MRCOOL DIY Mini Split – 42,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump, DIY-B-248HP1824
$4,845.00 Original price was: $4,845.00.$4,362.00Current price is: $4,362.00.
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Experience the pinnacle of home climate control with the 4th Generation MRCOOL Mini Split, designed for optimal comfort and efficiency. This comprehensive package features a DIY 48,000 BTU Multi-Zone Condenser along with two Wall Mounted Air Handlers, one 18,000 BTU and one 24,000 BTU, each equipped with enhanced WiFi capabilities for seamless integration into your smart home ecosystem. The inclusion of two remotes ensures convenient operation from anywhere in your space.
Package Includes:
- MRCOOL DIY Multi Zone 5-Zone 48K BTU Condenser (DIY-MULTI5-48HP230C)
- MRCOOL DIY 4th Generation 18K BTU Wall Mount Air Handler (DIY-18-HP-WMAH-230C25)
- MRCOOL DIY 4th Generation 24K BTU Wall Mount Air Handler (DIY-24-HP-WMAH-230C25)
This package does not include linesets, make sure to add them!
Condenser:
- Energy Efficient:Â Achieves an impressive 20.5 SEER efficiency rating when paired with select MRCOOL air handlers, ensuring cost-effective operation.
- Versatile Performance: Capable of delivering heating even in temperatures as low as 5°F, making it suitable for various climates.
- Lifetime Warranty:Â Enjoy peace of mind with the industry’s only limited lifetime compressor warranty, accessible through registration in the MRCOOL Care Program.
Air Handler, 18K BTU:
- Coverage Area:Â Covers up to 750 sq. ft., providing ample comfort for medium-sized spaces.
- Operating Modes:Â Offers multiple modes including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP for versatile climate control.
- Smart Control:Â Easily manage settings using the Smart HVAC app on your Apple or Android smartphone.
- Easy Installation:Â Light and compact design facilitates hassle-free installation on most interior walls with the included mounting plate.
Air Handler, 24K BTU:
- Coverage Area:Â Extends comfort to spaces up to 1000 sq. ft., ideal for larger rooms or open-concept layouts.
- Operating Modes:Â Provides the same versatile functionality as the 18K BTU model for customizable climate control.
- Smart Control:Â Seamlessly integrates with the Smart HVAC app for intuitive operation from your mobile device.
- Simple Installation:Â Like its counterpart, this unit boasts a user-friendly design for straightforward mounting on interior walls.
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Product Overview
 Covers 1750 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 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 Cool Mode – Outdoor Operating Temperature Range 5F ~ 122F Heat Mode – Outdoor Operating Temperature Range 5F ~ 75.2F 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 — 24K BTU Product Dimensions 42.52″W x 8.90″D x 13.19″H Mount Type Wall Cooling Capacity 23,000 BTU Heating Capacity 25,000 BTU Registered Warranty 5 Years Parts Modes Auto – auto selects from Cool, Heat or Fan-Only
Dry – dehumidify
Cool
Heat
Fan Only
Quiet
Sleep -
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.





















