Mitsubishi SLZ-AF09NL 9,000 BTU Four-Way Ceiling Cassette Indoor Unit (Unit Only) - R454B - SLZAF09NL
Bring discreet, powerful comfort with the Mitsubishi SLZ‑AF09NL, a flush‑mounted ceiling cassette unit designed for efficient heating and cooling in single‑zone or multi‑zone systems.
Compact & Efficient Performance
Delivers 9,000 BTU for cooling (11,000 BTU heating) using INVERTER-driven technology and R‑454B refrigerant—balanced efficiency and eco-friendly performance.
Sleek, Ceiling‑Recessed Design
Fits flush into a 2’ × 2’ ceiling grid with a low-profile appearance ideal for offices, retail, or living spaces.
360° & Multi‑Vane Airflow
Four-way airflow with independent vane control ensures even, customizable coverage for complete room comfort.
Quiet & Reliable Operation
Operates at whisper‑quiet levels (25–31 dB(A)) with a built-in 33″ condensate lift—ensuring quiet comfort and spill-free drainage.
Flexible System Compatibility
Ideal for pairing with outdoor units like SUZ‑AA09NL in efficient single-zone or multi-zone systems; compatible with wired/wireless controls and Comfort App.
Trusted Mitsubishi Quality
Backed by Mitsubishi’s 10‑year warranty when installed by a licensed contractor and registered within 90 days—ensuring peace of mind and durability.
What Our Experts Think
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Sleek 9,000 BTU four-way ceiling cassette designed for uniform airflow and quiet operation.
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Provides discreet, ceiling-mounted comfort for offices, commercial spaces, and medium-sized rooms.
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Compact, low-profile design fits between standard ceiling joists for easy installation.
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Inverter technology ensures energy-efficient operation with precise temperature control.
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R454B-compatible for next-generation multi-zone systems, offering long-term efficiency and compliance.
Q&A
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Q: Does this include the outdoor unit?
A: No—this is the indoor unit only and requires a compatible Mitsubishi outdoor unit.
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Q: What size space is this suitable for?
A: Ideal for medium-sized rooms around 300–450 sq. ft., depending on insulation.
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Q: Is it noisy?
A: No—engineered for whisper-quiet operation suitable for commercial or residential spaces.
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Q: How many directions does it distribute airflow?
A: Four-way airflow ensures even temperature distribution throughout the room.
Maintenance Tips
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Clean air filters every 3–6 months for optimal airflow and efficiency.
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Schedule annual professional maintenance to inspect coils, refrigerant lines, and electrical connections.
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Keep ceiling area around the unit free of dust and debris.
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Ensure the cassette remains level to prevent drainage issues.
