MRCOOL® Olympus 18,000 BTU (1.5 Ton) Ductless Mini Split Ceiling Cassette with Panel 230 V / 60 Hz | CASSETTE18HP-230C-P-O
The MRCOOL® Olympus Series defines premium “Best Tier” comfort—built for professional installation, quiet performance, and elegant ceiling integration. The Olympus 18,000 BTU (1.5 Ton) Ceiling Cassette provides powerful, energy-efficient heating and cooling for spaces up to 800 sq. ft., making it ideal for larger bedrooms, living areas, and light commercial applications.
Important: Olympus indoor units are not pre-charged. Professional HVAC installation is required. The system must be nitrogen-evacuated and vacuumed prior to releasing the refrigerant charge from the outdoor condenser to maintain performance and warranty coverage.
Premium Ceiling Comfort with Modern Style
-
Seamless Ceiling Integration: Flush-mount recessed 4-way design blends with modern interiors and maximizes usable space.
-
Even Airflow Distribution: 360° discharge pattern ensures balanced heating and cooling throughout the room.
-
Quiet Operation: Low-noise fan (~44 dB) keeps environments peaceful while maintaining strong airflow.
-
Efficient Coverage: Ideal for rooms up to 800 sq. ft.—perfect for living rooms, open layouts, or office spaces.
-
Eco-Friendly Refrigerant: Uses advanced R-454B with low global warming potential (GWP).
-
Energy-Smart Performance: Engineered for efficiency to deliver year-round comfort while reducing utility costs.
-
Comprehensive Warranty: Limited Lifetime / 7-Year Compressor / 5-Year Parts Coverage for lasting confidence.
Technical Specifications
| Model |
Capacity |
Voltage / Hz |
Coverage Area* |
Air Distribution |
Sound Level |
Refrigerant |
Warranty |
| CASSETTE18HP-230C-P-O |
18,000 BTU (1.5 Ton) |
230 V / 60 Hz |
Up to 800 sq. ft.* |
Recessed 4-Way 360° Airflow |
≈ 44 dB (Quiet Mode) |
R-454B |
Lifetime (Limited) / 7 Compressor / 5 Parts |
*Actual coverage varies based on climate, insulation, and ceiling height.
Professional Installation Required
Olympus cassettes are professional-grade systems that require licensed installation. Technicians must perform a full nitrogen leak check and vacuum the lines before releasing the outdoor unit’s charge. Proper setup ensures peak efficiency, reliability, and valid warranty coverage.
Reminder: Olympus Series = Best Performance + Professional Installation Required.
What’s Included
- MRCOOL® Olympus 18K Ceiling Cassette Indoor Unit
- Decorative Flush Panel
- Installation Hardware and User Manual
Recommended Accessories
- Compatible Olympus Outdoor Condenser (properly sized)
- Refrigerant Line Set and Communication Cable (installer supplied)
- Condensate pump, drain hose, and surge protection kit
Nationwide Shipping & Trusted Support
Order from MRCOOLDIYDirect.com — the USA’s most trusted MRCOOL® dealer. Enjoy fast nationwide shipping, authentic Olympus products, and expert HVAC support.
SKU: CASSETTE18HP-230C-P-O
Series: Olympus – Best Tier
Type: Ductless Mini Split Recessed 4-Way Ceiling Cassette with Panel
BTU: 18,000 (1.5 Ton)
Coverage: Up to 800 sq. ft.
Refrigerant: R-454B
Warranty: Lifetime (Limited) / 7 Year Compressor / 5 Year Parts
Availability: Ships Nationwide from MRCOOLDIYDirect.com
Popular keywords: MRCOOL Olympus 18K ceiling cassette, 1.5 ton recessed mini split, CASSETTE18HP-230C-P-O, MRCOOL 4-way ceiling cassette, quiet 44 dB mini split, R-454B refrigerant, professional installation MRCOOL, nationwide shipping MRCOOL dealer.
