MRCOOL DIY Mini Split – 18,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM218HPW00C22
$4,102.00 Original price was: $4,102.00.$3,282.00Current price is: $3,282.00.
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Introducing the 4th Generation MRCOOL Mini Split, a comprehensive solution designed to effectively cool and heat two separate rooms. This package includes everything you need: a DIY 18,000 BTU Multi-Zone Condenser, two 9,000 BTU Wall Mounted Air Handlers, two remote controls, and two 50 ft. installation kits. What sets this system apart is its user-friendly installation process, allowing you to manage the setup independently. Enhanced Wi-Fi engineering ensures that installation is not only swift and straightforward but also provides the flexibility to be placed almost anywhere, eliminating 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 WiFi, SKU: DIY-09-HP-WMAH-230C25 (x2)
- MRCOOL DIY 50ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation, SKU: DIY50-1412C (x2)
Condenser
- Energy Efficient:Â This 2 Zone condenser achieves an outstanding SEER efficiency rating of 21 when paired with select MRCOOL air handlers.
- Works in All Environments: Capable of heating in conditions as low as -13°F.
- Lifetime Warranty:Â Enjoy peace of mind with the only condenser available on the market that offers a limited lifetime compressor warranty. Simply register in the MRCOOL Care Program to activate the warranty!
Air Handler, 9K BTU, Quantity 2
- Large Coverage Area:Â Each air handler effectively covers up to 375 sq. ft.
- Versatile:Â This unit is exceptionally adaptable and features multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Easy to Control:Â Control this unit conveniently through your Apple or Android smartphone using the Smart HVAC app.
- Convenient Installation:Â Its lightweight and compact design facilitate easy installation on most interior walls with the provided mounting plate.
Line Set 50 ft., Quantity 2
- This 50 ft. copper line set is designed to connect the 4th Generation MRCOOL DIY Condenser to the MRCOOL DIY Air Handlers, accommodating 9K, 12K, and 18K units.
- Pre-Charged:Â The line sets come pre-charged with the exact amount of R-410A refrigerant.
- DIY & Save Money:Â This feature allows for installation without hiring a certified technician, ultimately saving you money!
Additional Line Sets & Coupler
If the standard line set lengths do not meet your requirements, additional line sets are available for purchase. You will also need a coupler kit to connect two standard line sets together.
What Does This Package Include?
This package is also equipped with installation-friendly tools: a mounting plate (for the air handlers), anchor, mounting plate screws, remote control, fixing screw for the 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 Cool Mode – Outdoor Operating Temperature Range 5°F ~ 122°F Heat Mode – Outdoor Operating Temperature Range -13°F ~ 75.2°F SEER 21 EER 12.5 Voltage Requires a minimum of 208V-230V / 60Hz / 18-25A (please check your home meets this 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
SleepLine 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.

























