MRCOOL Olympus Duct 9,000 BTU (3/4 Ton) – DUCT-09HP-230B-O
MRCOOL Olympus Duct 9,000 BTU (3/4 Ton) – DUCT-09HP-230B-O
Overview
The MRCOOL® OLYMPUS 9K DUCT Air Handler is a reliable solution for heating and cooling spaces up to 400 square feet, making it an excellent fit for bedrooms, home offices, or other compact areas. Its ceiling-integrated design allows for a discreet, flush installation that blends effortlessly into any interior, providing a sleek and contemporary appearance. This space-saving setup is ideal for both residential and light commercial environments where aesthetics and functionality are equally important. For convenient operation, the unit includes both a wall-mounted wired controller and a handheld remote, allowing you to adjust your settings from across the room or right at your fingertips. Whether you're relaxing on the couch or managing temperature throughout the day, controlling your climate is simple and user-friendly. The air handler utilizes R-454B refrigerant, a next-generation, eco-conscious option that combines high performance with environmental responsibility. Its low global warming potential (GWP) significantly reduces the unit’s ecological impact while maintaining energy efficiency and reliable operation. For environmentally mindful homeowners, R-454B is a smart choice that supports sustainability without compromising performance. Backed by a limited lifetime warranty, 7-year compressor coverage, and a 5-year parts warranty, the MRCOOL® OLYMPUS 9K DUCT Air Handler is built to deliver dependable, long-term comfort. It’s a perfect solution for those who appreciate energy efficiency, quiet operation, and sleek design all in one dependable system.
Quick Facts
- Capacity: 9,000 BTU (3/4 Ton)
- Coverage: Up to 400 sq. ft.
- Refrigerant: R-454B
- Voltage/Phase/Frequency: 208/230V, 1-Phase, 60 Hz
- Sound: 32.5 / 32.5 / 31 / 29.5 / 23 dBA (5 speeds)
- Airflow: Ducted
- Fan Speeds: 5 (Variable)
- Controls: Wired Wall Controller & Handheld Remote
- Smart/Wi-Fi/App: No
- Listings: UL, CSA, ETL
Use our sizing calculator () to dial in the right capacity.
Works With (Outdoor Units)
O-ES-09-HP-C-230C-O1, MULTI3-18HP230C-O, MULTI4-27HP230C-O, MULTI5-36HP230C-O, MULTI6-48HP230C-O
Included in Your Order
- MRCOOL Olympus 9K Ducted Air Handler – Model: DUCT-09HP-230B-O
- Wired Wall Controller
- Remote Control
- Installation Manual
- Owner’s & Service Information
Lineset, outdoor unit, and accessories sold separately.
Key Features
- Ceiling-concealed ducted installation
- Ultra-quiet operation down to 23 dBA
- R-454B low-GWP refrigerant
- 5 variable fan speeds
- Reusable filter
- Sleep Mode, Auto Cool, Fan-Only option
- UL, CSA, and ETL listed
Technical Specifications
| Specification | Details |
|---|---|
| Brand / Series | MRCOOL / Olympus Duct |
| Model | DUCT-09HP-230B-O |
| GTIN / UPC | 00840255587662 / 840255587662 |
| Unit Type | Mini-Split |
| Tonnage | 0.75 |
| Voltage / Phase / Cycle | 208/230V / 1-Phase / 60 Hz |
| Max Fuse Breaker | 15 A |
| Min Circuit Ampacity | 3 A |
| Mount Type | Ducted |
| Color | Metal |
| Max Coverage Area | Up to 400 sq. ft. |
| Refrigerant Type | R-454B |
| Sound (dBA) | 32.5 / 32.5 / 31 / 29.5 / 23 |
| Airflow Direction | Ducted |
| Number of Speeds | 5 (Variable) |
| Oscillation | No |
| Lineset Fitting Type | Flare |
| Liquid / Suction Line | 1/4" / 3/8" |
| Blower Motor Speeds (CFM) | 323.7 / 264.9 / 206 / 147.2 / 117.7 |
| Blower Motor RPM | 850 / 680 / 450 |
| Auxiliary Heater (Included / Available) | No / No |
| Fan Only / Sleep Mode / Auto Cool | Yes / Yes / Yes |
| Wi-Fi / App / iOS / Android | No / No / No / No |
| Remote Included | Yes |
| UL / CSA / ETL Listed | Yes / Yes / Yes |
| Prop 65 | Yes |
| Restricted States | GU, PR, VI |
| Net Dimensions (HxWxD) | 7.87" × 27.56" × 19.92" |
| Net / Gross Weight | 39.46 lbs / 46.74 lbs |
Warranty Information
- Limited Lifetime (see MRCOOL terms)
- 7-Year Compressor Coverage
- 5-Year Parts Warranty
- Registered Labor Warranty: None
- Base Labor Warranty: None
Manuals & Downloads
Please note: Indoor air handler must be matched with a compatible MRCOOL outdoor unit. Lineset, controls, and accessories sold separately.
