MRCOOL DIY Mini Split – 18,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 25 and 50 ft. Install Kit, DIYM218HPC00C10
$5,814.00 Original price was: $5,814.00.$4,472.00Current price is: $4,472.00.
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The 4th Generation MRCOOL DIY Mini Split System provides an all-in-one solution for heating and cooling your home, office, or other spaces. The package includes an 18,000 BTU Multi-Zone Condenser, two 9,000 BTU Ceiling Cassette Air Handlers, along with a remote, pre-charged linesets, and communication wires for each air handler. The most notable feature is its user-friendly installation process, allowing you to set it up without the need for a professional HVAC technician or specialized equipment.
System Components:
- MRCOOL DIY Multi-Zone 2-Zone 18K BTU Condenser (4th Gen Series, DIY-MULTI2-18HP230C)
- MRCOOL DIY Series 9K BTU Ceiling Cassette (DIYCASSETTE09HP-230C25) – 2 units
- MRCOOL 25ft 1/4 x 1/2 Pre-Charged Lineset (DIY25-1412) – Suitable for DIY 9K, 12K & 18K indoor units
- MRCOOL 50ft 1/4 x 1/2 Pre-Charged Lineset (4th Generation, DIY50-1412C)
Key Features:
Condenser (18K BTU)
- High Efficiency: This condenser offers an exceptional SEER2 efficiency rating of 21.2, qualifying for substantial energy savings and tax rebates.
- Operates in Extreme Conditions: Capable of heating even at temperatures as low as -13°F.
- Reliable Warranty: Backed by a 7-year warranty on the compressor and a 5-year warranty on parts. For those seeking extended protection, registering with the MRCOOL Care Program extends the compressor warranty to a lifetime.
Air Handler (9K BTU)
- Wide Coverage: Each ceiling cassette can effectively serve areas ranging from 180 to 375 square feet.
- Multiple Operating Modes: The system offers versatility with modes including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP, ensuring optimal comfort in any setting.
- Sleek Design: The low-profile installation is ideal for discreet heating and cooling, blending seamlessly into your space.
- Simple Installation: Engineered for easy mounting between joists on 16″ centers, including pre-manufactured I-joists.
- Convenient Maintenance: The Elevation function allows for easy lowering of the filter panel, simplifying air filter maintenance.
Pre-Charged Line Set
- Factory Pre-Charged: Pre-filled with the precise amount of R-410A refrigerant, these linesets are ready for installation.
- DIY Installation: Eliminate the need for a certified technician, making the installation process cost-effective and straightforward.
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Product Overview
 Covers 750 sq. ft.      Â
 DIY Installation
  Ceiling Mounted       Â
  Number of Zones: 2
 Voltage: 208 to 230     Â
 Outdoor Operating Temp (Cool): 5°F to 122°F
 Outdoor Operating Temp (Heat): 5°F to 75.2°F
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What's Included
Air Handler

Condenser

Line Set

Wall Sleeve

Communication Wire

Remote Control

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Specifications and Dimensions
Condenser Product Dimensions 35.04″ W x 13.46″ D x 26.50″ H Cooling Capacity 18,000 BTU Heating Capacity 19,000 BTU Zone Capacity 2 Cool Mode – Outdoor Operating Temperature Range 5°F ~ 122°F Heat Mode – Outdoor Operating Temperature Range -13°F ~ 75.2°F SEER2 21.2 EER2 12.5 HSPF2 9.6 Voltage 208V-230V / 60HZ / 18-25A Registered Warranty 7 Years Replacement on Condenser, 5 Years Parts Air Handler 9K BTU Product Dimensions 50.31″ W x 13.19″ D x 8.98″ H Mount Type Ceiling Cassette Cooling Capacity 9,000 BTU Heating Capacity 9,000 BTU Registered Warranty 5 Years Parts Modes Auto (Auto selects Cool, Heat or Fan-Only)
Cool
Heat
Dry
Fan Only
SleepLine Set Length 25 Feet Liquid Line Size 1/4″ Suction Line Size 1/2″ Line Set Length 50 Feet Liquid Line Size 1/4″ Suction Line Size 1/2″ -
Coverage Area
When considering the cooling or heating requirements for your space, it’s essential to refer to our coverage chart to determine the appropriate number of BTUs needed. Here’s a breakdown based on square footage:
- Square Feet: 180-375 | BTU = 9K
- Square Feet: 376-500 | BTU = 12K
- Square Feet: 501-750 | BTU = 18K
- Square Feet: 751-1,000 | BTU = 24K
- Square Feet: 1,001-1,500 | BTU = 36K
Keep in mind that various factors, such as insulation, ceiling height, and the presence of appliances, can impact performance. For personalized assistance, feel free to reach out to our Sales Team.
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Handling Line Sets
When installing your MRCOOL system, handle refrigerant lines carefully to ensure optimal performance and prevent damage.
Bending the Copper Lines: Maintain a minimum 4-inch bend radius and use smooth curves instead of sharp angles to protect the lines and ensure proper refrigerant flow.
Avoid Repeated Bending: Bending copper lines more than three times can harden and weaken them, increasing the risk of breakage. Handle with care and minimize adjustments.
For best results, use gradual bends and consult a licensed professional or our support team if needed.

























