MRCOOL DIY Mini Split – 42,000 BTU 4 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with 50 ft. Install Kit, DIYM448HPC02C194
$12,950.00 Original price was: $12,950.00.$9,592.00Current price is: $9,592.00.
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This comprehensive package includes everything you need to efficiently cool and heat your home, office, or other spaces. Included in this bundle are: a 48K BTU Multi-Zone Condenser, two 9K BTU Ceiling Cassette Air Handlers, two 12K BTU Ceiling Cassette Air Handlers, along with a remote control, linesets, and communication wires for each air handler. The standout feature of this system is its DIY installation capability, allowing you to set it up without the need for expensive HVAC technicians or specialized equipment.
Mini Split System Includes:
- MRCOOL DIY Multi Zone 5-Zone 48K BTU Condenser, 4th Gen Series – SKU: DIY-MULTI5-48HP230C
- MRCOOL DIY Series 9K BTU Ceiling Cassette (x2)Â – SKU: DIYCASSETTE09HP-230C25
- MRCOOL DIY Series 12K BTU Ceiling Cassette (x2)Â – SKU: DIYCASSETTE12HP-230C25
- MRCOOL 50ft 1/4 x 1/2 Pre-Charged Lineset for DIY 9K, 12K & 18K Indoor, 4th Generation (x4)Â – SKU: DIY50-1412C
Condenser – 48K BTU
- Energy Efficient:Â This 48K BTU condenser achieves an impressive 20.5 SEER2 efficiency rating, qualifying it for significant energy or tax rebates.
- Works in Extreme Temperatures: Capable of heating even when temperatures drop to -5°F.
- Cool and Heat Worry-Free:Â Comes with a 7-year compressor and a 5-year parts warranty. For lifetime coverage on the compressor, simply register in the MRCOOL Care Program.
Air Handler – 9K BTU
- Vast Coverage Area:Â This unit covers areas between 180 to 375 sq. ft.
- Versatile:Â Features multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Out of Sight Design:Â Low profile installation ensures discreet heating and cooling.
- Worry-Free Installation:Â Easily installable between all types of joists on 16″ centers, including pre-manufactured I-joists.
- Easy Air Filter Access:Â The Elevation function allows the filter panel to lower for easy maintenance.
Air Handler – 12K BTU
- Vast Coverage Area:Â This unit covers areas between 250 to 500 sq. ft.
- Versatile:Â Features multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Out of Sight Design:Â Low profile installation ensures discreet heating and cooling.
- Worry-Free Installation:Â Easily installable between all types of joists on 16″ centers, including pre-manufactured I-joists.
- Easy Air Filter Access:Â The Elevation function allows the filter panel to lower for easy maintenance.
Line Set
- Pre-Charged:Â These line sets come pre-charged with the precise amount of R-410A refrigerant.
- DIY & Save Money:Â The installation process can be completed without a certified technician, resulting in significant cost savings.
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Product Overview
 Covers 1750 sq. ft.      Â
 DIY Installation
  Ceiling Mounted       Â
  Number of Zones: 4
 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 5°F ~ 122°F Heat Mode – Outdoor Operating Temperature Range 5°F ~ 75.2°F SEER2 20.50 EER2 11 HSPF2 9.2 Voltage Requires a minimum of 208V-230V/60HZ/18-25A (please check your home meets this electrical requirement prior to purchase) Registered Warranty 7 Years Replacement on Condenser, 5 Years Parts Air Handler 9K BTU Product Dimensions 50.31″W x 13.19″D x 8.98″H Mount Type Ceiling Cassette Cooling Capacity 9,000 BTU Heating Capacity 9,000 BTU Registered Warranty 5 Years Parts Modes Auto (Auto selects Cool, Heat or Fan-Only)
Cool
Heat
Dry
Fan Only
SleepAir Handler 12K BTU Product Dimensions 50.31″W x 13.19″D x 8.98″H Mount Type Ceiling Cassette Cooling Capacity 12,000 BTU Heating Capacity 12,000 BTU Registered Warranty 5 Years Parts Modes Auto (Auto selects Cool, Heat or Fan-Only)
Cool
Heat
Dry
Fan Only
SleepAir Handler 18K BTU Product Dimensions 50.31″W x 13.19″D x 8.98″H Mount Type Ceiling Cassette Cooling Capacity 18,000 BTU Heating Capacity 18,000 BTU Registered Warranty 5 Years Parts Modes Auto (Auto selects Cool, Heat or Fan-Only)
Cool
Heat
Dry
Fan Only
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.























