MRCOOL DIY Mini Split – 48,000 BTU 4 Zone Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM448HPW03C194
$8,704.00 Original price was: $8,704.00.$7,048.00Current price is: $7,048.00.
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Introducing the 4th Generation MRCOOL Mini Split, a comprehensive solution designed to effortlessly cool and heat up to four separate rooms. Included in this package are the following components:
- MRCOOL DIY Multi Zone 5-Zone Condenser, 4th Gen Series (SKU: DIY-MULTI5-48HP230C)
- MRCOOL DIY 4th Generation 12K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi (SKU: DIY-12-HP-WMAH-230C25) – quantity: 4
- MRCOOL DIY 50ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation (SKU: DIY50-1412C) – quantity: 4
Condenser
- Energy Efficiency: This 5-zone condenser, when combined with select MRCOOL air handlers, achieves an impressive 20.5 SEER efficiency rating.
- All-Weather Performance: Capable of heating even in temperatures as low as 5°F.Introducing the 4th Generation MRCOOL Mini Split, an all-inclusive solution designed to efficiently cool and heat four separate rooms. This comprehensive package comprises a DIY 48,000 BTU Multi-Zone Condenser, complemented by two 9,000 BTU Wall Mounted Air Handlers, one 12,000 BTU Wall Mounted Air Handler, and one 18,000 BTU Wall Mounted Air Handler. Additionally, the package includes four remotes and four 50 ft. Installation Kits, empowering you to embark on the installation process independently.Included in the Package:
- MRCOOL DIY Multi Zone 5-Zone Condenser, 4th Gen Series, SKU: DIY-MULTI5-48HP230C
- MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, SKU: DIY-09-HP-WMAH-230C25 (x2)
- MRCOOL DIY 4th Generation 12K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, SKU: DIY-12-HP-WMAH-230C25
- MRCOOL DIY 4th Generation 18K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, SKU: DIY-18-HP-WMAH-230C25
- MRCOOL DIY 50ft 1/4 x 1/2 Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation, SKU: DIY50-1412C (x4)
Condenser Features:
- Energy Efficient: Achieves an impressive 20.5 SEER efficiency rating when paired with select MRCOOL air handlers.
- Versatility: Functions effectively in all environments, including temperatures as low as 5°F.
- Lifetime Warranty: Exclusive to this condenser, it comes with a limited lifetime compressor warranty. Simply register into the MRCOOL Care Program to avail of this lifetime warranty.
Air Handler (9K BTU, Quantity 2):
- Wide Coverage: Capable of covering an area up to 375 sq. ft.
- Versatile Operations: Offers multiple operating modes including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Smart Control: Easily controllable via your Apple or Android smartphone through the Smart HVAC app.
- Hassle-free Installation: Its lightweight and compact design facilitate easy installation on most interior walls using the provided mounting plate.
Air Handler (12K BTU, Quantity 1):
- Large Coverage Area: Covers up to 500 sq. ft.
- Versatility: Equipped with various operating modes for customized comfort.
- Smart Control: Compatible with the Smart HVAC app for convenient management.
- Effortless Installation: Designed for straightforward installation on interior walls.
Air Handler (18K BTU, Quantity 1):
- Extensive Coverage: Suitable for areas up to 750 sq. ft.
- Versatility: Offers a range of operating modes to adapt to different needs.
- Smart Control: Seamlessly integrates with the Smart HVAC app for remote control.
- Simple Installation: Designed for hassle-free installation on interior walls.
Line Set 50 ft., Quantity 4:
- Pre-Charged: Comes pre-charged with the precise amount of R-410A refrigerant.
- DIY Installation: Enables installation without the need for professional assistance, ensuring cost savings.
- Lifetime Warranty: Enjoy peace of mind with the industry’s sole condenser offering a limited lifetime compressor warranty. Simply register for the MRCOOL Care Program to activate this lifetime coverage.
Air Handler, 12K BTU (Quantity: 4)
- Extensive Coverage: Each air handler can cover an area of up to 500 sq. ft.
- Versatility: Equipped with multiple operating modes including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Smart Control: Control your system conveniently through your Apple or Android smartphone using the Smart HVAC app.
- Easy Installation: With its lightweight and compact design, mounting to most interior walls is a breeze.
Line Set, 50 ft. (Quantity: 4)
- Seamless Connection: These copper line sets effortlessly connect the 4th Generation MRCOOL DIY Condenser to the air handlers.
- Pre-Charged: Each line set comes pre-charged with the precise amount of R-410A refrigerant.
- DIY Installation: Eliminate the need for a certified technician, saving both time and money.
Additional Line Sets & Coupler
Should the default line set lengths prove insufficient for your needs, additional line sets are available for purchase along with a coupler kit to connect two standard line sets.
In addition to the core components, this package also includes a range of installation-friendly tools such as mounting plates, screws, remotes, and manuals. With the MRCOOL Mini Split, enjoy efficient climate control tailored to your unique requirements.
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Product Overview
 Covers 2000 sq. ft.      Â
 DIY Installation
 Wall Mounted         Â
  Number of Zones: 3
 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 37.48″W x 16.34″D x 52.48″H Cooling Capacity 48,000 BTU Heating Capacity 48,000 BTU Zone Capacity 5 Min Ambient Cool 5F ~ 122F Min Ambient Heat 5F ~ 75.2F SEER 20.5 EER 11 Voltage Requires a minimum of 208V-230V / 60HZ / 40-60A 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
SleepAir Handler — 18K BTU Product Dimensions 42.52″W x 8.90″D x 13.19″H Mount Type Wall Cooling Capacity 18,000 BTU Heating Capacity 18,000 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 purchase of our cooling or heating system, it’s essential to determine the appropriate BTU output based on the square footage of your space. Please refer to the following coverage chart for guidance:
- 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 additional factors, such as insulation quality, ceiling height, and the presence of appliances, can influence performance. For personalized assistance in selecting the optimal solution for your needs, don’t hesitate to reach out to our experienced 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.

























