Quick answers to questions about ordering, compatibility, and installation.
Olympus = Best. The MRCOOL® Olympus 12,000 BTU (1 Ton) Recessed 4-Way Ceiling Cassette delivers quiet, high-efficiency heating and cooling with a clean, flush-mount ceiling design. Ideal for single rooms and zones up to ~550 sq. ft., this compact cassette maximizes floor and wall space while providing premium, evenly distributed comfort.
Professional Install Required: Olympus indoor cassettes are part of a traditional (non-DIY) mini split system. Refrigerant lines must be nitrogen pressure-tested and vacuumed before releasing charge from the outdoor condenser to ensure performance, efficiency, and warranty coverage.
| Model | Capacity | Voltage / Frequency | Coverage Area* | Installation | Airflow | Refrigerant | Warranty |
|---|---|---|---|---|---|---|---|
| CASSETTE12HP-230C-P-O | 12,000 BTU (1 Ton) | 230 V / 60 Hz | Up to ~550 sq. ft.* | Recessed 4-Way Ceiling Cassette (flush panel) | 360° multi-directional distribution | R-454B | 7-Year Compressor / 5-Year Parts (limited lifetime where applicable) |
*Coverage depends on insulation, climate, ceiling height, window area, and room layout. Always confirm sizing with your installer.
This Olympus cassette must be installed by a licensed HVAC technician. The line set must be nitrogen-tested and fully evacuated (vacuumed) before releasing the charge from the outdoor condenser. Proper commissioning maximizes efficiency, ensures reliability, and protects the factory warranty.
Order from MRCOOLDIYDirect.com—the USA’s most trusted MRCOOL® dealer—for genuine Olympus components, expert support, and fast nationwide shipping.
SKU: CASSETTE12HP-230C-P-O
Series: Olympus — Best Tier
Type: Ductless Mini Split Recessed 4-Way Ceiling Cassette with Panel
BTU: 12,000 (1 Ton)
Coverage: Up to ~550 sq. ft.
Refrigerant: R-454B
Availability: Ships Nationwide from MRCOOLDIYDirect.com
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Quick answers to questions about ordering, compatibility, and installation.
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