Cooper & Hunter 18,000 BTU Indoor Universal Floor/Ceiling, 230V, R454B - Ductless Mini Split Air Conditioner Heat Pump
Cooper & Hunter7-Yr WarrantySKU: CH-RSH18MFC-NO
Product specifications
- Voltage
- 230V
- SEER
- 23.3
- WiFi
- Included
- Type
- Universal Floor/Ceiling
- 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 · UNIVERSAL FLOOR/CEILING
Built for year-round comfort
CH-RSH18MFC-NO
System Specs
| Cooling Capacity | 18,000 BTU/h |
|---|---|
| SEER2 | 23.3 |
| Voltage | 230V |
| Refrigerant | R454B |
| Compressor | Inverter |
|---|---|
| Sound Level (indoor) | 42.5/39.5/30.5 dB |
| Warranty | 7-Yr Compressor |
Indoor Unit Specs
| Unit Dimensions (WxDxH) | Net / Gross Weight | Remote Control |
|---|---|---|
| 42.05 × 26.57 × 9.25 in | 58.42 / 70.55 lb | Remote controller |
Product Description
The Cooper & Hunter 18,000 BTU universal floor/ceiling is a universal floor/ceiling 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.
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

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-RSH18MFC
| Model | CH-RSH18MFC |
|---|---|
| Unit Dimensions (WxDxH) | 42.05 x 26.57 x 9.25 in |
| Net/Gross Weight | 58.42/70.55 lb |
| Packing Dimensions (WxDxH) | 45.08 x 29.72 x 12.52 in |
| Power Supply | 208-230V, 1Ph, 60Hz |
| Maximum Fuse Size | 15 A |
| Min. Circuit Ampacity | 1.9 A |
| Copper Line Size (Liquid/Gas) | 1/4"/1/2" |
| Noise Level (Hi/Med/Lo) | 42.5/39.5/30.5 dB |
| Dehumidification | 3.66 pt/h |
| Drain Pipe Diameter | 1" |
| Controller | remote controller |
Series Comparison Table
Technical specifications for every model in the series — this product is one of them.
Indoor Model
| Specification | CH-18MSPHFC-230VI | CH-24MSPHFC-230VI | CH-36LCFC/I | CH-48LCFC/I | CH-60LCFC-W |
|---|---|---|---|---|---|
| Power Supply Rated (V, Ph, Hz) | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 | 208/230, 1, 60 |
| Rated Capacity Cooling (Btu/h) | 18,000 | 24,000 | 36,000 | 48,000 | 54,000 |
| Rated Capacity Heating (Btu/h) | 20,000 | 24,000 | 38,000 | 50,000 | 60,000 |
| Minimum Circuit Ampacity (MCA) (A) | 1.9 | 2.5 | 1.9 | 2.3 | 3 |
| Max. Fuse (A) | 15 | 15 | 15 | 15 | 15 |
| Indoor Air Flow (Turbo/Hi/Mi/Lo) (CFM) | 583/548/485/421 | 795/759/708/598 | 1,075/1,036/917/638 | 1,400/1,353/1,118/1,000 | 1,430/1,384/1,029/795 |
| Indoor Noise Level (Hi/Mi/Lo) (dB(A)) | 47/43.5/40.5 | 51/47/42 | 51.5/48.0/40.5 | 55/49.5/44.5 | 55/48/42 |
| Indoor Dimension (WxDxH) (inch) | 42.05x26.57x9.25 | 42.05x26.57x9.25 | 50.59x26.57x9.25 | 64.96x26.57x9.25 | 64.96x26.57x9.25 |
| Indoor Packing (WxDxH) (inch) | 45.08x29.72x12.52 | 45.08x29.72x12.52 | 53.54x29.72x12.52 | 67.91x29.72x12.52 | 67.91x29.72x12.52 |
| Indoor Net/Gross Weight (lbs.) | 57.10/68.34 | 60.63/72.09 | 69/81.57 | 87.74/102.29 | 96.56/111.99 |
| Room Temperature Cooling (°F) | 62~90 | 62~90 | 62~90 | 62~90 | 62~90 |
| Room Temperature Heating (°F) | 32~86 | 32~86 | 32~86 | 32~86 | 32~86 |
| Liquid Side/Gas Side (inch) | 1/4"/1/2" | 3/8"/5/8" | 3/8"/5/8" | 3/8"/5/8" | 3/8"/7/8" |
Outdoor Models 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 | ✔ | ✔ | ✔ | ✔ | ✔ |
Indoor Models Hyper
| Specification | CH-18MSPHFC-230VI | CH-24MSPHFC-230VI | CH-36LCFC/I | CH-48LCFC/I | CH-60LCFC-W |
|---|---|---|---|---|---|
| Power Supply Rated (V, Ph, Hz) | 208/230,1, 60 | 208/230,1, 60 | 208/230,1, 60 | 208/230,1, 60 | 208/230,1, 60 |
| Rated Capacity Cooling (Btu/h) | 17,000 | 24,000 | 36,000 | 48,000 | 55,000 |
| Rated Capacity Heating (Btu/h) | 18,000 | 25,000 | 39,000 | 51,000 | 60,000 |
| Minimum Circuit Ampacity (MCA) (A) | 1.9 | 2.5 | 1.9 | 2.3 | 3 |
| Max. Fuse (A) | 15 | 15 | 15 | 15 | 15 |
| Indoor Air Flow (Turbo/Hi/Mi/Lo) (CFM) | 583/548/485/421 | 795/759/708/598 | 1,075/1,036/917/638 | 1,400/1,353/ 1,118/1,000 | 1,430/1,384/1,029/795 |
| Indoor Noise Level (Hi/Mi/Lo) (dB(A)) | 45.5/43/39 | 51/47.5/42 | 52.5/48.5/42.5 | 55/50/44 | 54/47/44 |
| Indoor Dimension (WxDxH) (inch) | 42.05x26.57x9.25 | 42.05x26.57x9.25 | 50.59x26.57x9.25 | 64.96x26.57x9.25 | 64.96x26.57x9.25 |
| 45.08×29.72x12.52 | 45.08x29.72x12.52 | 53.54x29.72x12.52 | 67.91x29.72x12.52 | 67.91x29.72x12.52 | |
| Indoor Net/Gross Weight (lbs.) | 57.10/68.34 | 60.63/72.09 | 69/81.57 | 87.74/102.29 | 96.56/111.99 |
| Room Temperature (°F) | Cooling: 62~90 | Cooling: 62~90 | Cooling: 62~90 | Cooling: 62 ~ 90 | Cooling: 62~ 90 |
| Heating: 32~86 | Heating: 32~86 | Heating: 32~86 | Heating: 32~86 | Heating: 32~86 | |
| Liquid Side/Gas Side (inch) | 1/4"/1/2" | 3/8"/5/8" | 3/8"/5/8" | 3/8"/5/8" | 3/8"/7/8" |
Outdoor Models 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?
For a room size coverage of up to 850 sq ft, the Cooper & Hunter 18,000 BTU mini split is ideal. This unit provides efficient heating and cooling for larger spaces.
How much does a mini split system cost?
The price of the Cooper & Hunter ductless mini split air conditioner varies based on installation kits, which range from 16ft to 50ft. Ensure you factor in installation costs if you are not using a DIY approach.
Can I install a mini split myself?
While some homeowners may attempt a DIY installation, it is important to note that the Cooper & Hunter unit requires professional expertise to ensure proper setup and efficiency. Improper installation can void the warranty.
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. Always check the refrigerant levels after installation for optimal performance.
What warranty does Cooper & Hunter offer?
The Cooper & Hunter system comes with a 5-year parts warranty and a 7-year compressor warranty, provided registration is completed within 30 days of purchase. This warranty ensures peace of mind with your investment.
What is the SEER rating of this mini split and why is it important?
The Cooper & Hunter ductless mini split has a SEER rating of 23.3, indicating high energy efficiency. A higher SEER rating means 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 18,000 BTU universal floor/ceiling is a universal floor/ceiling 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
- Universal Floor/Ceiling 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.

