MRCOOL DIY Mini Split – 54,000 BTU 2 Zone Ductless Air Conditioner and Heat Pump, DIY-B-248HP1836
$5,198.00 Original price was: $5,198.00.$4,726.00Current price is: $4,726.00.
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The 4th Generation MRCOOL Mini Split is a versatile and energy-efficient HVAC solution that includes a DIY 48,000 BTU Multi-Zone Condenser, one 18,000 BTU Wall Mounted Air Handler, one 36,000 BTU Wall Mounted Air Handler, and two remotes. Designed for easy self-installation, it offers advanced features and performance suitable for various environments.
Package Includes
- MRCOOL DIY Multi-Zone 5-Zone 48K BTU Condenser (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)
Note: This unit does not include line sets. Make sure to add them to your order!
When all air handlers are operated simultaneously, their combined BTU output will not exceed the 48K BTU rating of the condenser.
Condenser Features
- Energy Efficient:Â Capable of producing a 20.5 SEER efficiency rating when paired with select MRCOOL air handlers.
- All-Weather Performance: Continues heating performance at temperatures as low as 5°F.
- Lifetime Warranty:Â Limited lifetime compressor warranty available through the MRCOOL Care Program.
Air Handler (18K BTU) Features
- Coverage Area:Â Effective up to 750 sq. ft.
- Versatile Operation:Â Includes multiple modes such as COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Smart Control:Â Can be controlled via Apple or Android smartphones using the Smart HVAC app.
- Easy Installation:Â Light and compact design with an included mounting plate for simple installation.
Air Handler (36K BTU) Features
- Coverage Area:Â Effective up to 1,500 sq. ft.
- Versatile Operation:Â Includes multiple modes such as COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Smart Control:Â Can be controlled via Apple or Android smartphones using the Smart HVAC app.
- Easy Installation:Â Light and compact design with an included mounting plate for simple installation.
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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 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 — 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
Sleep -
Coverage Area
To determine the appropriate BTU capacity needed to cool or heat an area, please refer to the coverage chart below. This chart provides guidance based on the square footage of the area. Note that additional factors, such as insulation quality, ceiling height, and the number of appliances in the room, can impact the required BTU. For further assistance, contact our Sales Team.
Coverage Chart:
- 180-375 Square Feet:Â 9,000 BTUs
- 376-500 Square Feet:Â 12,000 BTUs
- 501-750 Square Feet:Â 18,000 BTUs
- 751-1,000 Square Feet:Â 24,000 BTUs
- 1,001-1,500 Square Feet:Â 36,000 BTUs
Additional Considerations:
- Insulation quality
- Ceiling height
- Number of appliances in the room
For personalized assistance, please 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.





















