MRCOOL 5th Gen DIY 18K BTU Condenser Applications
- Primary heating and cooling for medium-to-large residential spaces, master suites, or additions between 500 and 700 sq. ft.
- Climate control for home offices, multi-car garages, or spacious workshops.
- Coastal or high-humidity installations requiring the advanced corrosion resistance of Gold Fin® coating.
- System replacements or upgrades demanding the latest environmentally friendly R-454B refrigerant standards.
MRCOOL 5th Gen DIY 18K BTU Condenser Specifications
| SKU | DIY-18-HP-C-230D25-O |
|---|---|
| UPC | 840255586962 |
| Capacity | 18,000 BTU (1.5 Ton) |
| Efficiency Ratings | 22.5 SEER2 / 13.7 EER2 / 11.5 HSPF2-4 |
| Power Supply | 208/230V / 60 Hz / 1-Phase |
| Min Circuit Ampacity / Max Fuse | 18A / 20A |
| Refrigerant Type | R-454B (44.8 oz Volume) |
| Compressor Type | DC Inverter / Rotary |
| Noise Level (Outdoor) | 58.5 dBA |
| Lineset Sizing | 1/4" Liquid / 1/2" Suction (Max Length: 98.4 ft) |
| Net Dimensions (W×H×D) | 35.04" × 26.5" × 13.46" |
| Net Weight | 93.48 lbs |
| Certifications | Energy Star Certified, Intertek, UL Listed, ETL Listed, AHRI Certified |
MRCOOL 5th Gen DIY 18K BTU Condenser Features & Technology
- True DIY Installation: Integrates perfectly with MRCOOL pre-charged Quick Connect® line sets, allowing for safe setup without a vacuum pump.
- Gold Fin® Condenser: Built to withstand the harshest elements, the anti-corrosive coating significantly extends the operational lifespan of the unit, especially near the coast.
- Auto-Restart Function: Automatically retains previous operating settings and seamlessly resumes operation following a power outage.
- Advanced DC Inverter: The variable-speed rotary compressor dynamically adjusts power output to maximize energy efficiency while maintaining exact temperature control.
- DIYPRO® Cable Compatible: Designed to work seamlessly with the 5th Gen DIYPRO® communication cable, eliminating the need for traditional electrical conduit.
Downloads & Documentation
Why Choose the MRCOOL 5th Gen DIY 18K Condenser
- Delivers an incredible 1.5 Tons of heating and cooling power with an ultra-efficient, Energy Star certified 22.5 SEER2 rating.
- Empowers you to completely bypass expensive professional HVAC labor and specialized tools.
- Ensures long-term reliability in harsh climates with heavy-duty Gold Fin® construction.
- Protected by an industry-leading 7-year compressor and 5-year parts warranty.





