MRCOOL DIY Mini Split - 18,000 BTU Dual Zone Ductless Air Conditioner and Heat Pump, DIY-B-218HP0909
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Product Overview
| Feature | Details |
|---|---|
| Zones | 2 |
| Installation Type | DIY (Do-It-Yourself) |
| Voltage | 208–230V |
| Outdoor Operating Temp (Cool) | 5°F to 122°F |
| Outdoor Operating Temp (Heat) | -13°F to 75.2°F |
Energy-Efficient, DIY-Ready Comfort for Every Season
Upgrade your home’s heating and cooling with the MRCOOL DIY 18,000 BTU 2-Zone Mini Split System, part of the highly rated 4th Generation DIY series. Engineered for homeowners who want reliable, energy-efficient comfort without the cost of professional installation, this system delivers powerful dual-zone climate control for bedrooms, garages, offices, workshops, and more.
True DIY Installation – No HVAC License Required
Thanks to MRCOOL’s patented Pre-Charged Quick Connect Line Set, installation is fast, clean, and entirely DIY-friendly. The system arrives pre-charged with R-410A refrigerant, eliminating the need for gauges, vacuum pumps, or special tools. Just connect the line sets, tighten the fittings, and you're ready to go.
System Overview
Outdoor Condenser – 18,000 BTU
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High Efficiency Performance: Save on energy bills with up to 21.2 SEER2 and 8.6 HSPF-5 ratings.
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Weather-Resistant Build: Features Gold Fin coating for corrosion resistance, ideal for coastal and humid environments.
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Cold Climate Heating: Provides reliable heat even in freezing temperatures down to -13°F.
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Quiet Operation: Designed for low-noise performance without sacrificing power.
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Warranty: Includes a 7-year compressor and 5-year parts warranty for peace of mind.
Two Wall-Mounted Air Handlers – 9,000 BTU Each
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Multiple Comfort Modes: Choose from Cool, Heat, Auto, Dry, and Sleep settings for year-round flexibility.
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Room Coverage: Each unit is ideal for spaces between 180 and 375 square feet.
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Smart Control Options: Compatible with the SmartHVAC app, Amazon Alexa, and Google Assistant for remote access and automation.
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Sleek and Quiet: Compact, modern design with whisper-quiet operation.
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Simple Mounting: Lightweight units are easy to install with minimal effort.
What's Included
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(1) 18,000 BTU Condenser
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(2) 9,000 BTU Air Handlers
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(2) Remote Controls
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(2) Wall Sleeves
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Communication Wires
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Drain Hose Pipes
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Wi-Fi Dongles
Recommended BTU by Room Size
| BTU Capacity | Recommended Room Size (Sq. Ft.) |
|---|---|
| 9,000 BTU | 180 – 375 sq. ft. |
| 12,000 BTU | 376 – 500 sq. ft. |
| 18,000 BTU | 501 – 750 sq. ft. |
| 24,000 BTU | 751 – 1,000 sq. ft. |
| 36,000 BTU | 1,001 – 1,500 sq. ft. |
Note: Actual performance may vary depending on room insulation, ceiling height, number of windows, climate zone, and heat-generating appliances.
Specifications
Outdoor Condenser Specifications
| Specification | Details |
|---|---|
| Unit Dimensions (W x D x H) | 35.04" x 13.46" x 26.50" |
| Cooling Capacity | 18,000 BTU |
| Heating Capacity | 19,000 BTU |
| Supported Zones | 2 Zones |
| Cooling Temperature Range (Outdoor) | 5°F to 122°F |
| Heating Temperature Range (Outdoor) | -13°F to 75.2°F |
| Seasonal Energy Efficiency Ratio (SEER) | 21 |
| Energy Efficiency Ratio (EER) | 12.5 |
| Electrical Requirements | 208–230V / 60Hz / 18–25 Amps |
| Compressor Warranty | 7-Year Limited Warranty (registration required) |
| Parts Warranty | 5-Year Limited Warranty |
Indoor Air Handler Specifications (Per 9K BTU Unit)
| Specification | Details |
|---|---|
| Unit Dimensions (W x D x H) | 31.57" x 7.44" x 11.69" |
| Mounting Type | Wall-Mounted |
| Cooling Capacity | 9,000 BTU |
| Heating Capacity | 9,000 BTU |
| Operating Modes | Auto, Cool, Heat, Dry, Fan-Only, Sleep, Quiet |
| Control Type | Wireless Remote + Smart App Compatibility |
| Parts Warranty | 5-Year Limited Warranty |
Electrical & Model Information
| Model Number | DIY-MULTI2-18HP230C |
|---|---|
| System Type | 18,000 BTU Dual-Zone Condenser |
| Total Cooling Output | 18,000 BTU |
| Power Supply Requirements | 208–230V, 60Hz, Single Phase |
| Minimum Circuit Ampacity | 18.0 Amps |
| Maximum Overcurrent Protection | 25.0 Amps (Breaker Size) |
Istallations & Manuals
MRCOOL DIY Mini Split - 18,000 BTU Dual Zone Ductless Air Conditioner and Heat Pump, DIY-B-218HP0909 Review Summary
What people like
Pros
- Easy Installation: The system is designed for DIY installation with pre-charged lines and instructional resources.
- Effective Cooling/Heating: Customers report satisfaction with the unit's ability to effectively cool and heat spaces.
- Cost Savings: DIY installation can save on professional installation fees.
- Smart Features: The unit's smart features provide convenient control and monitoring.
- Quiet Operation: Many users mention the system operates quietly.
