Mitsubishi SLZ-AF15NL 15,000 BTU Four Way Ceiling Cassette Indoor Unit (w/ Standard Grille) - R454B - SLZAF15NL
The Mitsubishi SLZ‑AF15NL with SLP‑18FAU delivers 14,100 cooling and 18,000 BTU heating with quiet, efficient 360° airflow and a sleek ceiling-mounted grille. Ideal for modern spaces, it offers smart controls and energy-efficient, whisper-quiet comfort.
What Our Experts Think
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The Mitsubishi SLZ-AF15NL Four-Way Ceiling Cassette (with SLP-18FAU Standard Grille) is an excellent choice for those wanting even, 360° comfort without sacrificing aesthetics.
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Delivering 14,100 BTU cooling and 18,000 BTU heating, this cassette is ideal for mid-sized rooms up to ~700 sq ft.
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Its compact, ceiling-flush design makes it perfect for modern homes, offices, studios, retail spaces, and conference rooms.
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The unit’s quiet operation and INVERTER-driven performance ensure consistent temperatures with impressive efficiency.
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It supports smart controls, integrates cleanly into drop ceilings, and includes the Standard Grille, offering a minimalist, professional finish.
Q&A
Q: What type of spaces are best for this ceiling cassette?
A: Rooms where floor or wall space is limited—such as offices, living rooms, shops, spas, and small commercial areas—benefit most from its unobtrusive ceiling design.
Q: Does it provide uniform airflow?
A: Yes. Its 4-way discharge and 360° airflow pattern eliminate hot and cold spots, creating consistent comfort throughout the room.
Q: Can it be used for heating as well?
A: Absolutely—this model provides 18,000 BTU of heat, making it a strong year-round comfort solution.
Q: Is it compatible with smart controls?
A: Yes. It can integrate with Mitsubishi's Wi-Fi adapters and select third-party control systems for remote temperature management.
Q: Is installation flexible?
A: The unit fits standard ceiling grids and works well in both residential and light commercial spaces that allow for cassette installations.
Maintenance Tips
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Clean or replace the air filter every 1–3 months, depending on use and environment.
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Keep the ceiling cassette's intake and discharge areas dust-free for optimal airflow.
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Have a professional inspect the refrigerant charge and electrical components once per year.
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Ensure the condensate drain is clear to prevent water leakage.
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Check the grille periodically for dust buildup to maintain whisper-quiet performance.
