Cooper & Hunter 12,000 BTU Single Zone Slim Duct, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump
Cooper & Hunter7-Yr WarrantySKU: CH-RES12-230VO12DT
Product specifications
- Voltage
- 230V
- SEER
- 19.0
- WiFi
- 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 · STANDARD
Built for year-round comfort
CH-RES12-230VO12DT
System Specs
| Cooling Capacity | 11,500 BTU/h |
|---|---|
| SEER2 | 19.0 |
| EER2 | 11.7 |
| Voltage | 230V |
| Refrigerant | R454B |
| Compressor | Inverter |
|---|---|
| Climate Range | −13–122°F / −13–75°F outdoor ambient |
| Sound Level (indoor) | 36/34.5/32.5 dB |
| Warranty | 7-Yr Compressor |
Indoor Unit Specs
| Unit Dimensions (WxDxH) | Net / Gross Weight | Remote Control |
|---|---|---|
| 27.56 × 19.92 × 7.87 in | 39.46 / 46.74 lb | Wire controller + remote controller available |
Product Description
The Cooper & Hunter 12,000 BTU (1 Ton) single-zone slim duct mini split is a concealed-duct air conditioner and heat pump running on next-generation R454B refrigerant. The low-profile ducted air handler hides above a ceiling or in a soffit and distributes air through short duct runs — central-air comfort with mini-split efficiency ( 19.0 SEER2, 208/230V). Heating operation continues down to −13°F outdoor ambient.
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 Concealed Duct — CH-RS06-12MDT- 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-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-RS06-12MDT- MS
| Model | CH-RS06-12MDT- MS |
|---|---|
| Unit Dimensions (WxDxH) | 27.56 x 19.92 x 7.87 in |
| Net/Gross Weight | 39.46/46.74 lb |
| Packing Dimensions (WxDxH) | 33.86 x 21.26 x 11.22 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) | 36/34.5/32.5 dB |
| Dehumidification | 2.66 pt/h |
| Filter Dimensions | 23.3x7.24 in |
| Drain Pipe Diameter | 1" |
| Controller | wire controller + remote controller available |
System Specs
| Cooling — Rated Capacity (Range) | 11,500 Btu/h (3,100–13,000) |
|---|---|
| Heating — Rated Capacity (Range) | 12,000 Btu/h (3,700–15,600) |
| SEER2 / EER2 | 19.0 / 11.7 |
| HSPF4 / HSPF5 / COP (47°F) | 10.2 / 8.0 / 3.42 |
| Rated Current (Cooling) | 4.5 A |
| Minimum Circuit Ampacity — Outdoor / Indoor | 12 A / 3 A |
| Max. Fuse — Outdoor / Indoor | 15 A / 15 A |
| External Static Pressure (ESP) | 0–0.4 in.WG (medium static, 8 fan curves) |
| Indoor Air Flow (Turbo/Hi/Mid/Lo/Silent) | 400 / 324 / 265 / 177 / 118 CFM |
| Indoor Noise Level | 37 / 35 / 33.5 / 26 dB(A) (Hi/Mid/Lo/Silent) |
| Indoor Unit Dimensions (W×D×H) | 27.56 × 19.92 × 7.87 in |
| Indoor Unit Net Weight | 39.5 lbs |
| Outdoor Air Flow (Max.) | 1,236 CFM |
| Outdoor Noise Level | 55.5 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 |
| Drain Pump | Built-in |
Frequently asked questions.
What size mini split do I need for my home?
For a space up to 550 sq ft, the Cooper & Hunter 12,000 BTU mini split is an ideal choice. With a SEER rating of 19.0, it efficiently cools or heats small to medium-sized rooms.
Can I install a mini split myself?
While DIY installation is possible, the Cooper & Hunter 12,000 BTU mini split requires proper handling of refrigerant and electrical connections. If you're not experienced, hiring a professional installer is recommended to ensure optimal performance and compliance with local codes.
Does the mini split come pre-charged with refrigerant?
Yes, the Cooper & Hunter mini split is pre-charged with R454B refrigerant for up to 25 ft of line set, making installation more straightforward. However, additional refrigerant may be necessary if the line set exceeds this length.
What voltage does the Cooper & Hunter mini split require?
The Cooper & Hunter 12,000 BTU mini split operates on a 230V electrical system. Ensure your home is compatible with this voltage to avoid installation issues.
What warranty does Cooper & Hunter offer on their mini split systems?
Cooper & Hunter provides a 5-year parts warranty and a 7-year compressor warranty, provided the product is registered within 30 days of installation. This coverage ensures peace of mind for your investment.
What SEER rating do I need for an energy-efficient mini split?
A SEER rating of 16 or higher is recommended for energy efficiency, making the Cooper & Hunter 12,000 BTU model with a 19.0 SEER rating an excellent choice. This high efficiency can lead to significant savings on your energy bills.
Manufacturer Technical Support
Reach your brand's tech support team directly
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The Cooper & Hunter 12,000 BTU (1 Ton) single-zone slim duct mini split is a concealed-duct air conditioner and heat pump running on next-generation R454B refrigerant. The low-profile ducted air handler hides above a ceiling or in a soffit and distributes air through short duct runs — central-air comfort with mini-split efficiency (19.0 SEER2, 208/230V). Heating operation continues down to −13°F outdoor ambient.
Key Features
- 11,500 BTU cooling / 12,000 BTU heating — inverter range 3,100–13,000 Btu/h cooling, 3,700–15,600 Btu/h heating
- 19.0 SEER2 / 11.7 EER2 / 10.2 HSPF4 — current R454B-generation ratings
- Concealed installation: external static pressure 0–0.4 in.WG (medium static, 8 fan curves) — supports real duct runs, grilles and filters
- Heats down to −13°F, cooling operation −13–122°F outdoor ambient
- 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 12 A, max fuse 15 A
- ETL listed, AHRI certified, NEEP listed, Energy Star Cold Climate
Cooper & Hunter Single-Zone Slim Duct (R454B) Lineup
| Capacity | Model (Indoor + Outdoor) | SEER2 |
| 9,000 BTU | CH-RS06-12MDT-MS + CH-RES09-230VO | 19.5 |
| 12,000 BTU | CH-RS06-12MDT-MS + CH-RES12-230VO | 19.0 |
| 18,000 BTU | CH-RS18MDT-MS + CH-RES18-230VO | 20.0 |
| 24,000 BTU | CH-RS24MDT-HS + CH-RES24-230VO | 19.0 |
| 36,000 BTU | CH-RS36LCDT-HS + CH-R36LCU-230VO | 18.7 |
| 48,000 BTU | CH-RS48LCDT-HS + CH-R48LCU-230VO | 17.1 |
| 60,000 BTU | CH-RS60LCDT-HS + CH-R60LCU-230VO | 17.0 |