Cooper & Hunter 18,000 BTU Indoor One-Way Cassette, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump
Cooper & Hunter7-Yr WarrantySKU: CH-RSH18MCT1W-NO
Product specifications
- Voltage
- 230V
- SEER
- 24.0
- WiFi
- Not Included
- Type
- One-Way Cassette
- Freon
R454B
Choose Your Configuration
“No Installation Kit” ships the units only.
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Ships from the nearest of our three US warehouses, leaves in 1–2 business days. Shipping policy
COOPER & HUNTER · ONE-WAY CASSETTE
Built for year-round comfort
CH-RSH18MCT1W-NO
System Specs
| Cooling Capacity | 18,000 BTU/h |
|---|---|
| SEER2 | 24.0 |
| Voltage | 230V |
| Refrigerant | R454B |
| Compressor | Inverter |
|---|---|
| Sound Level (indoor) | 44/41.5/31 dB |
| Warranty | 7-Yr Compressor |
Indoor Unit Specs
| Unit Dimensions (WxDxH) | Net / Gross Weight | Remote Control |
|---|---|---|
| 50.31 × 13.19 × 8.98 in | 45.19 / 82.45 lb | Wire controller + remote controller available |
Product Description
The Cooper & Hunter 18,000 BTU one-way ceiling cassette is a one-way ceiling cassette indoor unit for Cooper & Hunter ductless mini split systems, running on R454B refrigerant. It mounts in a single room or zone and is controlled independently with its included remote — pair it with a compatible outdoor condenser to complete your system.
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.
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
Indoor Unit Specs— CH-RSH18MCT1W
| Model | CH-RSH18MCT1W |
|---|---|
| Unit Dimensions (WxDxH) | 50.31 x 13.19 x 8.98 in |
| Net/Gross Weight | 45.19/82.45 lb |
| Packing Dimensions (WxDxH) | 57.60 x 22.48 x 22.64 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) | 44/41.5/31 dB |
| Dehumidification | 4.33 pt/h |
| Drain Pipe Diameter | 3/4" |
| Controller | wire controller + remote controller available |
Series Comparison Table
Technical specifications for every model in the series — this product is one of them.
Indoor Model
| Specification | CH-06MCT1W-230VICH-06MCT1W-W* | CH-09MCT1W-230VICH-09MCT1W-W* | CH-12MCT1W-230VICH-12MCT1W-W* | CH-18MCT1W-230VICH-18MCT1W-W* | CH-09MCT1W-230VICH-09MCT1W-W* | CH-12MCT1W-230VICH-12MCT1W-W* | CH-18MCT1W-230VICH-18MCT1W-W* |
|---|---|---|---|---|---|---|---|
| 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 | 208/230, 1, 60 | 208/230, 1, 60 |
| Cooling Rated Capacity (Btu/h) | 6,500 | 9,000 | 12,000 | 16,700 | 9,000 | 12,000 | 18,000 |
| Heating Rated Capacity (Btu/h) | 7,100 | 10,900 | 12,500 | 20,000 | 11,000 | 12,500 | 19,000 |
| Minimum Circuit Ampacity (MCA) (A) | 3 | 3 | 3 | 3 | 3 | 3 | 3 |
| Max. Fuse (A) | 15 | 15 | 15 | 15 | 15 | 15 | 15 |
| Indoor Air Flow (Turbo/Hi/Mi/Lo) (CFM) | 341/294/258/235 | 341/294/258/235 | 352/311/282/247 | 400/351/300/207 | 341/294/258/235 | 353/312/282/247 | 400/352/300/207 |
| Indoor Noise Level (Hi/Mi/Lo) (dB(A)) | 37.5/35.5/32.5 | 37.5/35.5/31 | 38.5/37/32.5 | 44/40.5/35 | 38/36/33 | 40.5/38.5/34.5 | 44/41/34 |
| Dimension (WxDxH) (inch) | 50.31x13.19x8.98 | 50.31x13.19x8.98 | 50.31x13.19x8.98 | 50.31x13.19x8.98 | 50.31x13.19x8.98 | 50.31x13.19x8.98 | 50.31x13.19x8.98 |
| Packing (WxDxH) (inch) | 57.60x22.48x22.64 | 57.60x22.48x22.64 | 57.60x22.48x22.64 | 57.60x22.48x22.64 | 57.60x22.48x22.64 | 57.60x22.48x22.64 | 57.60x22.48x22.64 |
| Net/Gross Weight (lbs.) | 43.87/81.35 | 43.87/81.35 | 45.19/82.89 | 45.19/82.89 | 43.87/81.35 | 45.19/82.89 | 45.19/82.89 |
| Room Temperature Cooling (°F) | 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 |
| Liquid Side / Gas Side (inch) | 1/4" / 3/8" | 1/4" / 3/8" | 1/4" / 1/2" | 1/4" / 1/2" | 1/4" / 3/8" | 1/4" / 1/2" | 1/4" / 1/2" |
Outdoor Regular
| Specification | CH-R18MES-230VO | CH-R28MES-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) | 5,400~21,600 | 7,200~32,000 | 9,000~42,000 | 12,000~55,000 | 19,000~62,000 |
| Cooling Rated Current (A) | 6 | 9.2 | 13.5 | 16.6 | 26.2 |
| EER2 | 14 | 13 | 12 | 12.5 | 10 |
| SEER2 | 25.1 | 25 | 24 | 24 | 22 |
| Heating Rated Capacity (range) (Btu/h) | 5,700~21,600 | 8,400~29,000 | 10,000~42,500 | 13,000~53,000 | 20,000~60,000 |
| Heating Rated Current (A) | 6.8 | 9.2 | 14 | 16.3 | 21 |
| Heating at 47°F COP (W/W) | 3.8 | 3.8 | 3.5 | 3.8 | 3.7 |
| HSPF4 | 9.8 | 9.5 | 9.5 | 10.3 | 9.5 |
| HSPF5 | 7.8 | 7 | 7 | 8 | 7.4 |
| Heating at 5°F Rated Capacity (Btu/h) | 13,500 | 19,000 | 26,000 | 36,000 | 39,000 |
| Minimum Circuit Ampacity (Outdoor unit) (A) | 16 | 23 | 30.5 | 40 | 40 |
| Max. Fuse (Outdoor unit) (A) | 20 | 25 | 35 | 45 | 45 |
| Outdoor Air Flow (Max) (CFM) | 1,765.8 | 2,130.7 | 2,148.4 | 4,502.8 | 4,502.8 |
| Outdoor Noise Level (Sound Pressure) (dB(A)) | 59.5 | 61 | 64.5 | 63 | 65 |
| Dimension (W×D×H) (inch) | 35.04x13.46x26.50 | 37.24x16.14x31.89 | 37.24x16.14x31.89 | 37.48x16.34x52.48 | 37.48x16.34x52.48 |
| Packing (W×D×H) (inch) | 40.55x17.24x29.53 | 42.91x19.68x34.84 | 42.91x19.68x34.84 | 43.11x19.49x58.27 | 43.11x19.49x58.27 |
| Net/Gross Weight (lbs) | 100.53/109.35 | 138.89/149.69 | 168.87/180.12 | 222.00/254.19 | 237.88/270.28 |
| Refrigerant Type/Charged (oz) | R454B/61.73 | R454B/84.66 | R454B/120.63 | R454B/148.15 | R454B/151.68 |
| Refrigerant Precharge (ft) | 75 | 100 | 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) | 3 x 1/4" | 4 x 1/4" | 5 x 1/4" | 6 x 1/4" | 6 x 1/4" |
| Refrigerant Piping Gas Side (inch) | 3 x 3/8" | 3 x 3/8" + 1 x 1/2" | 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) | 196.8 | 262.4 | 262.4 | 262.4 | 262.4 |
| Max. Length for One Indoor Unit (ft) | 98.4 | 114.8 | 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 | ✓ | ✓ | ✓ | ✓ | ✓ |
Frequently asked questions.
What size mini split do I need for my room?
To effectively cool or heat a space up to 850 sq ft, the Cooper & Hunter 18,000 BTU indoor one-way cassette is an ideal choice. This unit provides sufficient capacity for larger rooms or open areas.
Can I install a mini split myself?
While it is possible to install the Cooper & Hunter mini split yourself, professional installation is recommended to ensure optimal performance. The unit operates on 230V and requires proper handling of refrigerant, especially since it is designed for up to 25 ft of line set.
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 easier. This feature helps streamline the setup process, but ensure you follow installation guidelines.
What warranty does the Cooper & Hunter mini split offer?
The Cooper & Hunter 18,000 BTU mini split comes with a 5-year parts and a 7-year compressor warranty, provided you register within 30 days of installation. This warranty ensures peace of mind for your investment.
What SEER rating do I need for energy efficiency?
The Cooper & Hunter mini split boasts a 24.0 SEER rating, which is excellent for energy efficiency. For climates with high cooling demands, a SEER rating of 16 or higher is recommended, making this unit a top choice.
Is the Cooper & Hunter mini split good for heating in cold weather?
Yes, the Cooper & Hunter 18,000 BTU unit is designed to provide reliable heating even in colder temperatures. With its efficient R454B refrigerant and high SEER rating, it performs well during winter months.
Manufacturer Technical Support
Reach your brand's tech support team directly
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The Cooper & Hunter 18,000 BTU one-way ceiling cassette is a one-way ceiling cassette indoor unit for Cooper & Hunter ductless mini split systems, running on R454B refrigerant. It mounts in a single room or zone and is controlled independently with its included remote — pair it with a compatible outdoor condenser to complete your system.
Key Features
- One-Way Ceiling Cassette indoor unit for Cooper & Hunter multi-zone / single-zone systems
- 18,000 BTU nominal capacity
- Individually controlled with included remote — set its own temperature per room
- R454B refrigerant
- Inverter heat pump — cools and heats when paired with a compatible condenser
Works With
Connects to a compatible Cooper & Hunter outdoor condenser (multi-zone or single-zone), sold separately. Choose a copper line-set kit length at checkout, or supply your own.