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Upgrade your home's climate control with the 18k BTU 22.5 SEER2 MRCOOL DIY Ductless Heat Pump Condenser - 5th Generation - with 25 ft Line Set. This advanced system provides exceptional heating and cooling performance year-round, eliminating the discomfort of extreme temperatures. Backed by UL listing and AHRI certification, it’s been rigorously tested to ensure long-term reliability and high efficiency for spaces between 750 to 900 sq ft.
Designed for easy do-it-yourself installation, this condenser comes with a 25 ft pre-charged quick-connect line set, allowing you to install the system without vacuuming or hiring a professional. With step-by-step instructions included, homeowners can confidently set up the unit, saving both time and money while enjoying professional-grade performance.
This 5th Generation MRCOOL DIY Condenser is built to pair with the compatible indoor air handler for optimal temperature control. Use the mobile app or the Follow Me remote feature to adjust settings based on your location. A built-in leak detection system ensures safety, while the corrosion-resistant Gold Fin coating extends the life of the unit. The auto restart function helps restore comfort automatically after power outages, providing reliable operation in any season.
Specifications
| Model | DIY-18-HP-C-230D25-O |
| UPC | 840255586962 |
| AHRI Number | 216032545 |
| Product Height (in) | 26.5 |
| Product Length (in) | 13.46 |
| Product Width (in) | 35.04 |
| Avg Coverage Area | 750 - 900 Sq Ft |
| Compressor | Inverter |
| Cooling Capacity | 1.5 Ton |
| Electrical Phase | 1-Phase |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Suction Line Size | 1/2 inch |
| Max Overcurrent Protection | 20 amps |
| Weight (lbs) | 114.2 |
| Refrigerant | R-454b |
| Cooling Efficiency (SEER2) | 22.5 |
| Series | DIY |
| System Application Type | Ductless Split Systems |
| Voltage | 240 |
| Warranty | 5 Year Parts, 7 Year Compressor |
Resources
- DIY5 Quick Start Guide (PDF)
- DIY5 Single Zone Customer Brochure (PDF)
- DIY5 Single Zone Installation Manual (PDF)
- DIY5 Warranty Sheet (PDF)
What's Included
- MRCOOL DIY-18-HP-C-230D25-O
- Owner Manual
- Lifetime Tech Support
Warranty
- 5-Year Parts Warranty
- 7-Year Compressor Warranty






