Mitsubishi MLZ-KX12NL 12,000 BTU One-Way Ceiling Cassette Indoor Unit (Unit Only)- R454B - MLZKX12NL
Enhance your space with the Mitsubishi MLZ-KX12NL, a sleek ceiling cassette indoor unit designed for efficient heating and cooling in medium-sized rooms.
Powerful & Efficient Performance
Delivers 12,000 BTU of INVERTER-driven heating and cooling for precise temperature control and energy savings all year.
Discreet Ceiling Cassette Design
Flush-mounted into the ceiling, providing a low-profile look that seamlessly blends with any décor—ideal for offices, commercial spaces, or living rooms.
360° Airflow Distribution
Offers uniform airflow in all directions, ensuring even temperature and enhanced comfort throughout the room.
Quiet & Reliable Operation
Engineered for whisper-quiet performance with Mitsubishi’s trusted components for long-lasting durability.
Flexible System Compatibility
Pairs with Mitsubishi outdoor units like the SUZ-AA12NL or SUZ-AA12NLHZ for a complete, high-efficiency single-zone heat pump system.
Trusted Mitsubishi Quality
Backed by Mitsubishi’s industry-leading warranty when installed and registered by a licensed contractor.
What Our Experts Think
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A sleek 12,000 BTU one-way ceiling cassette designed for quiet, discreet comfort.
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Ideal for rooms where wall units are not preferred, offering uniform airflow with minimal visual impact.
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Slim-profile design fits between standard ceiling joists for easier installation.
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Powered by Mitsubishi’s advanced inverter technology for energy-efficient, stable temperature control.
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R454B-ready indoor unit ensures future-focused refrigerant compatibility for new-generation systems.
Q&A
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Q: What capacity is this unit?
A: It delivers 12,000 BTU, great for medium-sized rooms.
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Q: Does this include the outdoor unit?
A: No—this is the indoor unit only.
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Q: What type of installation does it require?
A: A one-way ceiling cassette setup with professional HVAC installation.
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Q: Is it compatible with R454B systems?
A: Yes, it is designed for use with R454B refrigerant-based Mitsubishi multi-zone systems.
Maintenance Tips
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Clean the return filters every 3–6 months to maintain airflow.
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Have a licensed technician inspect the coil and drain line annually.
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Keep the ceiling area around the unit free of dust and moisture.
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Ensure the cassette remains level to avoid drainage issues.
