MRCOOL Olympus 4th Gen ENERGY STAR 12,000 BTU 208-230V Ductless Mini-Split Heat Pump Condenser, R-454B O-ES-12-HP-C-230C-O1
MRCOOL Olympus 4th Gen ENERGY STAR 12,000 BTU 208-230V Ductless Mini-Split Heat Pump Condenser, R-454B O-ES-12-HP-C-230C-O1
- 12,000 BTU/h cooling, 12,000 BTU/h heating
- Up to 25.4 SEER2 | Up to 13.4 EER2 | 10.5 HSPF2
- Rated for spaces up to 550 sq. ft.
- Voltage: 208/230V, 1-phase, 60 Hz
- Manufacturer part number O-ES-12-HP-C-230C-O1
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Overview
The MRCOOL O-ES-12-HP-C-230C-O1 is a mini-split condenser from the MRCOOL Olympus 4th Gen Single-Zone Condensers line. It delivers 12,000 BTU/h of cooling and heating capacity. MRCOOL rates its efficiency at up to 25.4 SEER2, up to 13.4 EER2 and 10.5 HSPF2. It uses R-454B refrigerant and runs on 208/230V single-phase power. MRCOOL rates it for spaces up to 550 sq. ft. Compatible MRCOOL models: O-12-HP-WMAH-230C-O, DUCT-12HP-230B-O, CASSETTE12HP-230C-O.
This is the outdoor unit of a mini-split system. Pair it with a compatible MRCOOL indoor air handler and line set to complete the system.
Highlights
- Voice control through Amazon Alexa and Google Assistant
- Control from the MRCOOL SmartHVAC app on iOS and Android
Installation
MRCOOL specifies installation by a licensed HVAC professional for this equipment, and its warranty terms depend on it. Check local code and permit requirements before you order.
Specifications
| Model | O-ES-12-HP-C-230C-O1 |
| Series | Olympus 4th Gen Single-Zone Condensers |
| Cooling Capacity (BTU/h) | 12,000 |
| Heating Capacity (BTU/h) | 12,000 |
| Nominal Tonnage | 1 |
| SEER2 | Up to 25.4 |
| EER2 | Up to 13.4 |
| HSPF2 (Region IV) | 10.5 |
| HSPF2 (Region V) | 8 |
| Max Coverage Area (sq. ft.) | Up to 550 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Frequency (Hz) | 60 |
| Minimum Circuit Ampacity (A) | 15 |
| Max Fuse / Breaker (A) | 15 |
| Refrigerant | R-454B |
| Refrigerant Charge (oz) | 35.27 |
| Inverter | DC |
| Compressor Type | Rotary |
| Metering Device | EXV |
| Sound Level (dBA) | 56 |
| Max Line Set Length (ft) | 82 |
| Line Set Connection | Flare |
| Liquid Line Size (in) | 1/4 |
| Suction Line Size (in) | 3/8 |
| Color | White |
| Compatible With | O-12-HP-WMAH-230C-O, DUCT-12HP-230B-O, CASSETTE12HP-230C-O |
| Dimensions, W × H × D (in) | 31.69 × 21.81 × 12.99 |
| Net Weight (lb) | 72.75 |
| Shipping Dimensions, W × H × D (in) | 36.02 × 24.21 × 14.57 |
| Shipping Weight (lb) | 78.7 |
| Certifications | ENERGY STAR Certified, AHRI Certified, UL Listed, ETL Listed, CSA Listed |
| Parts Warranty | 5-Year |
| Compressor Warranty | 7-Year |
| Remote Warranty | 5 Year |
More Documents
Key features
- 12,000 BTU/h cooling, 12,000 BTU/h heating
- Up to 25.4 SEER2 | Up to 13.4 EER2 | 10.5 HSPF2
- Rated for spaces up to 550 sq. ft.
- Voltage: 208/230V, 1-phase, 60 Hz
- Manufacturer part number O-ES-12-HP-C-230C-O1
Documents & downloads
Certifications
Warranty
Parts Warranty: 5-Year Compressor Warranty: 7-Year Remote Warranty: 5 Year Coverage terms, registration and installation requirements are set by MRCOOL; see the MRCOOL warranty document for this model.

