Description
MRCOOL DIY Series 5th Gen OuttaSight 9K BTU 230V One-Way Ceiling Cassette Air Handler – DIYCASSETTE09HP-230D25-O
The 5th Generation MRCOOL® DIY® Series OuttaSight® 9K BTU 230V One-Way Ceiling Cassette provides a powerful and efficient climate control solution for areas up to 400 sq. ft. Designed for simple installation, this unit eliminates the need for specialized tools, making setup quick, cost-effective, and straightforward. Made for multi-zone configurations, the cassette is engineered to fit seamlessly between 16” ceiling joists, including pre-manufactured I-joists, ensuring a discreet, flush-mounted appearance. Unlike conventional ceiling cassettes that require bulky ductwork or dedicated wall space, this unit offers versatile installation, making it a perfect choice for new construction or retrofit applications.
This cassette works effortlessly with the MRCOOL® DIY® Quick Connect® line set, which is pre-charged with R-454B refrigerant, an eco-friendly solution that removes the need for vacuuming. It features advanced filtration to improve indoor air quality, while the Elevation function makes filter maintenance easy by lowering the panel for hassle-free access. With whisper-quiet operation and multiple control options—including a wireless remote, SmartHVAC app, and voice control via Amazon Alexa and Google Assistant—this system ensures customized comfort. Supported by an industry-leading warranty, including a limited lifetime warranty, 7-year compressor warranty, and 5-year parts warranty, the MRCOOL® Outtasight® Ceiling Cassette guarantees long-lasting performance, modern technology, and year-round climate control.
Features
- 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
Specifications
| Dimensions | 13.19″ D x 8.98″ H x 50.31″ W |
|---|---|
| CFM | 341 / 294 / 259 / 235 / 235 |
| Voltage (V) | 208-230 |
| Phase | 1 |
| Cycle | 60 |
| Max Fuse Breaker (A) | 15 |
| Min Circuit Ampacity (A) | 3 |
| Mount Type | Ceiling |
| Color | White |
| Rated Load | 0.8 |
| Max Coverage Area | 400 |
| Refrigerant Type | R-454B |
| Decibel Rating (DBA) | 36 |
| Decibel Rating Low (DBA) | 24 |
| Decibel Rating High (DBA) | 38 |
| Air Flow Direction | 1-Way |
| Liquid Line Size | 1/4 |
| Suction Line Size | 3/8 |
| Blower Motor RPM | 1104/994/784 |
| Filter Type | Reusable |
| Fan Only Option | Yes |
| Quiet Mode | 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 |
| Registered Warranty | Limited Lifetime Compressor |
| Base Warranty | 5-Year Part/7-Year Compressor |
| Bas Parts Warranty | 5 Years |
| Registered Compressor Warranty | Limited Lifetime Compressor |
| Base Compressor Warranty | 7 Years |
| Has Batteries | Yes |
| Contains Electronics | Yes |
| Contains Chemicals | Yes |
| Contains Aerosol | Yes |
| Contains Compressed Gas | Yes |
| Proposition 65 Warning | Yes |
| Restricted States | GU;PR;VI |
| Net Weight (Lbs) | 45 |
| Gross Weight (Lbs) | 88 |
What our Experts Think
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Compact & Powerful – At 9,000 BTU, this one-way ceiling cassette is perfect for bedrooms, offices, or small living areas.
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Discreet Design – Installs in the ceiling for a clean, space-saving look with quiet, even airflow.
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DIY-Friendly – Designed for quick installation with MRCOOL’s DIY® mini split systems, no special tools required.
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Efficient Comfort – Provides reliable cooling and heating for year-round comfort.
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Flexible Application – Ideal for homeowners who want comfort without the bulk of a wall-mounted unit.
Q&A
Q: What room size is ideal for this 9K BTU cassette?
A: It comfortably handles spaces up to 375 sq. ft..
Q: Can I install this myself?
A: Yes — it’s designed for true DIY installation with the included pre-charged No-Vac line set.
Q: How does the one-way cassette work?
A: It distributes air in a single directional flow, making it great for rooms with straightforward layouts.
Q: Is this compatible with all MRCOOL DIY condensers?
A: It pairs with MRCOOL DIY 5th Gen single and multi-zone condensers.
Q: Does it support both heating and cooling?
A: Yes — when connected to a compatible MRCOOL condenser, it works as a heat pump system for year-round comfort.
Q: Why choose a ceiling cassette instead of a wall unit?
A: The OuttaSight design blends into the ceiling, saving wall space and offering a clean, modern look.
Maintenance Tips
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Clean or replace air filters every 1–2 months to ensure consistent airflow.
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Wipe the grille and panel surface to prevent dust accumulation.
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Inspect the condensate drain line regularly to avoid clogs or leaks.
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Confirm that the 25 ft. line set connections remain tight and secure.
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Keep the ceiling cassette vents unobstructed for balanced air distribution.
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Check the remote or smart control functions periodically.
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Schedule annual professional maintenance to verify coil condition and system performance.
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