- Description
- Resources
- Specifications
Looking for an easy and affordable way to install your own HVAC system? The MrCool DIY 5th Generation 18k BTU 22.5 SEER2 Ductless Mini Split Heat Pump & Air Conditioner is the ultimate solution for homeowners who want professional-grade climate control—without the need for professional installation.
DIY Installation Made Simple
Designed with simplicity and safety in mind, this system requires no special tools, HVAC experience, or professional assistance. The included pre-charged 25-foot Quick Connect™ line set is filled with R-454B refrigerant, a chlorine-free, eco-friendly option that eliminates the need for vacuuming during setup. The DIYPRO™ cable adds an extra layer of protection from weather, pets, and landscaping equipment—no electrical conduit required.
Powerful Climate Control for Medium Spaces
This 18,000 BTU system is ideal for heating and cooling areas between 750 to 900 square feet, making it perfect for living rooms, large bedrooms, home offices, or garage conversions. Its 22.5 SEER2 rating ensures superior energy efficiency, helping you save on energy bills year-round.
Smart HVAC at Your Fingertips
Enjoy total climate control from anywhere:
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Remote control included
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SmartHVAC app for iOS and Android
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Compatible with Amazon Alexa and Google Assistant for hands-free operation
Engineered to Withstand Harsh Conditions
Live near the coast? No problem. The Gold Fin® Condenser offers exceptional resistance to corrosion, extending the life of your unit even in salty, humid environments.
Energy-Efficient, Feature-Rich Operation
Maximize comfort and efficiency with features including:
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Timer Mode to control operation duration
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Auto Mode for consistent, hands-off temperature regulation
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Auto Restart after power outages
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Anti-Mildew Function to reduce moisture and prevent mold in the air handler
Industry-Leading Warranty for Peace of Mind
Enjoy the best warranty coverage in the industry:
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Limited Lifetime Warranty
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7-Year Compressor Warranty
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5-Year Parts Warranty
Upgrade your home comfort with the MrCool DIY Mini Split 5th Gen 18k BTU System—the most user-friendly and reliable ductless HVAC system on the market today.
| Model | DIY-18-HP-WM-230D25-O |
|---|---|
| UPC | 840255588553 |
| AHRI Number | 216032545 |
| Configuration | Wall Mounted |
| Bundle Avg Coverage Area | 750 - 900 Sq Ft |
| Bundle Cooling Capacity | 1.5 Ton |
| Bundle Cooling Efficiency (SEER2) | 22.5 |
| Heat Pump Efficiency (HSPF2) | 11.5 |
| Series | DIY |
| Zones | 1 |
| Popular Applications | Game Room, Garage, Guest Room, Man Cave, Server Room, Sunroom |
| Region Compatibility | Nationwide |
| California Residents | see Prop 65 WARNING |
DIY-18-HP-C-230D25-O Specifications:
| Model | DIY-18-HP-C-230D25-O |
|---|---|
| UPC | 840255586962 |
| AHRI Number | 216032545 |
| Product Height (in) | 26.5 |
| Avg Coverage Area | 750 - 900 Sq Ft |
| Product Length (in) | 13.46 |
| Compressor | Inverter |
| Product Width (in) | 35.04 |
| Cooling Capacity | 1.5 Ton |
| Electrical Phase | 1-Phase |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Max Overcurrent Protection | 20 amps |
| Weight (lbs) | 114.200000 |
| Refrigerant | R-454b |
| Cooling Efficiency (SEER2) | 22.5 |
| Series | DIY |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Voltage | 240 |
| Warranty | 5 Year Parts, 7 Year Compressor |
| Region Compatibility | Nationwide |
DIY-18-HP-WMAH-230D25-O Specifications:
| Model | DIY-18-HP-WMAH-230D25-O |
|---|---|
| UPC | 840255587044 |
| Product Height (in) | 13.19 |
| Configuration | Wall Mounted |
| Product Length (in) | 8.9 |
| Air Flow Direction | Horizontal |
| Product Width (in) | 42.52 |
| Blower Motor | Variable Speed |
| Cooling Capacity | 1.5 Ton |
| Electrical Phase | 1-Phase |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Max Overcurrent Protection | 20 amps |
| Weight (lbs) | 54.010000 |
| Refrigerant | R-454b |
| Series | DIY |
| Suction Line Size | 1/2 inch |
| System Application Type | Ductless Split Systems |
| Voltage | 240 |
| Warranty | 5 Year Parts, 7 Year Compressor |