The MRCOOL DIY 18K BTU 5th Generation Mini-Split Complete System is the ultimate HVAC upgrade for homeowners who want professional-grade climate control without the cost or complexity of traditional installation. This all-in-one kit includes:
- ✅ Indoor Air Handler (DIY-18-HP-WMAH-230D25-O)
- ✅ Outdoor Condenser (DIY-18-HP-C-230D25-O)
- ✅ 25ft. Pre-Charged QuickConnect® Line Set
- ✅ DIYPRO® Cable for Enhanced Protection
- ✅ Remote Control + SmartHVAC App Compatibility
Whether you’re upgrading a garage, bonus room, or primary living space, this system is designed for DIY installation—no vacuum pump, no licensed technician, no hassle.
🔧 Key Features
- DIY Installation – Vacuum-free setup with pre-charged R-454B refrigerant line set.
- Smart Control – Adjust settings via remote, SmartHVAC app, Alexa, or Google Assistant.
- Energy Efficiency – 22.5 SEER rating, Energy Star certified, and 230V operation.
- Quiet Comfort – Sleep Mode, low ambient cooling (down to 5°F), and anti-mildew function.
- Durability – Gold Fin® coating resists corrosion, ideal for coastal or humid climates.
- Auto Restart – Recovers previous settings after power outages.
- Coverage Area – Ideal for rooms 500–750 sq. ft.
⚠️ This complete system includes everything needed for installation except basic tools. No HVAC license required.