Cooper & Hunter 12,000 BTU Single Zone Ceiling Cassette, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump
Cooper & Hunter7-Yr WarrantySKU: CH-RES12-230VO12CT
Product specifications
- Voltage
- 230V
- SEER
- 21.1
- WiFi
- Included
- Zone
- Single Zone
- Type
- Ceiling Cassette
- 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 · STANDARD
Built for year-round comfort
CH-RES12-230VO12CT
System Specs
| Cooling Capacity | 12,000 BTU/h |
|---|---|
| SEER2 | 21.1 |
| EER2 | 12.5 |
| Voltage | 230V |
| Refrigerant | R454B |
| Compressor | Inverter |
|---|---|
| Climate Range | -13–122°F / -13–75°F outdoor ambient |
| Sound Level (indoor) | 43.5/40.5/27.5 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 12,000 BTU (1 Ton) ceiling cassette is a single-zone flush-mount mini split air conditioner and heat pump on next-generation R454B refrigerant. The cassette recesses fully into the ceiling — only the low-profile panel stays visible — and a built-in condensate pump handles drainage. With a 21.1 SEER2 inverter system on 208/230V, it cools and heats spaces up to approximately 550 sq ft and keeps heating in outdoor temperatures as low as -13°F. Wi-Fi control is built in.
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 12,000 BTU Outdoor Condenser, 230V, R454B - Single Zone Mini Split Air Conditioner Heat Pump
- Indoor Ceiling Cassette — CH-RH12MCT
- Indoor Ceiling Cassette — CH-NPNL09-18CT
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-RES12-230VO
| Model | CH-RES12-230VO |
|---|---|
| Unit Dimensions (WxDxH) | 30.12 x 11.93 x 21.85 in |
| Net/Gross Weight | 62.17/67.68 lb |
| Packing Dimensions (WxDxH) | 34.92 x 13.27 x 24.02 in |
| Power Supply | 208-230V, 1Ph, 60Hz |
| Maximum Fuse Size | 15 A |
| Min. Circuit Ampacity | 12 A |
| Copper Line Size (Liquid/Gas) | 1/4"/3/8" |
| Noise Level | 54 dB |
| Airflow | 1,235.3 CFM |
| Dehumidification | 2.75 pt/h |
Indoor Unit Specs— CH-RH12MCT
| Model | CH-RH12MCT |
|---|---|
| Unit Dimensions (WxDxH) | 22.44 x 22.44 x 9.65 in |
| Net/Gross Weight | 35.27/41.89 lb |
| Packing Dimensions (WxDxH) | 28.15 x 25.20 x 11.61 in |
| Power Supply | 208-230V, 1Ph, 60Hz |
| Maximum Fuse Size | 15 A |
| Min. Circuit Ampacity | 3 A |
| Copper Line Size (Liquid/Gas) | 1/4"/3/8" |
| Noise Level (Hi/Med/Lo) | 43.5/40.5/27.5 dB |
| Dehumidification | 3.07 pt/h |
| Drain Pipe Diameter | 1" |
| Controller | wire controller + remote controller available |
System Specs
| Cooling — Rated Capacity (Range) | 12,000 Btu/h (3,700–14,000) |
|---|---|
| Heating — Rated Capacity (Range) | 12,000 Btu/h (4,700–15,000) |
| SEER2 / EER2 | 21.1 / 12.5 |
| HSPF4 / HSPF5 / COP (47°F) | 10.4 / 7.9 / 3.55 |
| Outdoor Unit MCA / Max. Fuse | 12 A / 15 A |
| Indoor Unit MCA / Max. Fuse | 3 A / 15 A |
| Indoor Air Flow (Turbo/Hi/Mid/Lo/Silent) | 418 / 365 / 306 / 194 / 147 CFM |
| Indoor Noise Level (Turbo/Hi/Mid/Lo/Silent) | 46.0 / 42.0 / 38.5 / 26.5 / 24.0 dB(A) |
| Indoor Cassette Dimensions (W×D×H) | 22.44 × 22.44 × 9.65 in (recessed body) |
| Decorative Panel | CH-NPNL09-18CT — 25.47 × 25.47 × 1.97 in |
| Indoor Unit Net / Gross Weight | 35.3 / 41.9 lbs |
| Condensate Removal | Built-in drain pump; lift pipe up to 29.5 in above ceiling |
| Outdoor Noise Level | 54.5 dB(A) |
| Outdoor Unit Dimensions (W×D×H) | 30.12 × 11.93 × 21.85 in |
| Outdoor Unit Net / Gross Weight | 62.2 / 67.7 lbs |
| Refrigerant Type / Charge | R454B / 32.45 oz |
| Pre-charged Line Length | 25 ft (add 0.16 oz per additional ft) |
| Line Set (Liquid / Gas) | 1/4" / 3/8" |
| Max. Pipe Length | 82 ft |
| Max. Elevation Difference | 49.2 ft |
| Operating Range — Cooling / Heating | -13–122°F / -13–75°F outdoor ambient |
| Recommended Coverage | up to 550 sq ft (guidance) |
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 |
System Type
| Specification | Hyper | Regular |
|---|---|---|
| Outdoor Model | CH-RHP09-230VO | CH-RHP12-230VO |
| Power Supply (V,Ph,Hz) | 208/230,1,60 | 208/230,1,60 |
| Voltage Range (V) | 187-253 | 187-253 |
| Rated Capacity (range) (Btu/h) | 3,700~13,600 | 3,800~15,100 |
| Rated Current (A) | 4.8 | 4.6 |
| EER2 (Btu/h) | 14 | 12.5 |
| SEER2 (Btu/h) | 22.6 | 22.2 |
| Rated Capacity (range) (Btu/h) | 5,100~15,700 | 5,300~16,200 |
| Rated Current (A) | 3.3 | 4.4 |
| COP (W/W) | 4.00 | 3.70 |
| HSPF4 | 12.1 | 11.6 |
| HSPF5 | 9.3 | 8.9 |
| Minimum Circuit Ampacity (A) | 15 | 15 |
| Max. Fuse (Outdoor Unit) (A) | 15 | 15 |
| Outdoor Air Flow (Max.) (CFM) | 1,471.5 | 1,471.5 |
| Outdoor Noise Level (Sound Pressure) (dB(A)) | 55 | 57 |
| Dimension (WxDxH) (inch) | 31.69x12.99x21.81 | 31.69x12.99x21.81 |
| Packing (WxDxH) (inch) | 36.02x14.57x24.21 | 36.02x14.57x24.21 |
| Net/Gross Weight (lbs.) | 72.75/78.70 | 72.75/78.70 |
| Refrigerant Type/Charge (oz.) | R454B/35.27 | R454B/35.27 |
| Refrigerant Precharge Length (ft.) | 25 | 25 |
| Additional Charge for Each ft. (oz/ft) | 0.16 | 0.16 |
| Design Pressure (PSIG) | 550/340 | 550/340 |
| Refrigerant Piping Liquid Side/Gas Side (inch) | 1/4"/3/8" | 1/4"/3/8" |
| Max. Pipe Length (ft.) | 82.00 | 82.00 |
| Max. Difference in Level (ft.) | 49.20 | 49.20 |
| Cooling (°F) | -22~122 | -22~122 |
| Heating (°F) | 22~75 | -22~75 |
Frequently asked questions.
What size mini split do I need for my room?
For spaces up to 550 sq ft, the Cooper & Hunter 12,000 BTU Single Zone Ceiling Cassette is an ideal choice. Its 21.1 SEER rating ensures efficient cooling and heating for medium-sized rooms.
Can I install a mini split myself?
While some homeowners may attempt a DIY installation, it is recommended to hire a professional for the Cooper & Hunter mini split system. This ensures proper setup and efficiency, especially considering the 230V requirement and up to 25 ft of line set for optimal performance.
Does the mini split come pre-charged with refrigerant?
Yes, the Cooper & Hunter mini split system comes pre-charged with R454B refrigerant for up to 25 ft of line set. This feature simplifies installation and ensures ideal performance right from startup.
What warranty does Cooper & Hunter offer on this model?
The Cooper & Hunter 12,000 BTU mini split has a 5-year parts warranty and a 7-year compressor warranty, but registration is required within 30 days of purchase to take advantage of these terms.
What is the SEER rating of this mini split and why is it important?
The Cooper & Hunter model boasts an impressive 21.1 SEER rating, indicating superior energy efficiency. A higher SEER rating means lower energy bills and a smaller environmental footprint, making it a smart choice for homeowners.
What voltage does this mini split require?
The Cooper & Hunter 12,000 BTU Single Zone Ceiling Cassette operates on a 230V electrical system. Ensuring your home has the correct voltage is crucial for optimal performance and safety.
Manufacturer Technical Support
Reach your brand's tech support team directly
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The Cooper & Hunter 12,000 BTU (1 Ton) ceiling cassette is a single-zone flush-mount mini split air conditioner and heat pump on next-generation R454B refrigerant. The cassette recesses fully into the ceiling — only the low-profile panel stays visible — and a built-in condensate pump handles drainage. With a 21.1 SEER2 inverter system on 208/230V, it cools and heats spaces up to approximately 550 sq ft and keeps heating in outdoor temperatures as low as -13°F. Wi-Fi control is built in.
Key Features
- 12,000 Btu/h cooling / 12,000 Btu/h heating — inverter range 3,700–14,000 cooling, 4,700–15,000 heating
- 21.1 SEER2 / 12.5 EER2 / 10.4 HSPF4 — current R454B-generation efficiency
- Heats down to -13°F outdoor ambient; cooling operation -13–122°F
- Built-in condensate pump — drain lift pipe up to 29.5 in above the ceiling board
- Humidity sensor (active on single-zone systems) and washable fresh-air filter
- Quiet: indoor unit from 24.0 dB(A); outdoor unit 54.5 dB(A)
- Wi-Fi Smart Kit built in — Cooper & Hunter app control; IR remote and 12V wall thermostat included (thermostat connection enables smart features)
- ETL listed, AHRI certified, Energy Star Cold Climate & NEEP listed
Cooper & Hunter Ceiling Cassette (R454B) Lineup
| Capacity | Outdoor + Indoor Cassette | SEER2 | Heats down to | Coverage* |
| 9,000 BTU | CH-RES09-230VO + CH-RH09MCT | 21.6 | -13°F | up to 400 sq ft |
| 9,000 BTU Hyper Heat | CH-RHP09-230VO + CH-RH09MCT | 22.6 | -22°F | up to 400 sq ft |
| 12,000 BTU | CH-RES12-230VO + CH-RH12MCT | 21.1 | -13°F | up to 550 sq ft |
| 12,000 BTU Hyper Heat | CH-RHP12-230VO + CH-RH12MCT | 22.2 | -22°F | up to 550 sq ft |
| 18,000 BTU | CH-RES18-230VO + CH-RH18MCT | 20.7 | -13°F | up to 900 sq ft |
| 18,000 BTU Hyper Heat | CH-RHP18-230VO + CH-RH18MCT | 20.0 | -22°F | up to 850 sq ft |
| 24,000 BTU | CH-RES24-230VO + CH-RH24MCT | 22.0 | -13°F | up to 1,500 sq ft |
| 24,000 BTU Hyper Heat | CH-RHP24-230VO + CH-RH24MCT | 20.7 | -22°F | up to 1,400 sq ft |
| 36,000 BTU LC | CH-R36LCU-230VO + CH-RH36LCCT | 20.0 | -13°F | up to 2,200 sq ft |
| 36,000 BTU Hyper Heat LC | CH-RHP36LCU-230VO + CH-RH36LCCT | 21.2 | -22°F | up to 2,200 sq ft |
| 48,000 BTU LC | CH-R48LCU-230VO + CH-RH48LCCT | 19.0 | -13°F | up to 3,000 sq ft |
| 48,000 BTU Hyper Heat LC | CH-RHP48LCU-230VO + CH-RH48LCCT | 18.0 | -22°F | up to 3,000 sq ft |
*Coverage is sizing guidance; actual load depends on insulation, ceiling height, sun exposure, and climate. LC = Light Commercial.