MRCOOL
MRCOOL DIY Series 5th Gen OuttaSight 18K BTU 230V One-Way Ceiling Cassette
DIYCASSETTE18HP-230D25-O
18,800 BTU · 208/230V · R-454B
Part of DIY OuttaSight Ceiling Cassette – Air Handlers
- Cooling capacity
- 18,800 BTU1.5 tons
- Room size
- 800
- Power
- 208/230V15A breaker
- Refrigerant
- R-454B
- Install
- DIYPre-charged, no vacuum
$1,440.00 each
Not sure about the size? Use the BTU sizing calculator, or call us and we'll size it with you. This is a DIY system: the pre-charged line set connects without a vacuum pump or gauges.
Build a multi-zone system with this air handler →
Distributor pricing and stock: call 678-467-5515 or email sales@discountkings.net.
About this product
The 5th Generation MRCOOL® DIY® Series Outtasight® 18K BTU 230V One-Way Ceiling Cassette provides efficient and powerful climate control for areas up to 800 sq. ft. Designed for effortless installation, it eliminates the need for specialized tools, offering a cost-effective and straightforward setup. Ideal for both multi-zone and single-zone applications, this unit fits seamlessly between 16” ceiling joists, including pre-manufactured I-joists, ensuring a flush, modern appearance. Unlike conventional ceiling cassettes that require extensive ductwork or valuable wall space, this system provides flexible installation, making it perfect for both new construction and retrofit projects. It connects effortlessly to the MRCOOL® DIY® Quick Connect® line set, pre-charged with R-454B, an eco-friendly refrigerant, eliminating the need for vacuuming and simplifying the installation process. Advanced filtration improves indoor air quality, while the Elevation function allows the filter panel to lower for easy maintenance and cleaning. With whisper-quiet operation and multiple control options—including a wireless remote, SmartHVAC app, and compatibility with Amazon Alexa and Google Assistant—this system ensures customized comfort. Supported by a 7-year compressor/5-year parts warranty and eligibility for the MRCOOL® Care Program, the MRCOOL® Outtasight® Ceiling Cassette offers reliable performance and year-round comfort.
- Low Profile Installation
- Fits between 16" Ceiling Joists
- Works with Multi and Single Zone Systems
- Two-Stage DC motor
- Quiet Operation
- Multiple Operating Modes
- Remote Included
- Advanced Filtration
- Swing Technology
Documents & manuals
Specifications
| Type | Air handler (indoor unit) |
|---|---|
| Series | DIY OuttaSight Ceiling Cassette |
| Cooling capacity | 18,800 BTU |
| Heating capacity | 22,700 BTU |
| Nominal size | 1.5 tons |
| Coverage | 800 |
| Airflow | 400 / 352 / 300 / 207 / 207 CFM |
| Sound level | 41.5 dBA |
| Voltage | 208/230V |
|---|---|
| Phase | 1-phase |
| Min. circuit ampacity (MCA) | 3 A |
| Max. breaker (MOP) | 15 A |
| Wi-Fi / app control | Yes |
| Refrigerant | R-454B |
|---|---|
| Liquid line | 1/4" |
| Suction line | 1/2" |
| Installation | DIY — pre-charged quick-connect line set, no vacuum pump needed |
| Indoor unit / mounting | Ceiling |
|---|---|
| Dimensions (in) | 50.31 W × 13.19 D × 8.98 H |
| Weight | 45 lb |
| Shipping weight | 88 lb |
| Color | White |
| Compressor warranty | 7 years |
|---|---|
| Parts warranty | 5 years |
| UPC | 840255587525 |

