MRCOOL DIY 5th Gen 2-Zone 12,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged 35ft. Line Sets (6K+6K), DIYM218HPC00D11
$6,478.75 Original price was: $6,478.75.$5,183.00Current price is: $5,183.00.
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Take full control of your indoor climate with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System – a cost-effective and straightforward solution for achieving powerful, energy-efficient heating and cooling without professional installation.
- Two Rooms, Customized Comfort: Effectively heat or cool two separate areas up to 200 sq. ft. each, with independent temperature settings tailored to individual preferences.
- DIY Made Simple: Eliminate costly installation fees – no HVAC certification or specialized equipment needed. If you’re comfortable with standard hand tools, you can handle the setup yourself.
- Efficiency That Pays Off: Offering up to 23.9 SEER2 cooling efficiency and 10 HSPF2-4heating capability, this system is designed to maximize energy savings throughout the year.
- Dependable in Every Season: Engineered for reliability, it maintains strong heating performance even in temperatures as low as -13°F.
- Comprehensive Warranty Coverage: Protected by a 7-Year Compressor Warranty and 5-Year Parts Warranty for peace of mind.
From peak summer heat to extreme winter cold, the MRCOOL DIY Mini Split provides consistent comfort while helping you keep utility costs under control. Practical. Reliable. Efficient.
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Product Overview
 Covers 875 sq. ft.      Â
 DIY Installation
 Wall 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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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 5F ~ 122F Heat Mode – Outdoor Operating Temperature Range -13F ~ 75.2F SEER 21 EER 12.5 Voltage Requires a minimum of 208V-230V/60HZ/18-25A (please check your home meets this electrical requirement prior to purchase) Registered Warranty 7 Years Replacement on Condenser, 5 Years Parts Air Handler 9K BTU Product Dimensions 31.57″W x 7.44″D x 11.69″H Mount Type Wall Cooling Capacity 9,000 BTU Heating Capacity 9,000 BTU Registered Warranty 5 Years Parts Modes Auto – auto selects from Cool, Heat or Fan-Only
Dry – dehumidify
Cool
Heat
Fan Only
Quiet
SleepAir Handler 12K BTU Product Dimensions 31.57″W x 7.44″D x 11.69″H Mount Type Wall Cooling Capacity 12,000 BTU Heating Capacity 12,000 BTU Registered Warranty 5 Years Parts Modes Auto – auto selects from Cool, Heat or Fan-Only
Dry – dehumidify
Cool
Heat
Fan Only
Quiet
Sleep -
Coverage Area
Please refer to the coverage chart below to determine the required BTUs for cooling or heating your desired area:
- Square Feet: 180-375 | BTU: 9K (SKU: 12345)
- Square Feet: 376-500 | BTU: 12K (SKU: 12346)
- Square Feet: 501-750 | BTU: 18K (SKU: 12347)
- Square Feet: 751-1,000 | BTU: 24K (SKU: 12348)
- Square Feet: 1,001-1,500 | BTU: 36K (SKU: 12349)
Please note that additional factors such as insulation, ceiling height, and the number of appliances in the room may affect performance. For further assistance, please contact our Sales Team.
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Information and Guides
Installation Manual
Product Brochure
Performance Specifications
Warranty
Energy Guide
AHRI Certificate -
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.



















