MRCOOL® Olympus E Star® 4th Gen 24,000 BTU (2 Ton) Ductless Mini Split Heat Pump — O-ES-24-HP-C-230C-O1 + O-24-HP-WMAH-230C-O
Overview
The MRCOOL® Olympus E Star® 4th Gen 24k is a high-efficiency single-zone ductless mini split heat pump system built for reliable year-round heating and cooling in larger spaces. Control is simple with built-in WiFi and the MRCOOL® Smart HVAC app, plus voice control support through Amazon Alexa and Google Assistant. The system uses R-454B refrigerant and is designed for professional installation.
Highlights
- Large-area comfort: Designed to efficiently serve areas up to 1,050 sq ft.
- Smart control included: Built-in WiFi with app control, plus a remote control for quick access.
- Quiet operation: Indoor sound levels down to 16 dB(A) (low setting).
- Custom airflow: 5 variable fan speeds with oscillation for better room mixing.
- Efficient performance: High-efficiency ratings with inverter-driven outdoor performance.
- Easy maintenance: Reusable filter design.
Up to 1,050 sq ft*
24,000 / 29,000 BTU
Up to 21 SEER2
Indoor 16–54.5 dB(A)
*Coverage varies by climate, insulation, layout, and load.
What’s Included
- Outdoor Condenser: O-ES-24-HP-C-230C-O1
- Wall-Mounted Air Handler: O-24-HP-WMAH-230C-O
- WiFi / App Control: MRCOOL® Smart HVAC app support
- Remote Control
- Installation / user documentation (see Documents & Downloads)
Indoor Specs
Model: O-24-HP-WMAH-230C-O (Wall-Mounted Air Handler)
| System Type | Single-Zone Ductless Mini Split |
| Unit Type | Mini-Split (Indoor) |
| Tonnage | 2 Ton |
| Max Coverage Area | Up to 1,050 sq ft |
| Indoor Noise (dB[A]) | 54.5 / 43.5 / 38.5 / 27 / 16 |
| Number of Speeds | 5 (Variable) |
| Oscillation | Yes |
| WiFi / App | Yes / Yes |
| Voice Control | Amazon Alexa / Google Assistant |
| Electrical | 208/230V • 1-Phase • 60 Hz |
| Max Fuse / Breaker | 15A |
| Min Circuit Ampacity | 3A |
| Line Set Fitting Type | Flare |
| Liquid / Suction Line | 3/8" / 5/8" |
| Blower Motor Speeds | 812.3 / 618 / 412 / 317.8 / 317.8 |
| Blower Motor RPM | 1000 / 850 / 630 |
| Filter Type | Reusable |
| Aux Heater Included | No |
| Fan Only Option | Yes |
| Sleep Mode | Yes |
| Auto Cool | Yes |
| Color / Mount Type | White / Wall |
| Dimensions (W×D×H) | 47.13" × 11.02" × 14.61" |
| Net Weight | 43.65 lb |
| Works With | O-ES-24-HP-C-230C-O1 • MULTI4-27HP230C-O • MULTI5-36HP230C-O • MULTI6-48HP230C-O |
| UPC / GTIN | UPC 840255587730 • GTIN 00840255587730 |
| Restricted States | GU, PR, VI |
| Proposition 65 Warning | Yes |
Outdoor Specs
Model: O-ES-24-HP-C-230C-O1 (Single-Zone Condenser)
| System Type | Single-Zone Ductless Mini Split Heat Pump |
| Unit Type | Mini-Split (Outdoor) |
| Tonnage | 2 Ton |
| Cooling / Heating Capacity | 24,000 BTU / 29,000 BTU |
| Max Coverage Area | Up to 1,050 sq ft |
| SEER2 / EER2 | Up to 21 / Up to 13 |
| HSPF2-4 / HSPF2-5 | 13.5 / 9.8 |
| Outdoor Noise | 61.5 dB(A) |
| Electrical | 208/230V • 1-Phase • 60 Hz |
| MCA / Max Breaker | 24.9A / 25A |
| Refrigerant | R-454B • 63.49 oz factory charge |
| Inverter | DC |
| Compressor Motor Type | Rotary |
| Metering Device | EXV + Throttle Valve |
| Condenser Fan Motor RPM | 950 / 800 / 500 |
| Line Set | Flared fittings • Liquid 3/8" • Suction 5/8" |
| Max Line Set Length | 164 ft |
| Dimensions (W×D×H) | 37.24" × 16.14" × 31.89" |
| Net Weight | 130.29 lb |
| Energy Star Certified | Yes |
| AHRI Certified | Yes |
| Works With | O-24-HP-WMAH-230C-O • DUCT-24HP-230B-O • CASSETTE24HP-230C-O |
| UPC / GTIN | UPC 840255587655 • GTIN 00840255587655 |
| Restricted States | GU, PR, VI |
| Proposition 65 Warning | Yes |
Documents & Downloads
Important
- Professional installation: Installation by a licensed HVAC professional required where applicable.
- Electrical: Outdoor unit lists 25A max breaker and 24.9A MCA.
- Refrigerant: Uses R-454B.
- Proposition 65: Warning applies (see product documentation).
FAQs
Does this system require professional installation?
Yes. Installation by a licensed HVAC professional is required where applicable.
Is WiFi / app control included?
Yes. WiFi is built in and the system supports the MRCOOL® Smart HVAC app, plus remote control operation.
What areas can it cover?
This 24k (2 ton) system is designed to serve areas up to 1,050 sq ft, depending on the space and load.
What electrical circuit is required?
The outdoor condenser specifies 208/230V, 1-phase, 60 Hz with 24.9A MCA and a 25A max breaker. The outdoor unit typically determines the required circuit.
What refrigerant does it use?
R-454B.
What warranty comes with it?
Base coverage includes 5-year parts and 7-year compressor (condenser), with additional warranty terms detailed in the included warranty document.
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We will prepare your order within 24 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION: Please be kindly informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery. To AVOID delays, please check if the provided phone number in the order details is a current number where you can be reached. You can also contact the carrier directly and refer to your tracking number to set up a date and time for your appointment. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. PLEASE verify your shipping address, as changes to the address after freight has shipped can result in an additional 15% or higher fee depending on freight weight and dimensions.
SMALLWARES INFORMATION: Please be informed that for smaller items, such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves, when these items are ordered individually, they may be shipped via FedEx without a signature requirement. It is your responsibility to ensure a safe and secure environment for delivery. Please note that we cannot be held liable for any packages that are stolen or lost after delivery has been confirmed. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING: Please inspect your boxes thoroughly when you receive them. They should arrive shrink-wrapped and on a pallet. If you notice any damages or imperfections (e.g. crushed box or forklift hole), please write comments on the receipt before signing for delivery, no matter how small damages seem. Contact us immediately to assist you.
Shipping & Delivery
We will prepare your order within 24–48 hours if it’s received on a weekday (before noon). Orders are shipped in one to two business days. Transit time is between 3 to 6 business days, although exceptions apply. We email tracking information once your purchase is shipped.
Delivery Map
IMPORTANT DELIVERY INFORMATION
Please be informed that this air conditioner, due to its weight and shipping restrictions, is shipped palletized with an arranged freight service and requires an appointment for delivery.
To AVOID delays, please make sure the phone number in your order details is accurate and one where you can be reached. You may also contact the carrier directly using your tracking number to schedule your delivery.
It is your responsibility to ensure a safe and secure delivery environment. We are not liable for any packages that are stolen or lost after delivery is confirmed.
Please verify your shipping address carefully. Changes to your shipping address after the freight has been shipped may result in additional fees of 15% or more, depending on freight weight and dimensions.
SMALLWARES INFORMATION
Smaller items such as Installation Kits, Smart Connectivity Dongles, and TTW Sleeves may be shipped via FedEx without a signature requirement if ordered individually.
It is your responsibility to ensure a safe delivery location. We are not liable for packages lost or stolen after delivery confirmation. Thank you for your understanding and cooperation.
INSPECT YOUR MERCHANDISE BEFORE SIGNING
Please inspect your boxes carefully upon delivery. Shipments should arrive shrink-wrapped and on a pallet. If you notice any damage or signs of mishandling (such as a crushed box or forklift puncture), write comments on the delivery receipt before signing, even if the damage appears minor.
Contact us immediately if any issues arise so we can assist you promptly.
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