MRCOOL DIY Mini Split – 18,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump with 25 ft. and 50 ft. Install Kit, DIYM218HPW00C10
$3,302.00 Original price was: $3,302.00.$3,002.00Current price is: $3,002.00.
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Introducing the 4th Generation MRCOOL Mini Split, a comprehensive solution designed to effectively cool and heat two distinct rooms. This package includes the following components: a DIY 18,000 BTU Multi-Zone Condenser, two 9,000 BTU Wall Mounted Air Handlers, two remotes, and installation kits measuring 25 ft. and 50 ft. One of the standout features of this system is its DIY installation capability. Enhanced Wi-Fi technology streamlines the setup process, making it not only quick but also adaptable for installation in virtually any location without the need for specialized tools or costly equipment.
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 Wi-Fi, SKU: DIY-09-HP-WMAH-230C25 (x2)
- MRCOOL 25ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, SKU: DIY25-1412
- MRCOOL DIY 50ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation, SKU: DIY50-1412C
Condenser
- Energy Efficient: This 2-Zone condenser, when combined with compatible MRCOOL air handlers, boasts an impressive 21 SEER efficiency rating.
- Works in All Environments: Capable of providing heat even in temperatures as low as 5°F.
- Lifetime Warranty: Enjoy peace of mind with the only condenser on the market that offers a limited lifetime compressor warranty. Simply register for the MRCOOL Care Program to activate the lifetime warranty!
Air Handler, 9K BTU, Quantity: 2
- Large Coverage Area: Each handler is designed to cover an area of up to 375 sq. ft.
- Versatile Operation: Equipped with multiple modes, including COOL, HEAT, AUTO, DRY (dehumidification), and SLEEP.
- User-Friendly Control: Easily manage your system using your Apple or Android smartphone with the Smart HVAC app.
- Convenient Installation: Its lightweight and compact design allows for straightforward installation on most interior walls using the included mounting plate.
Line Set, 25 ft., Quantity: 1
- This 25 ft. copper line set serves to connect the MRCOOL Condenser to the MRCOOL Air Handlers. Each indoor unit in a multi-zone system requires one line set to function effectively.
- Pre-Charged: The line sets are pre-charged with the precise amount of R-410A refrigerant for optimal performance.
- DIY & Cost-Effective: This feature allows for installation without the need for a certified technician, helping you save on service costs!
Line Set, 50 ft., Quantity: 1
- This 50 ft. copper line set connects the 4th Generation MRCOOL DIY Condenser to the MRCOOL DIY Air Handlers (9K, 12K, and 18K).
- Pre-Charged: Like the 25 ft. line set, these are also pre-charged with R-410A refrigerant for efficient operation.
- DIY & Cost-Effective: Installation can be completed without hiring a certified technician, saving you valuable resources!
Additional Line Sets & Coupler
Should the standard line set lengths not meet your specific requirements, additional line sets are available for purchase. A coupler kit is also necessary for connecting two standard line sets together.
What Does This Package Include?
This comprehensive package also features installation-friendly tools: mounting plate (for the air handlers), anchors, mounting plate screws, remote control, fixing screw for remote controller holder (optional), remote control holder (optional), MRCOOL Mini-Stat (optional), MRCOOL Mini-Stat User Manual (optional), magnetic ring (optional), line-set adapter set (included with 4-zone & 5-zone systems only), batteries, air freshening filter, seal (for cooling & heating models), Allen wrench, installation & owner’s manual, remote control manual, smart controller kit, plastic wall sleeve, sound deadening pads, drain pipe, cardboard mounting plate template, quick connect line set (refrigerant pipe), insulation material, non-adhesive UV tape, drain joint, and neoprene.
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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 Min Ambient Cool 5°F ~ 122°F Min Ambient Heat -13°F ~ 75.2°F SEER 21 EER 12.5 Voltage 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
SleepLine Set (25 Feet) Length 25 Feet Liquid Line Size 1/4″ Suction Line Size 1/2″ Line Set (50 Feet) 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.

























