MRCOOL DIY Mini Split – 18,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump, DIY-BC-218HP0909
$4,098.00 Original price was: $4,098.00.$3,726.00Current price is: $3,726.00.
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Experience the convenience and efficiency of the 4th Generation MRCOOL Mini Split system, featuring a DIY 18,000 BTU Multi-Zone Condenser and two 9,000 BTU Ceiling Cassette Air Handlers with remotes. What sets this system apart is its user-friendly installation process, allowing you to set it up yourself.
Package Includes:
- MRCOOL DIY Multi-Zone 2-Zone 18K BTU Condenser, 4th Gen Series, DIY-MULTI2-18HP230C
- MRCOOL DIY Series 9K BTU Ceiling Cassette, DIYCASSETTE09HP-230C25 (x2)Â (Linesets not included)
Condenser:
- Energy Efficient: Capable of achieving an impressive 21 SEER efficiency rating when paired with select MRCOOL air handlers.
- All-Weather Performance: Maintains heating capabilities even in temperatures as low as -13°F.
- Lifetime Warranty: Exclusive limited lifetime compressor warranty available through registration in the MRCOOL Care Program, offering peace of mind.
Air Handler, 9K BTU, Quantity 2:
- Spacious Coverage: Each handler can effectively cover an area of up to 375 sq. ft.
- Versatile Operation: Equipped with multiple modes including COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
- Discreet Installation: Low profile design ensures the unit remains out of sight during heating and cooling.
- Easy Maintenance: Convenient access to air filters facilitated by the Elevation function on the remote controller or smart controller, allowing for hassle-free cleaning.
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Product Overview
 Covers 750 sq. ft.      Â
 DIY Installation
  Ceiling 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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Specifications and Dimensions
Condenser Product Dimensions 35.04″ W x 13.46″ D x 26.50″ H Cooling Capacity 18,000 BTU Heating Capacity 19,000 BTU Zone Capacity 2 Cool Mode – Outdoor Operating Temperature Range 5°F ~ 122°F Heat Mode – Outdoor Operating Temperature Range -13°F ~ 75.2°F SEER 21 EER 12.5 Voltage 208V-230V / 60HZ / 18-25A 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 from Cool, Heat or Fan-Only
Dry – dehumidify
Cool
Heat
Fan Only
Quiet
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Coverage Area
When considering the cooling or heating requirements for your space, it’s essential to refer to our coverage chart to determine the appropriate number of BTUs needed. Here’s a breakdown based on square footage:
- 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 various factors, such as insulation, ceiling height, and the presence of appliances, can impact performance. For personalized assistance, feel free to 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.



















