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15 kW to 17.5 kW (approx. 51,000–60,000 BTU) cassette-type air conditioners are high-capacity, ceiling-mounted units suitable for large residential or commercial spaces. They feature 4-way airflow, inverter technology for energy efficiency, and often come with built-in Wi-Fi and condensate pumps. Popular options include LG’s 15kW/17.5kW UT60F, Midea 17.5kW units, and various Mitsubishi Electric options.
Key Features & Options
- Capacity: Suitable for large open-plan spaces, offices, or cafes requiring robust cooling/heating.
- Design: 4-way cassette design for even air distribution, often fitting within standard grid ceilings.
- Functionality: Many models are heat pumps offering both cooling and heating, with some featuring specialized air purification and motion sensors to optimize energy use.
- Installation: Requires a false ceiling to conceal the unit and ductwork, with units providing low-profile appearances.
Common Models/Manufacturers
- LG: The UT60F.NA0 4-way cassette provides 15.0 kW cooling and 17.5 kW heating.
- Midea: Offers 17.5 kW (60k BTU) DC Inverter models often paired with high-capacity outdoor units.
- Mitsubishi Electric: Known for the MLZ-KP series (1-way) or SLZ/PLFY series (4-way) for, respectively, tighter or more open spaces.
- Daikin: Offers compact 600mm x 600mm cassette models designed for quiet operation and easy installation.
Key Considerations
- Installation: Usually requires professional installation for refrigerant lines, electrical connection, and condensate drainage.
- Maintenance: Filters should be cleaned periodically; some units, like the Mitsubishi MLZ, allow for easier access without needing special access panels.
- Controls: Most modern units include wireless remotes or smart app controls (Wi-Fi).
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Requires Ceiling Space for Installation
One of the primary limitations of cassette air conditioning units is that they require sufficient ceiling space for installation. If your home or office has low ceilings or structural limitations, a cassette system may not be feasible.
One of the primary limitations of cassette air conditioning units is that they require sufficient ceiling space for installation. If your home or office has low ceilings or structural limitations, a cassette system may not be feasible.
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