MRCOOL DIY 5th Gen 9000 BTU Single Zone Energy Star Mini-Split Air Handler 115V with DIYPRO Cable – Heats & Cools Up to 400 Sq. Ft., DIY-09-HP-WMAH-115D25-O
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| Product Overview | Details |
|---|---|
| Coverage Area | Up to 350 sq ft |
| Installation | DIY-friendly setup |
| Energy Efficiency | ENERGY STAR Certified |
| Voltage | 115V |
MRCOOL® DIY® 9,000 BTU 5th Gen Ductless Mini-Split Heat Pump – Single Zone
The MRCOOL® DIY® 9,000 BTU 5th Generation Ductless Mini-Split Heat Pump is a powerful, energy-efficient HVAC solution for heating and cooling rooms up to 400 sq. ft. Designed for easy DIY installation, it’s ideal for bedrooms, home offices, basements, garages, and more. No professional tools, vacuum pump, or HVAC license required.
Key Features
DIY Installation
Install it yourself with confidence—no prior experience needed. The included 25-foot DIY® QuickConnect® line set comes pre-charged with R-454B refrigerant, so there's no need to vacuum the system.
DIYPRO® Cable
Replaces traditional electrical conduit, providing enhanced protection against outdoor elements and wildlife.
Environmentally Friendly Refrigerant
Uses R-454B refrigerant, which has a lower Global Warming Potential (GWP) than R-410A—better for the environment and your energy bill.
Smart Control Options
Manage your system anytime, anywhere with the wireless remote, the SmartHVAC app (for Apple and Android), or voice commands via Amazon Alexa and Google Assistant.
Follow Me Function
Automatically adjusts temperature based on the remote’s location for consistent comfort throughout the room.
Dry Mode
Acts as a dehumidifier, removing excess moisture to improve indoor air quality.
Gold Fin® Condenser
Corrosion-resistant finish provides long-term durability, especially in coastal or humid environments.
Certified Quality
Certified by Intertek (Listing #5031495) for reliable safety, performance, and product quality.
Industry-Leading Warranty
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Limited Lifetime Warranty on the registered system
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7-Year Compressor Warranty
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5-Year Parts Warranty
Why Choose the MRCOOL® 9K BTU DIY® Mini-Split?
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True DIY-friendly installation
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Energy-efficient heating and cooling
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Smart home integration with Alexa & Google Assistant
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No professional HVAC technician needed
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Ideal for year-round comfort in spaces up to 400 sq. ft.
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Great for homeowners, renters, and remodels
Specifications
Technical Specifications
| Specification | Details |
|---|---|
| System Tonnage | 0.75 Tons |
| Voltage | 115V |
| Phase | Single Phase |
| Frequency | 60 Hz |
| Maximum Fuse/Breaker Size | 15 Amps |
| Minimum Circuit Ampacity | 3 Amps |
| Mount Type | Wall-Mounted |
| Color | White |
| Maximum Coverage Area | Up to 400 Sq. Ft. |
| Sound Level (Low) | 18 dBA |
| Sound Level (High) | 43 dBA |
| Fan Speeds | 5-Speed Fan |
| Oscillation Function | Yes |
| Liquid Line Size | 1/4 Inch |
| Suction Line Size | 3/8 Inch |
| Filter Type | Washable & Reusable |
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | No |
| Fan-Only Mode | Yes |
| Quiet Operation Mode | Yes |
| Auto Cooling Mode | Yes |
| Wi-Fi Enabled | Yes |
| Mobile App Compatible | Yes |
| iOS Compatible | Yes |
| Android Compatible | Yes |
| Remote Control Included | Yes |
| UL Certified | Yes |
| ETL Listed | Yes |
| Energy Star Certified | Yes |
| AHRI Certified | Yes |
| Registered Warranty | Extended Limited Lifetime* |
| Base Parts Warranty | 5 Years |
| Base Compressor Warranty | 7 Years |
Additional Information
| Attribute | Details |
|---|---|
| Batteries Included | Yes |
| Contains Electronics | Yes |
| Contains Chemicals | Yes |
| Contains Aerosol | Yes |
| Contains Compressed Gas | Yes |
| Proposition 65 Warning | Yes (California Residents) |
Unit Dimensions
| Type | Width (in) | Depth (in) | Height (in) | Weight (lbs) |
|---|---|---|---|---|
| Net (Installed) | 31.57 | 7.44 | 11.69 | 24.91 |
| Gross (Packaged) | 36.02 | 16.34 | 14.37 | — |
| Feature | Description |
|---|---|
| Intertek Listing | Listed under Intertek number 5031495 |
| Installation | Easy DIY installation |
| Future-Proof Cabling | Comes with DIYPro® cable – no electrical conduit needed |
| Follow Me® Function | Remote tracks temperature around you for personalized comfort |
| Smart Home Compatibility | MRCOOL® Smart HVAC Controller® Module & App support Google Assistant & Amazon Alexa |
Installations & Manuals
MRCOOL DIY Series 5 Brochure (PDF)
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.
