Mitsubishi SEZ-AD15NL & SUZ-AA15NL 15,000 BTU 19.1 SEER2 Horizontal Ducted System - R454B - SEZAD15NL/SUZAA15NL
Pairing the slim SEZ‑AD15NL horizontal‑ducted indoor unit with the SUZ‑AA15NL outdoor condenser creates a high‑efficiency 15,000 BTU single‑zone heat‑pump solution ideal for larger bedrooms, open‑concept living areas, or quiet office suites. Mitsubishi’s INVERTER‑driven compressor and eco‑friendly R‑454B refrigerant deliver precise load‑matching comfort and strong part‑load efficiency, while Blue Fin coil coating shields the outdoor unit from corrosion.
At just 7‑7/8 inches tall, the SEZ‑AD15NL tucks easily into ceiling joists, soffits, or shallow closets. A factory‑installed condensate lift pump simplifies drainage in concealed installs, and indoor sound drops to a whisper‑quiet 23 dB(A). The system heats and cools spaces up to roughly 650 sq ft and boasts ENERGY STARperformance for year‑round savings. Control is effortless with wired or wireless remotes and full smartphone access via the kumo cloudapp.
Features
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INVERTER‑Driven Compressor for energy‑saving variable capacity
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Ultra‑Slim 7‑7/8 " Cabinet fits tight ceiling spaces
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Quiet Operation as low as 23 dB(A)
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Built‑In 21 " Drain Pump for hassle‑free condensate removal
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Blue Fin Anti‑Corrosion Coating extends outdoor coil life
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Advanced Controls with kumo cloud, wired/wireless remotes, and thermostat interfaces
What Our Experts Think
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15,000 BTU capacity provides reliable heating and cooling for rooms up to ~650 sq ft.
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Slim horizontal ducted design fits neatly into ceilings or tight spaces.
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Quiet operation ensures comfort in bedrooms, open living areas, or office suites.
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INVERTER-driven compressor delivers energy-efficient, precise load-matching performance.
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Eco-friendly R‑454B refrigerant for low-GWP, environmentally conscious operation.
Q&A
Q: What spaces is this system ideal for?
A: Perfect for larger bedrooms, open-concept living spaces, and quiet office suites.
Q: How efficient is it?
A: Features a 19.1 SEER2 rating and INVERTER technology for energy savings and precise climate control.
Q: Is it suitable for quiet operation?
A: Yes—designed for minimal noise, ideal for residential and professional spaces.
Maintenance Tips
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Clean air filters regularly to maintain airflow and efficiency.
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Inspect ductwork for leaks or obstructions.
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Schedule annual servicing to check refrigerant levels and electrical connections.
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Ensure proper clearance around the outdoor unit for optimal performance.
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Monitor condensate lines to prevent clogs or water buildup.
