MRCOOL
MRCOOL DIY 5th Gen - R454B - 18K Hyper Heat BTU 230V Condenser w/ 25ft Install Kit
DIYHH-18-HP-C-230D25-O
18,000 BTU · 21.2 SEER2 · 208/230V · R-454B
Part of DIY 5th Gen – Condensers
- Cooling capacity
- 18,000 BTU1.5 tons
- Efficiency
- 21.2 SEER211 HSPF2
- Power
- 208/230V25A breaker
- Refrigerant
- R-454B25 ft line set
- Install
- DIYPre-charged, no vacuum
$2,242.00 each
Not sure about the size? Use the BTU sizing calculator, or call us and we'll size it with you. This is a DIY system: the pre-charged line set connects without a vacuum pump or gauges.
Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.
About this product
Experience year-round comfort with the MRCOOL® DIY® 18k BTU 208/230V Hyper Heat 21.2 SEER Ductless Heat Pump Single Zone Mini Split Condenser—a high-performance solution designed for easy installation without the need for professional tools or experience. Perfect for spaces ranging from 500-800 sq. ft., this system is compatible with both our stylish wall-mounted air handlers and the discreet DIY® OuttaSight® Ceiling Cassette. Installation is quick and hassle-free, thanks to the 25-foot Quick Connect® line set, which comes pre-charged with eco-friendly R-454B refrigerant. No vacuum pump or gauges required. The included DIYPRO® cable adds extra durability, offering protection against outdoor elements, animals, and everyday wear. Control your comfort effortlessly with several convenient options: a handheld remote, the SmartHVAC mobile app for Apple and Android, or hands-free voice commands via Amazon Alexa and Google Assistant. The Gold Fin® condenser coating helps resist corrosion, making it a dependable option even in coastal climates. Advanced features enhance both convenience and efficiency. Auto-Restart resumes unit function after a power outage, Timer allows for customized operation based on your schedule, and Sleep maximizes energy usage while you sleep. For ultimate peace of mind, the MRCOOL® DIY® 18k BTU Hyper Heat Single Zone Mini Split includes a 7-year compressor and 5-year parts warranty with eligibility for the MRCOOL® Care Program for ultimate performance and confidence.
Documents & manuals
Specifications
| Type | Condenser (outdoor unit) — heat pump (heats & cools) |
|---|---|
| Series | DIY 5th Gen |
| Cooling capacity | 18,000 BTU |
| Heating capacity | 18,000 BTU |
| Nominal size | 1.5 tons |
| SEER2 | 21.2 |
| EER2 | 12.5 |
| HSPF2 | 11 |
| Heats down to | -22°F outdoor |
| Airflow | 1765.8 CFM |
| Sound level | 58 dBA |
| Voltage | 208/230V |
|---|---|
| Phase | 1-phase |
| Min. circuit ampacity (MCA) | 19 A |
| Max. breaker (MOP) | 25 A |
| Inverter compressor | Yes |
| Refrigerant | R-454B |
|---|---|
| Factory charge | 52.21 oz |
| Line set | 25 ft included |
| Max. line length | 75 ft |
| Liquid line | 1/4" |
| Suction line | 1/2" |
| Installation | DIY — pre-charged quick-connect line set, no vacuum pump needed |
| Dimensions (in) | 35.04 W × 13.46 D × 26.5 H |
|---|---|
| Weight | 99.87 lb |
| Shipping weight | 120.15 lb |
| Color | White |
| ENERGY STAR | Yes |
|---|---|
| AHRI certified | Yes |
| Safety listing | UL |
| Compressor warranty | 7 years |
| Parts warranty | 5 years |
| UPC | 840255588096 |

