Product Description
Creating comfortable conditions in smaller spaces requires an outdoor unit that combines efficiency with dependable performance. Whether used for a bedroom, home office, or garage workspace, consistent heating and cooling help maintain a stable indoor environment. The O-ES-09-HP-C-230C-O1 is designed to support this balance with efficient operation and reliable climate control.
Part of the MRCOOL Olympus E Star system lineup, this condenser focuses on delivering efficient climate control in a compact outdoor design. The system is built to support single-zone mini-split installations where dependable performance and manageable installation matter most. With smart connectivity and flexible control options, it allows homeowners to manage comfort settings easily from almost anywhere.
The MRCOOL O-ES-09-HP-C-230C-O1 delivers efficient heating and cooling performance for spaces up to 400 sq. ft., making it suitable for bedrooms, home offices, garages, and similar compact areas. Designed with energy efficiency in mind, the unit achieves SEER2 and EER2 ratings of 25.8 and 14.9, along with a HSPF2-4 rating of 12.5, helping maintain comfortable indoor conditions while supporting lower energy consumption. As a MRCOOL Olympus E Star 9K BTU condenser, it combines efficient output with dependable year-round operation. The outdoor fan operates at approximately 52.5 dB, helping maintain quiet performance while the system continues delivering stable climate control.
Everyday operation is simplified through built-in smart connectivity. Using the SmartHVAC® app, homeowners can control temperature, fan speed, and system settings directly from Apple or Android devices. Integration with Amazon Alexa and Google Assistant allows convenient voice commands, while the included remote provides quick manual control. The system uses R-454B refrigerant, an eco-friendly solution designed to support efficient and responsible performance.
One homeowner noted, “We installed this condenser for our garage workspace, and it keeps the temperature comfortable even during warmer afternoons. The system runs quietly and maintains a steady climate without needing constant adjustments.”
This experience highlights how the system delivers stable indoor conditions with dependable performance. By combining efficient operation, quiet performance, and modern connectivity, the condenser supports reliable climate control in smaller spaces.
With efficient ratings, smart controls, and a compact outdoor design, the MRCOOL Olympus E Star condenser provides dependable performance for single-zone mini-split systems while helping homeowners maintain balanced indoor temperatures.
Product Highlights
| Feature | Benefit |
| SmartHVAC® App Control | Adjust temperature, fan speed, and system settings using Apple or Android devices. |
| Voice Assistant Compatibility | Works with Amazon Alexa and Google Assistant for hands-free climate control. |
| Energy Star Certified | Designed to deliver efficient heating and cooling performance. |
| Eco-Friendly Refrigerant | Uses R-454B refrigerant to support efficient and environmentally conscious operation. |
| Warranty Coverage | Limited lifetime warranty with 7-year compressor and 5-year parts coverage when properly registered and installed. |
MRCOOL Olympus 4th Gen Single-Zone Condenser (O-ES-09-HP-C-230C-O1) – Efficient Outdoor Performance for Compact Mini-Split Systems Specs
| Category | Specification | Details |
|---|---|---|
| General | Type | Mini-Split |
| Performance | Tonnage | 0.75 |
| Cooling Capacity( BTU) | 9000 | |
| Heating Capacity( BTU) | 12000 | |
| Maximum Coverage Area (sq ft) | Up to 400 | |
| Inverter | DC | |
| Decibel Rating - dba | 56 | |
| Condenser Fan Motor | RPM: 850/680/450 | |
| Efficiency | SEER2 | Up to 27.4 |
| EER2 | Up to 15.4 | |
| HSPF2-4 / HSPF2-5 | 12.5 / 9.5 | |
| Refrigeration | Metering Device | EXV |
| Refrigerant Type | R-454B | |
| Max Line Set Length (ft) | 82 | |
| Electrical | Phase | 1 |
| Cycle (Hz) | 60 | |
| Voltage | 208/230 | |
| Max Fuse Breaker (A) | 15 | |
| Min Circuit Ampacity (A) | 15 | |
| Certifications | Certifications | AHRI / Energy Star |
| Warranty | Warranty | 5 Year Parts / 7 Year Compressor / 5 Year Remote |
| Safety | Contains Compressed Gas (Yes/No) | Yes |
| Has Batteries (Yes/No) | Yes | |
| Restricted States | GU, PR, VI | |
| Dimensions | Net (D×W×H) inches | 12.99x31.69x21.81 |
| Net Weight (lbs) | 72.75 | |
| Gross (D×W×H) inches | 14.57x36.02x24.24 | |
| Gross Weight (lbs) | 78.7 |
Loyalty Program



