MRCOOL DIY Mini Split – 27,000 BTU 3 Zone Ductless Air Conditioner and Heat Pump, DIY-B-336HP090909
$3,995.00 Original price was: $3,995.00.$3,433.00Current price is: $3,433.00.
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This 4th Generation MRCOOL Mini Split system includes a DIY 36,000 BTU Multi-Zone Condenser, three 9,000 BTU Wall Mounted Air Handlers, and three remotes. The most appealing feature is that you can install it yourself!
Package Includes:
- MRCOOL DIY Multi-Zone 4-Zone 36K BTU Condenser, 4th Gen Series, DIY-MULTI4-36HP230C
- MRCOOL DIY 4th Generation 9K BTU Wall Mount Air Handler 230 Volt with Enhanced WiFi, DIY-09-HP-WMAH-230C25 (x3)
Please note: This package does not include linesets. Remember to scroll up and add them!
Condenser
- Energy Efficient:Â This 4-zone condenser, when paired with select MRCOOL air handlers, achieves an impressive 21.5 SEER efficiency rating.
- Works in All Environments: Capable of maintaining heating performance even when temperatures reach -13°F.
- Lifetime Warranty:Â For added peace of mind, this is the only condenser on the market with a limited lifetime compressor warranty. Simply register with the MRCOOL Care Program to receive the lifetime warranty!
Air Handler, 9K BTU, Quantity 3
- Large Coverage Area:Â Each handler covers an area up to 375 sq. ft.
- Versatile:Â Incredibly versatile and equipped with multiple operating modes, including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Easy to Control:Â This unit can be controlled by your Apple or Android smartphone through the Smart HVAC app.
- Convenient Installation:Â With its light and compact design, it can be easily installed on most interior walls using the included mounting plate.
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Product Overview
 Covers 1125 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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Specifications and Dimensions
Condenser Product Dimensions 37.24″W x 16.14″D x 31.89″H Cooling Capacity 36,000 BTU Heating Capacity 36,000 BTU Zone Capacity 4 Cool Mode – Outdoor Operating Temperature Range 5F ~ 122F Heat Mode – Outdoor Operating Temperature Range -13F ~ 75.2F SEER 21.5 EER 10.5 Voltage Requires a minimum of 208V-230V/60HZ/27-45A (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 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
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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.























