Mitsubishi PKA-AL12NL & PUY-AK12NL 12,000 BTU 21.1 SEER2 Wall Mounted Cooling Only System - R454B - PKAAL12NL/PUYAK12NL
The Mitsubishi PKA‑AL12NL indoor unit paired with the PUY‑AK12NL outdoor condenser delivers efficient 12,000 BTU cooling for single-zone applications. Designed for commercial environments, this inverter-driven mini-split system provides reliable, quiet comfort for spaces up to ~500 sq ft. It operates with R‑454B refrigerant and features durable construction for dependable performance.
Features
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INVERTER Technology: Variable-speed compressor for energy-efficient, responsive performance
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Commercial-Grade Build: Engineered for continuous operation in light-commercial settings such as server rooms, offices, and retail spaces
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Durable Construction: Features anti-corrosion coating and robust design for long-term reliability
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Quiet Operation: Indoor sound levels as low as 34 dB(A) for discreet performance
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Smart Control Ready: Compatible with wired and wireless controllers for flexible system management
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Airflow Control: Adjustable vanes and auto-swing mode promote even air distribution throughout the room
What Our Experts Think
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12,000 BTU wall-mounted cooling-only system ideal for single-zone commercial spaces up to ~500 sq ft.
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Inverter-driven mini-split provides energy-efficient, precise cooling.
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Quiet operation ensures comfort in offices, boutiques, or small commercial areas.
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Durable construction and R454B refrigerant deliver reliable, eco-friendly performance.
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Compact design integrates seamlessly into walls without occupying floor space.
Q&A
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Q: What size area is suitable for this system?
A: Ideal for small single-zone spaces up to ~500 sq ft.
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Q: Is it energy-efficient?
A: Yes, 21.1 SEER2 rating with inverter technology reduces energy use.
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Q: Can it operate quietly in commercial settings?
A: Yes, designed for whisper-quiet operation.
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Q: What refrigerant does it use?
A: R454B, a low-GWP, environmentally friendly refrigerant.
Maintenance Tips
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Clean or replace filters monthly to maintain airflow and efficiency.
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Schedule annual professional maintenance for refrigerant and system checks.
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Keep outdoor unit clear of debris for optimal performance.
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Inspect wall unit and mounting periodically for stability.
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Ensure condensate lines remain unobstructed to prevent water damage.
