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Cooper&Hunter 18,000 BTU, 1.5 TON, One Way Ceiling Cassette, Air Conditioning Unit for Heat Pump, Mini Split Inverter System, 22.2 SEER, R454B, 208/230V, Installation Kit Option, CH-RSH18MCT1W + CH-RES18-230V0
Summary
The Cooper&Hunter One-Way Ceiling Cassette offers unparalleled installation flexibility, making it the ideal choice for smaller spaces like homes, additions, conversions, or closets. Designed to provide precise directional cooling and heating, this unit allows customized settings tailored to the specific needs of your space. Measuring just 13.19 inches in width and 9 inches in depth, the One-Way Cassette fits snugly between structural ceiling beams and requires only 3-inch holes for conduits, ensuring a sleek and seamless installation.
Available in capacities of 6K, 9K, 12K, and 18K BTU/h, this model is compatible with both single and multi-zone applications. The discreet one-way airflow design seamlessly blends into any interior decor, providing a minimalist aesthetic while ensuring optimal air distribution throughout the room.
The Cooper&Hunter 18,000 BTU One-Way Ceiling Cassette Ductless Min
Sizing and Compatability:
The capacity and number of systems can vary for each outdoor unit. Consult the combination chart for potential loading configurations. Ensure the total capacity of all connected indoor units aligns with the minimum and maximum loading range of the selected outdoor unit. It is not mandatory to utilize all circuits on an outdoor unit; some circuits may remain sealed without an attached indoor unit.
Our sales team meticulously reviews every order and will promptly contact you to make any necessary adjustments. For guidance in selecting the correct combination of indoor units, please contact us directly or refer to the Combination Chart provided above or located in the Custom tab.
Warranty
- 7 year compressor limited warranty
- 5 year parts limited warranty (must be installed by a licensed HVAC technician)
- 1 year remote control
One-Way Cassette Standard Units
Capacity | Standard Models (One-Way Cassette) | HYPER Models (One-Way Cassette) | Voltage |
---|---|---|---|
6,000 BTU | CH-RSH06-12MCT1W (Dip Switch 6) + CH-RES06-230VO | CH-RSH06-12MCT1W (Dip Switch 6) + CH-RHP06F9-230VO | 230V |
9,000 BTU | CH-RSH06-12MCT1W (Dip Switch 9) + CH-RES09-230VO | CH-RSH06-12MCT1W (Dip Switch 9) + CH-RHP09-230VO | 230V |
12,000 BTU | CH-RSH06-12MCT1W (Dip Switch 12) + CH-RES12-230VO | CH-RSH06-12MCT1W (Dip Switch 12) + CH-RHP12-230VO | 230V |
18,000 BTU | CH-RSH18MCT1W + CH-RES18-230VO | CH-RSH18MCT1W + CH-RHP18-230VO | 230V |
Technical Information
Indoor Model Number: CH-RSH18MCT1W
Outdoor Model Number: CH-RES18-230V0
Outdoor Model | CH-RES18-230V0 | ||
Power Supply
|
Rated | V, Ph, Hz | 208/230.1.60 |
Voltage Range | V | 187-253 | |
Cooling
|
Rated Capacity (Range) | Btu/h | 4,000-18,800 |
Rated Current | A | 6.4 | |
EER2 | Btu/h | 12.5 | |
SEER2 | Btu/h | 22.2 | |
Heating at 47°F
|
Rated Capacity (Range) | Btu/h | 7,600-22,800 |
Rated Current | A | 7.1 | |
COP | W/W | 3.3 | |
HSPF4 | 12.2 | ||
HSPF5 | 8.6 | ||
Minimum Circuit Ampacity | A | 18 | |
Max. Fuse (Outdoor Unit) | A | 20 | |
Outdoor Air Flow (Max.) | CFM | 1765.8 | |
Outdoor Noise Level (Sound Pressure) | dB(A) | 57.5 | |
Dimension (W×D×H) | inch | 35.04x13.46x26.50 | |
Packing (W×D×H) | inch | 39.17x15.67x29.13 | |
Net/Gross Weight | lbs. | 92.59/100.31 | |
Refrigerant Type / Charge | oz. | R4548/47.97 | |
Refrigerant Precharge Length | ft. | 25 | |
Additional Charge for Each ft. | oz/ft | 0.16 | |
Design Pressure | PSIG | 550/340 | |
Refrigerant Piping Liquid Side/Gas Side | inch | 1/4"/1/2" | |
Max. Pipe Length | ft. | 98.4 | |
Max. Difference in Level | ft. | 65.6 | |
Ambient Temperature
|
Cooling | °F | -13-122 |
Heating | °F | -13-75 | |
Certifications
|
ETL | TRUE | |
AHRI | TRUE | ||
Energy Star for Cold Climate
|
TRUE | ||
NEEP | TRUE |
Certifications![]()
Performance Data/Features
- Unparalleled installation flexibility for smaller spaces
- Precise directional cooling and heating
- Fits snugly between structural ceiling beams (13.19" width, 9" depth)
- Discreet one-way airflow design for optimal air distribution
- Capacities available: 6K, 9K, 12K, and 18K BTU/h
- Heat Pump with Smart Wall Thermostat ready with downloadable Cooper&Hunter App
- Remote Control Included
- Heating capable down to -13°F (Standard) / -22°F (Hyper Units)
- Whisper Technology for quiet operation
- ETL Intertek Approved, AHRI Certified
Manuals & Downloads
Brackets and Concrete Pads
-
18"x40"x4" Plastic Equipment Mounting Pads – Lightweight, Durable Base for HVAC Units & Outdoor Installations
Regular price $69.00Sale price $69.00 Regular priceUnit price perSold out -
Heavy-Duty Mini Split Ground Stand with Load Capacity up to 500LBS, Condenser Bracket for 9000-36000 BTU Ductless Air Conditioners and Heat Pump, Inverter Systems
Regular price $129.99Sale price $129.99 Regular priceUnit price per -
Heavy-Duty Mini Split Ground Stand with Load Capacity up to 770LBS, Condenser Bracket for 9000-60000 BTU Ductless Air Conditioners and Heat Pumps, Inverter Systems
Regular price $169.99Sale price $169.99 Regular priceUnit price perSold out -
Heavy-Duty Mini Split Wall Bracket with Load Capacity up to 480LBS, Condenser Bracket for High BTU Ductless Air Conditioners and Heat Pump, Inverter Systems
Regular price $59.97Sale price $59.97 Regular priceUnit price per -
Mini Split Compressor Bracket for 6,000 - 28,000 BTU
Regular price $39.97Sale price $39.97 Regular priceUnit price per
Line covers
-
12FT PVC Decorative Line Set Cover Kit for Ductless Mini Split Air Conditioners, Heat Pumps, and Inverters systems.
Regular price $73.00Sale price $73.00 Regular priceUnit price per -
16.5FT Brown PVC Decorative Line Set Cover Kit for Ductless Mini Split Air Conditioners, Heat Pumps, and Inverters systems.
Regular price $89.00Sale price $89.00 Regular priceUnit price per
We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24–48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map

IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
SMS Delivery Notifications
If you opted into SMS notifications, we may send you order updates or delivery reminders by text message. Message frequency may vary. Message and data rates may apply. Text STOP to opt out. Text HELP for assistance.
For more details, see our Privacy Policy.
Cooper & Hunter
DETAILED PRODUCT BOOKLETS FOR THIS PRODUCT:
Olivia Series Booklet
Multi-Zone Booklet
Specification Table
Quick-Start Guide
Installation Manual
General Manufacturing Information
Rebates




