MRCOOL DIY Mini Split – 54,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM248HPW04C32
$7,255.00 Original price was: $7,255.00.$5,804.00Current price is: $5,804.00.
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This 4th Generation MRCOOL Mini Split system provides everything required to efficiently cool and heat two separate rooms. The package includes the DIY 48,000 BTU Multi-Zone Condenser, an 18,000 BTU Wall-Mounted Air Handler, a 36,000 BTU Wall-Mounted Air Handler, two remote controls, and two 50 ft. installation kits. The key feature of this system is its DIY-friendly installation, allowing homeowners to set it up without professional assistance.
Package Includes:
- MRCOOL DIY Multi-Zone 5-Zone Condenser, 4th Gen Series, DIY-MULTI5-48HP230C
- MRCOOL DIY 4th Generation 18K BTU Wall-Mount Air Handler 230 Volt with Enhanced WiFi, DIY-18-HP-WMAH-230C25
- MRCOOL DIY 4th Generation 36K BTU Wall-Mount Air Handler 230 Volt with Enhanced WiFi, DIY-36-HP-WMAH-230C25
- MRCOOL DIY 50ft 3/8 x 5/8 Line Set for DIY 24K & 36K Indoor, 4th Generation, DIY50-3858C
- MRCOOL DIY 50ft 1/4 x 1/2 Line Set for DIY 9K, 12K & 18K Indoor, 4th Generation, DIY50-1412C
When all air handlers are operating simultaneously, the combined BTU output will not exceed the 48K BTU capacity of the condenser, ensuring optimal performance across the system.
Condenser:
- Energy Efficient: The 5-zone condenser, when paired with compatible MRCOOL air handlers, delivers a highly efficient 20.5 SEER rating.
- All-Climate Functionality: The unit heats effectively even in temperatures as low as 5°F.
- Lifetime Warranty: This condenser is the only model on the market to offer a limited lifetime compressor warranty through registration in the MRCOOL Care Program.
Air Handler (18K BTU, Quantity 1):
- Large Coverage: This air handler is ideal for spaces up to 750 sq. ft.
- Versatile Operation: Equipped with various operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Smart Control: Easily manage settings through your Apple or Android smartphone using the Smart HVAC app.
- Simple Installation: Its lightweight and compact design allows for quick and easy mounting on most interior walls using the provided mounting plate.
Air Handler (36K BTU, Quantity 1):
- Large Coverage: Suitable for areas up to 1,500 sq. ft.
- Versatile Operation: Offers the same multi-mode functionality as the 18K BTU model, with COOL, HEAT, AUTO, DRY, and SLEEP settings.
- Smart Control: Control this unit remotely with the Smart HVAC app available for Apple and Android devices.
- Simple Installation: Designed for easy installation with the included mounting plate, this unit is compact and lightweight.
Line Sets (50 ft., Quantity 2):
- Compatibility: These 50 ft. copper line sets are designed to connect the 4th Generation MRCOOL Condenser to air handlers rated for 9K, 12K, and 18K BTU.
- Pre-Charged for Convenience: Each line set comes pre-charged with R-410A refrigerant, eliminating the need for additional charging during installation.
- DIY Installation: The pre-charged design allows for straightforward installation without requiring a certified technician, providing a cost-effective solution for homeowners.
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Product Overview
 Covers 2250 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 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 5°F ~ 122°F Min Ambient Heat 5°F ~ 75.2°F SEER 20.5 EER 11 Voltage Requires a minimum of 208V-230V / 60HZ / 40-60A (please check your home meets this electrical requirement prior to purchase) Registered Warranty 7 Years Replacement on Condenser, 5 Years Parts Air 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
SleepAir Handler — 36K BTU Product Dimensions 49.57″W x 11.10″D x 14.25″H Mount Type Wall Cooling Capacity 36,000 BTU Heating Capacity 36,000 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 3/8″ Suction Line Size 5/8″ Line Set Length 50 Feet Liquid Line Size 1/4″ Suction Line Size 1/2″ -
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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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.























