Product Description
Creating comfortable indoor conditions often depends on an outdoor unit that delivers steady performance without excessive noise or complicated controls. Bedrooms, home offices, and garages benefit from systems that maintain stable temperatures throughout changing seasons. The O-ES-12-HP-C-230C-O1 is designed to provide dependable heating and cooling while keeping operation efficient and straightforward.
Part of the Olympus E-STAR® lineup, this condenser is built for single-zone mini-split installations where reliable performance and manageable installation matter most. Its compact outdoor design fits well in tighter spaces while still delivering the performance needed for everyday climate control. With multiple control options available, homeowners can manage the system in a way that suits their routine.
The MRCOOL O-ES-12-HP-C-230C-O1 provides reliable heating and cooling for spaces up to 550 sq. ft., making it suitable for bedrooms, garages, and similar mid-sized areas. It delivers strong efficiency with SEER2 and EER2 ratings of 25.5 and 13, along with a HSPF2-4 rating of 10.6, helping reduce energy use while maintaining comfortable indoor temperatures. As a MRCOOL Olympus E-STAR 12K BTU condenser, it supports dependable year-round operation. The outdoor fan operates at approximately 56 dB, allowing the system to run quietly while continuing to deliver steady performance.
Control options are designed to keep everyday operation simple. Using the SmartHVAC® app, homeowners can adjust temperature, fan speed, and system settings from Apple or Android devices. The system also works with Amazon Alexa and Google Assistant for voice control, while the included remote provides quick manual access to key functions. The unit operates with R-454B refrigerant, an environmentally responsible choice that supports efficient performance.
One homeowner shared, “We installed this condenser for a small guest room above the garage, and it handled the space better than we expected. Even during hotter days, the room stays comfortable and the outdoor unit runs quietly in the background.”
Situations like this show how the right condenser can quietly support everyday comfort. By maintaining steady temperatures and running quietly outdoors, the system helps keep indoor spaces comfortable without constant attention.
With strong efficiency ratings and flexible control options, the MRCOOL Olympus E-STAR condenser delivers reliable heating and cooling for single-zone mini-split systems. Its compact outdoor design and steady performance make it a practical fit for spaces that need dependable climate control without added complexity.
Product Highlights
| Feature | Benefit |
| SmartHVAC® App Control | Adjust temperature, fan speed, and settings using Apple or Android devices. |
| Voice Assistant Compatibility | Works with Amazon Alexa and Google Assistant for hands-free operation. |
| Energy Star Certified | Designed to deliver efficient heating and cooling performance. |
| Eco-Friendly Refrigerant | Uses R-454B refrigerant for efficient and environmentally responsible operation. |
| Warranty Coverage | Limited lifetime warranty with 7-year compressor and 5-year parts coverage when registered and professionally installed. |
MRCOOL Olympus 4th Gen Single-Zone Condenser (O-ES-12-HP-C-230C-O1) – Efficient Outdoor Performance for Mid-Sized Mini-Split Spaces Specs
| Category | Specification | Details |
|---|---|---|
| General | Type | Mini-Split |
| Performance | Tonnage | 1 |
| Cooling Capacity( BTU) | 12000 | |
| Heating Capacity( BTU) | 12000 | |
| Maximum Coverage Area (sq ft) | Up to 550 | |
| Inverter | DC | |
| Decibel Rating - dba | 56 | |
| Condenser Fan Motor | RPM: 780/680/580 | |
| Efficiency | SEER2 | Up to 25.4 |
| EER2 | Up to 13.4 | |
| HSPF2-4 / HSPF2-5 | 10.5 / 8 | |
| 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 | 14.57x36.02x24.21 | |
| Gross Weight (lbs) | 78.7 |
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