Cooper & Hunter 2 Zone 28,000 BTU Ducted Mini Split AC Concealed Duct 12k+18k
Cooper & Hunter7-Yr WarrantySKU: CH-R28MES-230VO/M12DT+M18DT-NO/NO
Product specifications
- Voltage
- 230V
- SEER
- 25.0
- WiFi
- Not Included
- Zone
- Dual Zone
- Type
- Concealed Duct
- Freon
R454B
Choose Your Configuration
Choose a line-set kit length for each indoor unit. “No Installation Kit” ships the units only.
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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 · CONCEALED DUCT
Built for year-round comfort
CH-R28MES-230VO/M12DT+M18DT-NO/NO
System Specs
| Cooling Capacity | 27,000 BTU/h |
|---|---|
| Heating Capacity | 27,000 BTU/h |
| SEER2 | 25 |
| EER2 | 13 |
| Voltage | 230V |
| Refrigerant | R454B |
|---|---|
| Compressor | Inverter |
| Climate Range | -13–122°F / -13–75°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 |
Product Description
The Cooper & Hunter 2-Zone Mini Split System features a 28,000 BTU capacity, two zones, and a built-in Wi-Fi control system for convenient temperature management. It operates efficiently with a SEER2 rating of 25 and uses R454B refrigerant, while maintaining heating performance down to -13°F ambient temperatures.
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 MES 28,000 BTU Outdoor Condenser, 230V, R454B - Mini Split Air Conditioner Heat Pump
- Indoor Concealed Duct — CH-RS06-12MDT- MS
- 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-R28MES-230VO
| Model | CH-R28MES-230VO |
|---|---|
| Unit Dimensions (WxDxH) | 37.24 x 16.14 x 31.89 in |
| Net/Gross Weight | 138.89/149.69 lb |
| Packing Dimensions (WxDxH) | 42.91 x 19.68 x 34.84 in |
| Power Supply | 208-230V, 1Ph, 60Hz |
| Maximum Fuse Size | 25 A |
| Min. Circuit Ampacity | 23 A |
| Copper Line Size (Liquid/Gas) | 4x1/4" - 3x3/8"+1x1/2" |
| Noise Level | 61 dB |
| Airflow | 2,130.7 CFM |
| Dehumidification | 1.69 pt/h |
Indoor Unit Specs
| Model | CH-RS18MDT-MS | CH-RS06-12MDT- MS |
|---|---|---|
| Unit Dimensions (WxDxH) | 34.65 x 26.54 x 8.27 in | 27.56 x 19.92 x 7.87 in |
| Net/Gross Weight | 54.45/66.14 lb | 39.46/46.74 lb |
| Packing Dimensions (WxDxH) | 42.13 x 28.54 x 11.02 in | 33.86 x 21.26 x 11.22 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"/1/2" | 1/4"/3/8" |
| Noise Level (Hi/Med/Lo) | 40/39/38 dB | 36/34.5/32.5 dB |
| Dehumidification | 3.53 pt/h | 2.66 pt/h |
| Filter Dimensions | 30.2x7.47 in | 23.3x7.24 in |
| Drain Pipe Diameter | 1" | 1" |
| Controller | wire controller + remote controller available | wire controller + remote controller available |
System Specs
| Cooling — Rated Capacity (Range) | 27,000 Btu/h (7,200–32,000) |
|---|---|
| Heating at 47°F — Rated Capacity (Range) | 27,000 Btu/h (8,400–29,000) |
| Rated Heating at 5°F | 19,000 Btu/h |
| SEER2 / EER2 | 25 / 13 |
| HSPF4 / HSPF5 / COP (47°F) | 9.5 / 7 / 3.8 |
| Outdoor Unit MCA / Max. Fuse | 23 A / 25 A |
| Max. Connectable Indoor Units | 4 |
| Outdoor Noise Level | 61 dB(A) |
| Outdoor Unit Dimensions (W×D×H) | 37.24 × 16.14 × 31.89 in |
| Outdoor Unit Net / Gross Weight | 138.89 / 149.69 lbs |
| Refrigerant Type / Charge | R454B / 84.66 oz |
| Pre-charged Line Length | 100 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
| Specification | CH-RS06MDT-MSCH-RS06-12MDT-MS (Dip Switch 6) | CH-RS09MDT-MSCH-RS06-12MDT-MS (Dip Switch 9) | CH-RS12MDT-MSCH-RS06-12MDT-MS (Dip Switch 12) | CH-RS18MDT-MS | CH-RS24MDT-HS | CH-RS36LCDT-HS | CH-RS48LCDT-HS | CH-RS60LCDT-HS |
|---|---|---|---|---|---|---|---|---|
| Power Supply | 208/230,1, 60 | 208/230,1, 60 | 208/230,1, 60 | 208/230,1, 60 | 208/230,1, 60 | 208/230,1, 60 | 208/230,1, 60 | 208/230,1, 60 |
| Rated Capacity | 6,500/8,000 | 9,000/10,000 | 12,000/12,500 | 17,000/19,000 | 24,000/26,000 | 36,000/42,000 | 48,000/52,000 | 55,000/60,000 |
| Minimum Circuit Ampacity (MCA) | 3 | 3 | 3 | 3 | 3 | 4 | 5 | 5 |
| Max. Fuse | 15 | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Indoor Air Flow (Turbo/Hi/Mi/Lo/Si) CFM | 323.7/264.9/206.0/147.2/117.7 | 323.7/264.9/206.0/147.2/117.7 | 400.2/323.7/264.9/176.6/117.7 | 600.4/559.2/500.3/441.4/NA | 853.5/706.3/618.0/500.3/NA | 1236.1/1059.5/941.8/766.5/NA | 1648.1/1471.5/1294.9/1059.5/NA | 2001.2/1706.9/1412.6/1118.3/NA |
| Indoor Noise Level (Turbo/Hi/Mi/Lo/Si) dB(A) | NA/32.5/30.5/29.5/22 | NA/32.5/31/29.5/23 | NA/36/34.5/32.5/25.5 | NA/40/39/38/32 | NA/40/37/35/29.5 | NA/45/40/34/31 | NA/51/46/42/40 | NA/52/48/42/41 |
| Dimension (WxDxH) inch | 27.56 x 19.92 x 7.87 | 27.56 x 19.92 x 7.87 | 27.56 x 19.92 x 7.87 | 34.65 x 26.54 x 8.27 | 39.37 x 29.53 x 9.65 | 47.24 x 29.53 x 11.81 | 47.24 x 29.53 x 11.81 | 55.12 x 31.50 x 14.96 |
| Packing (WxDxH) inch | 33.86 x 21.26 x 11.22 | 33.86 x 21.26 x 11.22 | 33.86 x 21.26 x 11.22 | 42.13 x 28.54 x 11.02 | 48.23 x 33.86 x 11.97 | 56.10 x 33.86 x 14.13 | 56.10 x 33.86 x 14.13 | 62.99 x 36.02 x 17.52 |
| Net/Gross Weight lbs. | 39.46/46.74 | 39.46/46.74 | 39.46/46.74 | 54.45/66.14 | 80.47/91.93 | 106.26/120.37 | 111.33/124.78 | 161.38/178.13 |
| Room Temperature Cooling °F | 60~90 | 60~90 | 60~90 | 60~90 | 60~90 | 60~90 | 60~90 | 60~90 |
| Room Temperature Heating °F | 32~86 | 32~86 | 32~86 | 32~86 | 32~86 | 32~86 | 32~86 | 32~86 |
| Liquid Side/Gas Side inch | 1/4"/3/8" | 1/4"/3/8" | 1/4"/3/8" | 1/4"/1/2" | 3/8"/5/8" | 3/8"/3/4" | 3/8"/3/4" | 3/8"/3/4" |
Outdoor Regular
| Specification | CH-R28MES-230VOThis model | CH-R18MES-230VO | CH-R36MES-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) | 7,200~32,000 | 5,400~21,600 | 9,000~42,000 | 12,000~55,000 | 19,000~62,000 |
| Cooling Rated Current (A) | 9.2 | 6 | 13.5 | 16.6 | 26.2 |
| EER2 | 13 | 14 | 12 | 12.5 | 10 |
| SEER2 | 25 | 25.1 | 24 | 24 | 22 |
| Heating Rated Capacity (range) (Btu/h) | 8,400~29,000 | 5,700~21,600 | 10,000~42,500 | 13,000~53,000 | 20,000~60,000 |
| Heating Rated Current (A) | 9.2 | 6.8 | 14 | 16.3 | 21 |
| Heating at 47°F COP (W/W) | 3.8 | 3.8 | 3.5 | 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) | 19,000 | 13,500 | 26,000 | 36,000 | 39,000 |
| Minimum Circuit Ampacity (Outdoor unit) (A) | 23 | 16 | 30.5 | 40 | 40 |
| Max. Fuse (Outdoor unit) (A) | 25 | 20 | 35 | 45 | 45 |
| Outdoor Air Flow (Max) (CFM) | 2,130.7 | 1,765.8 | 2,148.4 | 4,502.8 | 4,502.8 |
| Outdoor Noise Level (Sound Pressure) (dB(A)) | 61 | 59.5 | 64.5 | 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) | 138.89/149.69 | 100.53/109.35 | 168.87/180.12 | 222.00/254.19 | 237.88/270.28 |
| Refrigerant Type/Charged (oz) | R454B/84.66 | R454B/61.73 | R454B/120.63 | R454B/148.15 | R454B/151.68 |
| Refrigerant Precharge (ft) | 100 | 75 | 125 | 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) | 4 x 1/4" | 3 x 1/4" | 5 x 1/4" | 6 x 1/4" | 6 x 1/4" |
| Refrigerant Piping Gas Side (inch) | 3 x 3/8" + 1 x 1/2" | 3 x 3/8" | 4 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 selectionCooper & HunterCooper & Hunter 2 Zone 28,000 BTU Ducted Mini Split AC Concealed Duct 12k+18k$3,843.36 |  Cooper & HunterCooper & Hunter 28,000 BTU 2-Zone 6k+6k Concealed Duct, 230V, R454B - Ducted Mini Split Air Conditioner Heat Pump$3,716.64 |  Cooper & HunterCooper & Hunter 3 Zone 28,000 BTU Ducted Mini Split AC Concealed Duct 9k+9k+9k$4,448.16 |  Cooper & HunterCooper & Hunter 28,000 BTU 4-Zone 6k+6k+6k+6k Concealed Duct, 230V, R454B - Ducted Mini Split Air Conditioner Heat Pump$5,179.68 | |
|---|---|---|---|---|
| Cooling Capacity | 28,000 BTU/h | 28,000 BTU/h | 28,000 BTU/h | 28,000 BTU/h |
| SEER2 Rating | 25.0 | 25.0 | 21.0 | 21.0 |
| 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 2 Zone 28,000 BTU mini split cool?
The Cooper & Hunter 2 Zone 28,000 BTU mini split system is designed to effectively cool up to two rooms, with a combination of a 12,000 BTU unit and an 18,000 BTU unit, depending on the specific layout and insulation of your space.
Can I mix BTU sizes in the Cooper & Hunter mini split system?
Yes, the Cooper & Hunter 28,000 BTU mini split allows for mixing BTU sizes across zones, as it includes a 12,000 BTU and an 18,000 BTU unit, providing flexibility to meet the specific cooling needs of different rooms.
Do all zones in the Cooper & Hunter mini split run simultaneously?
In the Cooper & Hunter 2 Zone mini split system, both zones can run simultaneously or independently, allowing you to customize comfort levels in each room based on individual needs.
Is the Cooper & Hunter mini split system more efficient than multiple single-zone units?
The Cooper & Hunter 2 Zone mini split features a high SEER rating of 25.0, which is generally more energy-efficient compared to operating multiple single-zone units, saving you on energy costs while providing effective cooling across two areas.
What warranty does the Cooper & Hunter 2 Zone mini split offer?
The Cooper & Hunter 2 Zone mini split system comes with a comprehensive warranty that includes 5-year parts and 7-year compressor coverage, provided you register the product within 30 days of purchase.
Does the Cooper & Hunter mini split come pre-charged with refrigerant?
Yes, the Cooper & Hunter 2 Zone mini split system is pre-charged with R454B refrigerant for up to 25 ft of line set, making installation easier and ensuring optimal performance right out of the box.
Manufacturer Technical Support
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The Cooper & Hunter 2-Zone Mini Split System features a 28,000 BTU capacity, two zones, and a built-in Wi-Fi control system for convenient temperature management. It operates efficiently with a SEER2 rating of 25 and uses R454B refrigerant, while maintaining heating performance down to -13°F ambient temperatures.
Key Features
- 2-zone system — the CH-R28MES-230VO outdoor unit supports up to 4 independently controlled indoor units; port adapters included, no branch boxes required
- 28,000 BTU nominal system capacity across 2 zones, each on its own remote
- 25 SEER2 inverter efficiency — current R454B generation
- Heat pump — heats down to -13°F outdoor ambient
- R454B refrigerant, factory pre-charged; built-in Wi-Fi control
- Mix any Cooper & Hunter head types — wall mount, ceiling cassette, slim duct, floor/ceiling console