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 |
Enjoy peace of mind and reliable comfort with the MRCOOL® OLYMPUS ESTAR® 18k Series air handler, designed to efficiently heat and cool areas up to 800 square feet—making it an ideal choice for large rooms, offices, garages, and more. Thanks to its compact design, installation is fast and straightforward. Control your comfort from anywhere with the MRCOOL® Smart HVAC app, which allows Wi-Fi connectivity for remote access via your smartphone or tablet. For added convenience, the unit also includes a wireless remote control, giving you flexible options to manage your indoor climate with ease. Engineered for energy efficiency, this system features a SEER2 rating of 23.5, EER2 of 12.7, and HSPF2-4 of 10.8, helping you lower your utility costs while staying comfortable year-round. With multiple fan speed settings and whisper-quiet operation at just 49 dB, it delivers powerful performance with minimal noise. Now using R-454B refrigerant, a more eco-friendly choice, this unit supports environmentally conscious living without sacrificing performance. Enjoy seamless control options, including the smartHVAC app, wireless remote, and voice control compatibility with Amazon Alexa and Google Assistant, giving you personalized comfort at your fingertips. Backed by an industry-leading warranty—including a limited lifetime warranty, 7-year compressor warranty, and 5-year parts warranty—the MRCOOL® OLYMPUS ESTAR® 18k Series air handler offers dependable performance, smart technology, and lasting comfort throughout the seasons.
| Net Dimensions (In) | 9.69 D x 12.64 H x 40.31 W |
| Net Weight (Lbs) | 27.34 |
| Tonnage | 1.5 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Cycle | 60 |
| Max Fuse Breaker (A) | 15 |
| Min Circuit Ampacity (A) | 3 |
| Mount Type | Wall |
| Color | White |
| Max Coverage Area | Up to 800 |
| Refrigerant Type | R-454B |
| Decibel Rating (Dba) | 49.5/45/38/31.5/19.5 |
| Decibel Rating Low (Dba) | 19.5 |
| Decibel Rating High (Dba) | 49.5 |
| Number Of Speeds | 5 (Variable) |
| Oscillation | Yes |
| Lineset Fitting Type | Flare |
| Liquid Line Size | 1/4 |
| Suction Line Size | 1/2 |
| Blower Motor Speeds | 635.7/500.3/359/294.3/294.3 |
| Blower Motor Rpm | 1190/994/896 |
| Filter Type | Reusable |
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | No |
| Fan Only Option | Yes |
| Sleep Mode | Yes |
| Auto Cool | Yes |
| Wifi Compatibility | Yes |
| App Compatibility | Yes |
| Works With Ios | Yes |
| Works With Android | Yes |
| 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 Depth (In) | 12.8 |
| Gross Height (In) | 15.75 |
| Gross Width (In) | 43.11 |
| Gross Weight (Lbs) | 36.6 |
Experience dependable heating and cooling with the MRCOOL® OLYMPUS ESTAR® 12k Series air handler, designed for spaces up to 550 square feet—perfect for bedrooms, home offices, garages, and more. Its compact design makes installation quick and hassle-free for your technician. Stay in control from anywhere with the MRCOOL® Smart HVAC app, which connects via Wi-Fi to your smartphone or tablet. Prefer a more hands-on approach? Use the included remote control for simple and convenient operation. Engineered for energy efficiency, this unit delivers strong performance with a SEER2 rating of 25.5, EER2 of 13, and HSPF2-4 of 10.6—helping you reduce energy consumption and save on utility costs. A variety of indoor fan speeds ensures optimal comfort, while its whisper-quiet operation at just 46 dB keeps noise to a minimum. Now using R-454B refrigerant, an environmentally friendly option, this system supports a greener future without compromising performance. Enjoy multiple control options, including wireless remote access, the smartHVAC app, and voice control compatibility with Amazon Alexa and Google Assistant—giving you the flexibility to adjust your comfort your way. Backed by an industry-leading warranty, including a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, the MRCOOL® OLYMPUS ESTAR® 12k Series offers advanced features, quiet operation, and year-round comfort you can count on.
| Net Dimensions (In) | 9.09 D x 11.81 H x 33.74 W |
| Net Weight (Lbs) | 22.93 |
| Tonnage | 1 |
| Voltage (V) | 208/230 |
| Phase | 1 |
| Cycle | 60 |
| Max Fuse Breaker (A) | 15 |
| Min Circuit Ampacity (A) | 3 |
| Mount Type | Wall |
| Color | White |
| Max Coverage Area | Up to 550 |
| Refrigerant Type | R-454B |
| Decibel Rating (Dba) | 47/36.5/32.5/22/19.5 |
| Decibel Rating Low (Dba) | 19.5 |
| Decibel Rating High (Dba) | 47 |
| Number Of Speeds | 5 (Variable) |
| Oscillation | Yes |
| Lineset Fitting Type | Flare |
| Liquid Line Size | 1/4 |
| Suction Line Size | 3/8 |
| Blower Motor Speeds | 441.4/323.7/229.6/176.6/147.2 |
| Blower Motor Rpm | 1100/850/700 |
| Filter Type | Reusable |
| Auxiliary Heater Included | No |
| Auxiliary Heater Available | No |
| Fan Only Option | Yes |
| Sleep Mode | Yes |
| Auto Cool | Yes |
| Wifi Compatibility | Yes |
| App Compatibility | Yes |
| Works With Ios | Yes |
| Works With Android | Yes |
| 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 Depth (In) | 12.2 |
| Gross Height (In) | 14.57 |
| Gross Width (In) | 36.22 |
| Gross Weight (Lbs) | 29.32 |
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.
