Cooper & Hunter Hyper Heat 18,000 BTU Single Zone Slim Duct, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump
Cooper & Hunter7-Yr WarrantySKU: CH-RHP18-230VO18DT
Product specifications
- Voltage
- 230V
- SEER
- 18.0
- WiFi
- Not Included
- Zone
- Single Zone
- Type
- Concealed Duct
- Freon
R454B
Choose Your Configuration
“No Installation Kit” ships the units only.
Size — match your room area
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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 · HYPER HEAT
Built for year-round comfort
CH-RHP18-230VO18DT
System Specs
| Cooling Capacity | 17,000 BTU/h |
|---|---|
| SEER2 | 18.0 |
| EER2 | 12.0 |
| Voltage | 230V |
| Refrigerant | R454B |
| Compressor | Inverter |
|---|---|
| Climate Range | −22–122°F / −22–75°F outdoor ambient |
| Sound Level (indoor) | 40/39/38 dB |
| Warranty | 7-Yr Compressor |
Indoor Unit Specs
| Unit Dimensions (WxDxH) | Net / Gross Weight | Remote Control |
|---|---|---|
| 34.65 × 26.54 × 8.27 in | 54.45 / 66.14 lb | Wire controller + remote controller available |
Hyper Heat Series Description
The Cooper & Hunter Hyper Heat 18,000 BTU (1.5 Ton) single-zone slim duct mini split is a concealed-duct air conditioner and heat pump built for cold climates: full heating operation down to −22°F outdoor ambient on next-generation R454B refrigerant. The low-profile ducted air handler hides above a ceiling or in a soffit — central-air comfort with 18.0 SEER2 inverter efficiency (208/230V). Energy Star Cold Climate certified.
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.
IN THE BOX
Everything included with this system
- Cooper & Hunter Hyper 18,000 BTU Outdoor Condenser, 230V, R454B - Single Zone Mini Split Air Conditioner Heat Pump
- Indoor Concealed Duct — CH-RS18MDT-MS
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-RHP18-230VO
| Model | CH-RHP18-230VO |
|---|---|
| Unit Dimensions (WxDxH) | 35.04 x 13.46 x 26.50 in |
| Net/Gross Weight | 99.87/107.80 lb |
| Packing Dimensions (WxDxH) | 39.17 x 15.67 x 29.13 in |
| Power Supply | 208-230V, 1Ph, 60Hz |
| Maximum Fuse Size | 20 A |
| Min. Circuit Ampacity | 19 A |
| Copper Line Size (Liquid/Gas) | 1/4"/1/2" |
| Noise Level | 59 dB |
| Airflow | 1,764.7 CFM |
| Dehumidification | 3.81 pt/h |
Indoor Unit Specs— CH-RS18MDT-MS
| Model | CH-RS18MDT-MS |
|---|---|
| Unit Dimensions (WxDxH) | 34.65 x 26.54 x 8.27 in |
| Net/Gross Weight | 54.45/66.14 lb |
| Packing Dimensions (WxDxH) | 42.13 x 28.54 x 11.02 in |
| Power Supply | 208-230V, 1Ph, 60Hz |
| Maximum Fuse Size | 15 A |
| Min. Circuit Ampacity | 3 A |
| Copper Line Size (Liquid/Gas) | 1/4"/1/2" |
| Noise Level (Hi/Med/Lo) | 40/39/38 dB |
| Dehumidification | 3.53 pt/h |
| Filter Dimensions | 30.2x7.47 in |
| Drain Pipe Diameter | 1" |
| Controller | wire controller + remote controller available |
System Specs
| Cooling — Rated Capacity (Range) | 17,000 Btu/h (6,500–18,800) |
|---|---|
| Heating — Rated Capacity (Range) | 19,000 Btu/h (8,900–22,000) |
| SEER2 / EER2 | 18.0 / 12.0 |
| HSPF4 / HSPF5 / COP (47°F) | 10.5 / 9.0 / 3.37 |
| Rated Current (Cooling / Heating) | 9.1 A / 10.5 A |
| Minimum Circuit Ampacity — Outdoor / Indoor | 19 A / 3 A |
| Max. Fuse — Outdoor / Indoor | 20 A / 15 A |
| External Static Pressure (ESP) | 0–0.4 in.WG (medium static) |
| Indoor Air Flow (Turbo/Hi/Mid/Lo) | 600 / 559 / 500 / 441 CFM |
| Indoor Noise Level | 40 / 39 / 38 / 32 dB(A) (Hi/Mid/Lo/Silent) |
| Indoor Unit Dimensions (W×D×H) | 34.65 × 26.54 × 8.27 in |
| Indoor Unit Net Weight | 54.5 lbs |
| Outdoor Air Flow (Max.) | 1,766 CFM |
| Outdoor Noise Level | 59.0 dB(A) |
| Outdoor Unit Dimensions (W×D×H) | 35.04 × 13.46 × 26.50 in |
| Outdoor Unit Net / Gross Weight | 99.9 / 107.8 lbs |
| Refrigerant Type / Charge | R454B / 55.38 oz |
| Pre-charged Line Length | 25 ft (add 0.16 oz per additional ft) |
| Line Set (Liquid / Gas) | 1/4" / 1/2" |
| Max. Pipe Length | 98.4 ft |
| Max. Elevation Difference | 65.6 ft |
| Operating Range — Cooling / Heating | −22–122°F / −22–75°F outdoor ambient |
| Drain Pump | Built-in |
Frequently asked questions.
What size mini split do I need for my room?
For optimal performance, the Cooper & Hunter Hyper Heat 18,000 BTU system is suitable for spaces up to 850 sq ft. Ensure your room's dimensions align with this coverage for effective heating and cooling.
Can I install a mini split myself?
While some experienced DIYers may attempt installation, it's recommended to hire a professional for the Cooper & Hunter Hyper Heat system. The installation process involves handling refrigerant lines and electrical connections that require expertise.
Does the mini split come pre-charged with refrigerant?
Yes, the Cooper & Hunter Hyper Heat unit comes pre-charged with R454B refrigerant for up to 25 ft of line set. This ensures efficient operation upon installation, making the setup process simpler.
What voltage does a mini split require?
The Cooper & Hunter Hyper Heat system operates on 230V, making it compatible with standard residential electrical systems in many areas. Always verify your home's electrical capacity before installation.
What warranty does Cooper & Hunter offer on the Hyper Heat system?
The Cooper & Hunter Hyper Heat comes with a 5-year parts warranty and a 7-year compressor warranty, provided registration is completed within 30 days of purchase. This coverage ensures peace of mind for your investment.
What is the SEER rating of the mini split and why is it important?
The Cooper & Hunter Hyper Heat boasts an impressive SEER rating of 18.0, indicating high energy efficiency. A higher SEER rating translates to lower energy bills and a more environmentally friendly operation.
Manufacturer Technical Support
Reach your brand's tech support team directly
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The Cooper & Hunter Hyper Heat 18,000 BTU (1.5 Ton) single-zone slim duct mini split is a concealed-duct air conditioner and heat pump built for cold climates: full heating operation down to −22°F outdoor ambient on next-generation R454B refrigerant. The low-profile ducted air handler hides above a ceiling or in a soffit — central-air comfort with 18.0 SEER2 inverter efficiency (208/230V). Energy Star Cold Climate certified.
Key Features
- Hyper Heat: heats at −22°F outdoor ambient (cooling −22–122°F) — built for northern winters
- 17,000 BTU cooling / 19,000 BTU heating — inverter range 6,500–18,800 Btu/h cooling, 8,900–22,000 Btu/h heating
- 18.0 SEER2 / 12.0 EER2 / 10.5 HSPF4 — current R454B-generation ratings
- Concealed installation: external static pressure 0–0.4 in.WG (medium static) — supports real duct runs, grilles and filters
- Built-in condensate drain pump — simplifies above-ceiling installation
- Wired wall thermostat and IR remote included; Smart Kit built in (Wi-Fi via wall thermostat connection)
- 208/230V, 1Ph, 60Hz — MCA 19 A, max fuse 20 A
- ETL listed, AHRI certified, NEEP listed, Energy Star Cold Climate
Cooper & Hunter Hyper Heat Slim Duct (R454B) Lineup
| Capacity | Model (Indoor + Outdoor) | SEER2 |
| 6,000 BTU | CH-RS06-12MDT-MS + CH-RHP06F9-230VO | 21.4 |
| 9,000 BTU | CH-RS06-12MDT-MS + CH-RHP09-230VO | 21.4 |
| 12,000 BTU | CH-RS06-12MDT-MS + CH-RHP12-230VO | 20.0 |
| 18,000 BTU | CH-RS18MDT-MS + CH-RHP18-230VO | 18.0 |
| 24,000 BTU | CH-RS24MDT-HS + CH-RHP24-230VO | 19.0 |
| 36,000 BTU | CH-RS36LCDT-HS + CH-RHP36LCU-230VO | 17.7 |
| 48,000 BTU | CH-RS48LCDT-HS + CH-RHP48LCU-230VO | 16.7 |
| 60,000 BTU | CH-RS60LCDT-HS + CH-RHP60LCU-230VO | 15.8 |