MRCOOL DIY Mini Split – 21,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM218HPW01C22
$3,926.00 Original price was: $3,926.00.$3,414.00Current price is: $3,414.00.
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Introducing the 4th Generation MRCOOL Mini Split System, designed to effectively cool and heat two separate rooms. This comprehensive package includes everything you need for a seamless installation: a DIY 18,000 BTU Multi-Zone Condenser, a 9,000 BTU Wall Mounted Air Handler, a 12,000 BTU Wall Mounted Air Handler, two remotes, and two 50 ft. installation kits. Remarkably, you can carry out the installation yourself!
Package Includes:
- MRCOOL DIY Multi-Zone 2-Zone Condenser, 4th Gen Series, SKU: DIY-MULTI2-18HP230C
- MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, SKU: DIY-09-HP-WMAH-230C25
- MRCOOL DIY 4th Generation 12K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, SKU: DIY-12-HP-WMAH-230C25
- MRCOOL DIY 50ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation, SKU: DIY50-1412C (x2)
It is important to note that when all air handlers operate simultaneously, their cumulative BTU output will not exceed the BTU rating of the condenser. Thus, the total BTU output of the air handlers will remain within the 18K BTU capacity of the condenser.
Condenser:
- Energy Efficient:Â This 2 Zone condenser achieves an impressive 21 SEER efficiency rating when paired with compatible MRCOOL air handlers.
- Works In All Environments: It maintains heating capabilities even in temperatures as low as -13°F.
- Lifetime Warranty:Â Enjoy peace of mind with a limited lifetime compressor warranty, exclusive to this condenser. Simply register for the MRCOOL Care Program to activate your lifetime warranty!
Air Handler, 9K BTU, Quantity 1:
- Large Coverage Area:Â This handler effectively covers an area of up to 375 sq. ft.
- Versatile:Â It features multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Easy to Control:Â Control the unit effortlessly using your Apple or Android smartphone with the Smart HVAC app.
- Convenient Installation:Â Its lightweight and compact design allows for easy installation on most interior walls using the included mounting plate.
Air Handler, 12K BTU, Quantity 1:
- Large Coverage Area:Â This handler effectively covers an area of up to 500 sq. ft.
- Versatile:Â It features multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Easy to Control:Â Control the unit effortlessly using your Apple or Android smartphone with the Smart HVAC app.
- Convenient Installation:Â Its lightweight and compact design allows for easy installation on most interior walls using the included mounting plate.
Line Set 50 ft., Quantity 2:
- This 50 ft. copper line set connects the 4th Generation MRCOOL Condenser to the MRCOOL Air Handlers – 9K, 12K, and 18K.
- Pre-Charged:Â These line sets are pre-charged with the precise amount of R-410A refrigerant.
- DIY & Save Money:Â This feature enables you to install the system without needing to hire a certified technician, allowing you to save on installation costs!
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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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What's Included
Air Handler

Condenser

Line Set

Wall Sleeve

Communication Wire

Remote Control
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Specifications and Dimensions
Condenser Specifications 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 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
SleepLine Set Length 50 Feet Liquid Line Size 1/4″ Suction Line Size 1/2″ -
Coverage Area
Looking for the ideal cooling or heating solution for your space? Look no further. Our product provides efficient comfort tailored to your needs. Simply refer to our coverage chart to determine the appropriate BTUs required for your area:
- 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
Remember, factors like insulation, ceiling height, and appliance count may influence performance. For personalized guidance, don’t hesitate to reach out to our knowledgeable 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.

























