The MRCOOL® Olympus 48,000 BTU multi-zone heat pump condenser is a heating and cooling powerhouse engineered to handle up to six indoor units at once. Ideal for larger homes or spaces with diverse climate needs, this ductless solution offers precise, room-by-room comfort without the complexity of traditional HVAC systems. At the heart of its performance is advanced inverter technology, which maximizes energy efficiency with SEER2 ratings as high as 24 and HSPF2-4 ratings up to 10.6. Whether it’s sweltering heat or freezing cold, this unit remains dependable—capable of operating in outdoor temperatures as low as 5°F.
Flexible compatibility with MRCOOL indoor unit styles—including sleek wall mounts, ceiling cassettes, and concealed duct models—ensures seamless integration with your home’s design. Ease of use is built into the experience. Control your climate with the intuitive MRCOOL SmartHVAC app, traditional remotes, or hands-free commands via Amazon Alexa and Google Assistant. Features such as sleep mode, auto restart, and refrigerant leak detection are designed to keep your system running smoothly, safely, and efficiently. With a 7-year compressor warranty and a 5-year parts warranty (when professionally installed), the Olympus MULTI6-48HP230C-O delivers high-capacity performance, intelligent control, and year-round reliability—perfect for those who need complete climate flexibility throughout a larger living space.
| Net Dimensions (In) | 16.34 D x 52.48 H x 37.48 W |
| Net Weight (Lbs) | 222 |
| SEER2 | Up to 24 |
| EER2 | Up to 12.5 |
| HSPF2-4 | 10.3 |
| HSPF2-5 | 8 |
| Tonnage | 4 |
| Cooling Capacity (Btu) | 47000 |
| Heating Capacity (Btu) | 48000 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Cycle | 60 |
| Max Fuse Breaker (A) | 40 |
| Min Circuit Ampacity (A) | 34 |
| Color | White |
| Max Coverage Area | Up to 2000 |
| Zone Capacity | 6 |
| Refrigerant Type | R-454B |
| Refrigerant Volume (Oz) | 148.15 |
| Decibel Rating (Dba) | 63 |
| Inverter | DC |
| Max Lineset Length (Ft) | 262.4 total |
| Lineset Fitting Type | Flare |
| Liquid Line Size | 6 x 1/4 |
| Suction Line Size | 4 x 3/8 + 2 x 1/2 |
| Compressor Motor Type | Rotary |
| Condenser Fan Motor Rpm | 800/700/650 |
| Metering Device | EXV |
| 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) | 19.49 |
| Gross Height (In) | 58.27 |
| Gross Width (In) | 43.11 |
| Gross Weight (Lbs) | 254.19 |
The MRCOOL® OLYMPUS 24K CASSETTE offers powerful heating and cooling for areas up to 1,050 square feet, making it a perfect solution for larger bedrooms, home offices, or smaller commercial spaces. Designed to mount seamlessly within the ceiling, this system integrates effortlessly into your environment, providing a modern and sophisticated aesthetic that complements any room’s décor. Its versatile design makes it a great option for both residential and business settings, optimizing space while delivering efficient climate control. Operating at a quiet 48.5 dB, the indoor fan ensures a serene atmosphere without sacrificing performance. The minimal noise level allows for uninterrupted comfort, making it ideal for noise-sensitive areas like bedrooms, offices, or nurseries. The quiet operation promotes a peaceful setting that enhances relaxation and productivity.
The unit is equipped with R-454B refrigerant, an environmentally friendly choice that offers superior performance with a reduced environmental impact. With its low global warming potential, R-454B refrigerant not only minimizes the carbon footprint of your system but also maintains high energy efficiency. This makes it a great option for homeowners and businesses looking to reduce their environmental impact while enjoying reliable, energy-saving performance. Backed by a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, the MRCOOL® OLYMPUS 24K CASSETTE ensures long-lasting durability and cutting-edge technology. This unit is an ideal choice for those who seek a balance of efficiency, modern aesthetics, and exceptional comfort.
| Net Dimensions (In) | 32.68 D x 8.07 H x 32.68 W |
| Net Weight (Lbs) | 47.18 |
| Tonnage | 2 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Cycle | 60 |
| Max Fuse Breaker (A) | 15 |
| Min Circuit Ampacity (A) | 3 |
| Mount Type | Ceiling |
| Color | White |
| Max Coverage Area | Up to 1050 |
| Refrigerant Type | R-454B |
| Decibel Rating (Dba) | 48.5/45/42.5/33.5/33.5 |
| Decibel Rating Low (Dba) | 33.5 |
| Decibel Rating High (Dba) | 48.5 |
| Air Flow Direction | Downflow |
| Number Of Speeds | 5 (Variable) |
| Oscillation | Yes |
| Lineset Fitting Type | Flare |
| Liquid Line Size | 3/8 |
| Suction Line Size | 5/8 |
| Blower Motor Speeds | 765.2/706.3/635.7/547.4/547.4 |
| Blower Motor Rpm | 624/568/426 |
| Filter Type | Reusable |
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | No |
| Fan Only Option | Yes |
| Sleep Mode | Yes |
| Auto Cool | Yes |
| Wifi Compatibility | No |
| App Compatibility | No |
| Works With Ios | No |
| Works With Android | No |
| Remote Control Included | Yes |
| UL Listed | Yes |
| CSA Listed | Yes |
| ETL Listed | Yes |
| Base Warranty | 5-Year Parts |
| Base Parts Warranty | 5-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 Weight (Lbs) | 59.08 |
The MRCOOL® OLYMPUS 12K CASSETTE delivers reliable heating and cooling for areas up to 550 square feet, making it an excellent option for bedrooms, home offices, or other smaller spaces. Designed to be installed flush within the ceiling, it blends seamlessly into your room, offering a sleek, modern look that enhances any décor.
This versatile system is perfect for both residential and commercial spaces, maximizing room usage while providing an efficient and stylish climate control solution. Operating at a quiet 46 dB, the indoor fan ensures that your space remains calm and undisturbed while still delivering consistent performance. Its low noise level allows for optimal heating or cooling without distracting sounds, making it ideal for environments that require peace, such as bedrooms, home offices, or nurseries. The quiet operation creates a comfortable atmosphere that enhances relaxation and productivity. The system uses R-454B refrigerant, a sustainable choice that balances high performance with environmental responsibility. With its low global warming potential, R-454B minimizes the environmental impact of your unit while offering exceptional efficiency. This makes it a great option for homeowners looking to reduce their carbon footprint while still enjoying reliable, top-quality performance.
The MRCOOL® OLYMPUS 12K CASSETTE is backed by a limited lifetime warranty, 7 years of compressor coverage, and a 5-year parts warranty, ensuring lasting reliability and cutting-edge technology. This system is the perfect fit for those who prioritize energy efficiency, modern style, and optimal comfort.
| Net Dimensions (In) | 24.44 D x 9.65 H x 22.44 W |
| Net Weight (Lbs) | 35.27 |
| Tonnage | 1 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Cycle | 60 |
| Max Fuse Breaker (A) | 15 |
| Min Circuit Ampacity (A) | 3 |
| Mount Type | Ceiling |
| Color | White |
| Max Coverage Area | Up to 550 |
| Refrigerant Type | R-454B |
| Decibel Rating (Dba) | 46/43.5/40.5/27.5/26 |
| Decibel Rating Low (Dba) | 26 |
| Decibel Rating High (Dba) | 46 |
| Air Flow Direction | Downflow |
| Number Of Speeds | 5 (Variable) |
| Oscillation | Yes |
| Lineset Fitting Type | Flare |
| Liquid Line Size | 1/4 |
| Suction Line Size | 3/8 |
| Blower Motor Speeds | 417.9/364.9/306.1/194.2/147.2 |
| Blower Motor Rpm | 700/600/400 |
| Filter Type | Reusable |
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | No |
| Fan Only Option | Yes |
| Sleep Mode | Yes |
| Auto Cool | Yes |
| Wifi Compatibility | No |
| App Compatibility | No |
| Works With Ios | No |
| Works With Android | No |
| Remote Control Included | Yes |
| UL Listed | Yes |
| CSA Listed | Yes |
| ETL Listed | Yes |
| Base Warranty | 5-Year Parts |
| Base Parts Warranty | 5-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 Weight (Lbs) | 41.89 |
What BTU rating should I choose for my air handler?
| Air Handler BTU | Coverage Area/Room Size (Sq. Ft.)* |
| 6K |
Up to 200 Sq. Ft.
|
| 9K |
Up to 375 Sq. Ft.
|
| 12K | Up to 500 Sq. Ft. |
| 18K | Up to 750 Sq. Ft. |
| 24k | Up to 1,000 Sq. Ft. |
| 36k | Up to 1,500 Sq. Ft. |
*Ceiling height, insulation, and local climate may impact the coverage area. For example, an uninsulated room will require more power than a well insulated room.
