❄️ MRCOOL® DIY® 5th Gen 9K BTU Ductless Mini-Split Heat Pump System
Compact, Smart Comfort for Rooms Up to 400 Sq. Ft. — No HVAC Experience Needed
🔧 Effortless Installation. Reliable Comfort.
Looking for an easy way to heat and cool a bedroom, office, or small living space? The MRCOOL® DIY® 9K BTU Mini-Split makes powerful, energy-efficient comfort simple—with no special tools, no vacuuming, and no professional installation required. This 5th Generation system is ideal for DIYers who want quality results without complexity.
🚫 Say Goodbye To:
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Hot & Cold Spots: These air conditioners have zoned, direct airflow for consistent comfort
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Sky-High Utility Bills: Mr Cool's inverter technology allows for premium energy savings
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Bulky Window Units or Loud Central Systems: Mr Cool units have a quiet, sleek, and modern design
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Costly HVAC Installs: These mini splits are designed for true DIY setup with no special tools required
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Limited Control: Control your climate your way—with remote, smartphone app, or voice commands
✅ Say Hello To:
🧊 Smart, Compact Climate Control
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Comfortably heats and cools spaces up to 400 sq. ft.
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9,000 BTU cooling / 10,000 BTU heating capacity
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SEER2 23.6 | HSPF2 11.5 — optimized for energy efficiency
🛠️ Truly DIY-Friendly
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25-ft QuickConnect® line set is pre-charged with eco-friendly R-454B refrigerant
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Install without vacuum pumps or expensive tools
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DIYPRO® cable replaces conduit, shielding the system from weather and wear
📱 Smart Controls for Maximum Convenience
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Adjust settings with the remote, SmartHVAC app, or voice commands via Alexa and Google Assistant
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Follow Me® auto-adjusts airflow based on your position in the room
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Auto Mode, Dry Mode, Timer, and Auto Restart functions enhance convenience and efficiency
🤫 Ultra-Quiet Operation
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Indoor unit runs as low as 18 dBA — ideal for bedrooms, nurseries, or quiet workspaces
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5 fan speeds with oscillation for complete airflow customization
🌊 Built for Durability
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Gold Fin® condenser coating protects against corrosion in coastal or humid environments
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Industry-best warranty protection:
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Limited Lifetime on compressor
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7 years on compressor
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5 years on parts
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📏 Product Specifications
Air Handler
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Mount Type: Wall-mounted
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Voltage: 115V
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Coverage Area: Up to 400 sq. ft.
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Noise Level: 18 – 43 dBA
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Filter: Reusable
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ENERGY STAR® Certified: Yes
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Dimensions: 31.57” W × 11.69” H × 7.44” D
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Weight: 24.91 lbs
Compressor (Outdoor Unit)
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Compressor Type: DC Inverter Rotary
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Cooling Capacity: 9,000 BTU
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Heating Capacity: 10,000 BTU
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Max Line Set Length: 82 ft
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Refrigerant: R-454B (30.34 oz)
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SEER2: 23.6
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Noise Level: 54 dBA
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ENERGY STAR® Certified: Yes
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Dimensions: 30.12” W × 21.85” H × 11.93” D
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Weight: 83.11 lbs
🏡 Who Is This System Perfect For?
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Small homes, apartments, or guest rooms needing efficient comfort
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DIYers who want to avoid costly HVAC installs
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Homeowners who want smart control with quiet performance
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Anyone seeking an affordable, long-term heating and cooling solution
📦 What’s Included:
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(1) MRCOOL® 9K BTU Indoor Air Handler
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(1) MRCOOL® 9K BTU Outdoor Condenser
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(1) 25-foot QuickConnect® Line Set (Pre-charged)
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DIYPRO® Electrical Cable
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Remote Control
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Installation Accessories & Manuals
🛒 Big comfort comes in small packages.
Order the MRCOOL® DIY® 9K BTU Mini-Split today and enjoy quiet, efficient, room-by-room control—without the cost or complexity of traditional HVAC systems.
Product Specifications
Air Handler Product Specs:
| Feature | Specification |
|---|---|
| Tonnage | 0.75 |
| Voltage (V) | 115 |
| Phase | 1 |
| Cycle | 60 |
| Max Fuse Breaker (A) | 15 |
| Min Circuit Ampacity (A) | 3 |
| Mount Type | Wall |
| Color | White |
| Max Coverage Area | 400 sq. ft. |
| Decibel Rating Low (dBA) | 18 |
| Decibel Rating High (dBA) | 43 |
| Number of Speeds | 5 |
| Oscillation | Yes |
| Liquid Line Size | 1/4 |
| Suction Line Size | 3/8 |
| Filter Type | Reusable |
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | No |
| Fan Only Option | Yes |
| Quiet Mode | Yes |
| Auto Cool | Yes |
| WiFi Compatibility | Yes |
| App Compatibility | Yes |
| Works with iOS | Yes |
| Works with Android | Yes |
| Remote Control Included | Yes |
| UL Listed | Yes |
| ETL Listed | Yes |
| ENERGY STAR Certified | Yes |
| AHRI Certified | Yes |
| Registered Warranty | Extended Limited Lifetime* |
| Base Parts Warranty (Years) | 5 |
| Base Compressor Warranty (Years) | 7 |
| Has Batteries | Yes |
| Contains Electronics | Yes |
| Contains Chemicals | Yes |
| Contains Aerosol | Yes |
| Contains Compressed Gas | Yes |
| Proposition 65 Warning | Yes |
| Net Depth (in) | 7.44 |
| Net Height (in) | 11.69 |
| Net Width (in) | 31.57 |
| Net Weight (lbs) | 24.91 |
| Gross Depth (in) | 16.34 |
| Gross Height (in) | 14.37 |
| Gross Width (in) | 36.02 |
| Gross Weight (lbs) | 35.49 |
| Feature | Specification |
|---|---|
| SEER2 | 23.6 |
| EER2 | 14 |
| HSPF2-4 | 11.5 |
| HSPF2-5 | 8.6 |
| Tonnage | 0.75 |
| Cooling Capacity (BTU) | 9,000 |
| Heating Capacity (BTU) | 10,000 |
| Voltage (V) | 115 |
| Phase | 1 |
| Cycle | 60 |
| Max Fuse Breaker (A) | 20 |
| Min Circuit Ampacity (A) | 18 |
| Color | White |
| Zone Capacity | 1 |
| Refrigerant Type | R-454B |
| Refrigerant Volume (oz) | 30.34 |
| Decibel Rating (dBA) | 54 |
| Inverter | DC |
| Line Set Length (ft) | 25 |
| Max Line Set Length (ft) | 82 |
| Liquid Line Size | 1/4" |
| Suction Line Size | 3/8" |
| Compressor Motor Type | Rotary |
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | No |
| Fan Only Option | Yes |
| Quiet Mode | Yes |
| Auto Cool | Yes |
| WiFi Compatibility | Yes |
| App Compatibility | Yes |
| Works with iOS | Yes |
| Works with Android | Yes |
| UL Listed | Yes |
| ETL Listed | Yes |
| ENERGY STAR Certified | Yes |
| AHRI Certified | Yes |
| Registered Warranty | Extended Limited Lifetime* |
| Base Parts Warranty (Years) | 5 |
| Base Compressor Warranty (Years) | 7 |
| Has Batteries | Yes |
| Contains Electronics | Yes |
| Contains Chemicals | Yes |
| Contains Aerosol | Yes |
| Contains Compressed Gas | Yes |
| Proposition 65 Warning | Yes |
| Net Depth (in) | 11.93 |
| Net Height (in) | 21.85 |
| Net Width (in) | 30.12 |
| Net Weight (lbs) | 83.11 |
| Gross Depth (in) | 16.54 |
| Gross Height (in) | 27.56 |
| Gross Width (in) | 36.22 |
| Gross Weight (lbs) | 65.48 |
