrigerant for improved environmental performance and efficient operation.
  • Quiet & Smart Comfort – Olivia Midnight wall-mounted units feature whisper-quiet operation, advanced air filtration, Wi-Fi capability, and multiple comfort modes for everyday convenience.
  • Expert Verdict – An excellent premium mini split system for larger homes, additions, or offices, combining Hyper Heat technology, energy efficiency, and sleek Midnight indoor units for year-round comfort.

Q&A

Q: What areas can this mini split system heat and cool?
A: This 48,000 BTU dual-zone system includes two 18,000 BTU indoor units, making it ideal for independently conditioning two medium to large rooms.

Q: Can each zone have its own temperature setting?
A: Yes. Each indoor unit offers independent temperature control for personalized comfort in each room.

Q: Does this system provide both heating and cooling?
A: Yes. The heat pump delivers efficient year-round cooling and heating in a single system.

Q: What refrigerant does this system use?
A: It uses R454B refrigerant, designed for improved efficiency and a lower environmental impact.

Q: Is this system energy efficient?
A: Yes. Inverter technology automatically adjusts compressor speed to help reduce energy consumption while maintaining consistent indoor comfort.


Maintenance Tips
  • Clean the washable air filters every 2–4 weeks to maintain optimal airflow, heating, and cooling efficiency.
  • Keep the indoor units and outdoor condenser free of dust, leaves, and debris to ensure reliable performance and proper airflow.
  • Wipe the indoor units with a soft, damp cloth and avoid abrasive cleaners or harsh chemicals that may damage the finish.
  • Inspect condensate drain lines regularly to prevent clogs, leaks, and water damage.
  • Schedule annual professional maintenance to inspect refrigerant levels, electrical connections, and overall system performance for maximum efficiency.
View full details