The MRCOOL® Olympus MULTI3-18HP230C-O is a high-performance 18,000 BTU multi-zone heat pump condenser designed to power up to three indoor units simultaneously. Perfect for homeowners looking to efficiently manage temperatures in multiple spaces, this ductless system offers individualized climate control for each connected zone, making it a flexible solution for modern living environments. Built with advanced inverter technology, the unit delivers impressive efficiency, with SEER2 ratings up to 25.1 and HSPF2-4 up to 10. It performs reliably in diverse conditions, operating in outdoor temperatures as low as 5°F, ensuring comfort in both summer and winter months. This model is compatible with various
MRCOOL indoor units, including wall-mounted, ceiling cassette, and concealed duct options, giving users the freedom to tailor the system to their home’s layout and aesthetics. Smart features elevate user convenience, with control options that include the MRCOOL SmartHVAC app, traditional remotes, or even voice commands via Amazon Alexa and Google Assistant. Additional functions such as sleep mode, auto restart, and refrigerant leak detection contribute to enhanced safety and comfort. Backed by a 7-year warranty on the compressor and 5 years on parts (with professional installation), the MRCOOL®Olympus MULTI3-18HP230C-O is a reliable and energy-efficient choice for those seeking customized, zone-specific heating and cooling.
| Net Dimensions (In) | 13.46 D x 26.5 H x 35.04 W |
| Net Weight (Lbs) | 100.53 |
| SEER2 | Up to 25.1 |
| EER2 | Up to 14 |
| HSPF2-4 | 9.8 |
| HSPF2-5 | 7.8 |
| Tonnage | 1.5 |
| Cooling Capacity (Btu) | 18000 |
| Heating Capacity (Btu) | 19000 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Cycle | 60 |
| Max Fuse Breaker (A) | 20 |
| Min Circuit Ampacity (A) | 16 |
| Color | White |
| Max Coverage Area | Up to 750 |
| Zone Capacity | 3 |
| Refrigerant Type | R-454B |
| Refrigerant Volume (Oz) | 61.73 |
| Decibel Rating (Dba) | 59.5 |
| Inverter | DC |
| Max Lineset Length (Ft) | 196.8 total |
| Lineset Fitting Type | Flare |
| Liquid Line Size | 3 x 1/4 |
| Suction Line Size | 3 x 3/8 |
| Compressor Motor Type | Twin-Rotary |
| Condenser Fan Motor Rpm | 750/600/500 |
| Metering Device | EXV + Capillary |
| UL Listed | Yes |
| CSA Listed | Yes |
| ETL Listed | Yes |
| Energy Star Certified | Yes |
| AHRI Certified | Yes |
| Base Warranty | 5-Year Parts/7-Year Compressor |
| Base Parts Warranty | 5-Year |
| Base Compressor Warranty | 7-Year |
| Base Remote Warranty | 5 Year |
| Registered Labor Warranty | None |
| Base Labor Warranty | None |
| Has Batteries | Yes |
| Contains Electronics | Yes |
| Contains Chemicals | Yes |
| Contains Compressed Gas | Yes |
| Proposition 65 Warning | Yes |
| Restricted States | GU, PR, VI |
| Gross Depth (In) | 17.24 |
| Gross Height (In) | 29.53 |
| Gross Width (In) | 40.55 |
| Gross Weight (Lbs) | 109.35 |
