MRCOOL — Slim Duct
MRCOOL Olympus Duct 12,000 BTU (1 Ton) – DUCT-12HP-230B-O
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MRCOOL Olympus Duct 12,000 BTU (1 Ton) – DUCT-12HP-230B-O
Overview
The MRCOOL® OLYMPUS 12K DUCT Air Handler delivers efficient and reliable heating and cooling for spaces up to 550 square feet, making it a great choice for bedrooms, home offices, and similarly sized areas. Designed for a discreet ceiling installation, the unit offers a flush-mount finish that seamlessly integrates with your space, enhancing the room’s aesthetic with a clean, modern look. Its compact and versatile design suits both residential and commercial applications, providing an ideal climate solution without sacrificing valuable square footage. For added convenience, the system includes both a wired wall-mounted controller and a handheld remote. Whether you prefer adjusting settings from the wall or without leaving the comfort of your couch, climate control is always within easy reach. This model features R-454B refrigerant, a high-efficiency, environmentally friendly option that delivers outstanding performance while minimizing environmental impact. With a low global warming potential, R-454B supports sustainability and helps reduce your household’s carbon footprint, all without compromising system effectiveness or energy efficiency. The MRCOOL® OLYMPUS 12K DUCT Air Handler is backed by a limited warranty, along with 7-year compressor protection and a 5-year parts warranty—ensuring long-lasting performance and peace of mind. For those seeking energy-conscious comfort, modern design, and reliable climate control, this unit offers a high-performance solution tailored to today’s demands.
Quick Facts
- Capacity:12,000 BTU(1 Ton)
- Coverage:Up to 550 sq. ft.
- Refrigerant:R-454B
- Voltage/Phase/Frequency:208/230V, 1-Phase, 60 Hz
- Sound:36 / 36 / 34.5 / 32.5 / 25.5 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 (BTU Calculator) to dial in the right capacity.
Works With (Outdoor Units)
O-ES-12-HP-C-230C-O1, MULTI3-18HP230C-O, MULTI4-27HP230C-O, MULTI5-36HP230C-O, MULTI6-48HP230C-O
Included in Your Order
- MRCOOL Olympus 12K Ducted Air Handler– Model:DUCT-12HP-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
- Quiet operation down to25.5 dBA
- R-454Blow-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-12HP-230B-O |
| GTIN / UPC | 00840255587679 / 840255587679 |
| Unit Type | Mini-Split |
| Tonnage | 1 |
| 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 550 sq. ft. |
| Refrigerant Type | R-454B |
| Sound (dBA) | 36 / 36 / 34.5 / 32.5 / 25.5 |
| 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) | 400.2 / 323.7 / 264.9 / 176.6 / 117.7 |
| Blower Motor RPM | 780 / 680 / 580 |
| 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(see MRCOOL terms)
- 7-YearCompressor Coverage
- 5-YearParts Warranty
- Registered Labor Warranty: None
- Base Labor Warranty: None
Manuals & Downloads
- Olympus Series Brochure
- Olympus Duct Installation Manual
- Olympus Duct Wiring/Terminal Manual
- Olympus Duct 9–18K Service Manual
Please note:Indoor air handler must be matched with a compatible MRCOOL outdoor unit. Lineset, controls, and accessories sold separately.
