Mitsubishi MFZ-KX18NL & SUZ-AA18NLHZ 18,000 BTU 17.2 SEER2 Hyper Heat Floor-Mounted System - R454B - MFZKX18NL/SUZAA18NLHZ
The Mitsubishi MFZ-KX18NL & SUZ-AA18NLHZ is a robust, 18,000 BTU floor-mounted heat pump system engineered to provide reliable, year-round comfort in residential and light commercial spaces. Utilizing advanced Hyper-Heating INVERTER(H2i) technology, it delivers consistent heating down to 5°F and dependable operation even at outdoor temperatures as low as -13°F. The stylish MFZ-KX18NL indoor unit supports flexible installation—floor, slightly elevated, or recessed mounting—while the SUZ-AA18NLHZ outdoor unit boasts corrosion-resistant Blue Fin coating and efficient inverter-driven performance.
Ideal for larger rooms up to ~750 sq ft, this single-zone system offers ultra-quiet operation, smart connectivity options including Wi-Fi control, and energy-efficient heating and cooling in a compact footprint.
Features
Hyper-Heating INVERTER(H2i) Technology
Full heating capacity at 5°F, reliable down to -13°F outdoor temperatures.
Flexible Installation
Mounts on floor, slightly elevated, or recessed for design flexibility.
Whisper-Quiet Operation
Indoor noise levels as low as 21 dB—great for bedrooms and offices.
Blue Fin Coating
Protects outdoor coil from corrosion in harsh environments.
Advanced Filtration
Nano Platinum Filter neutralizes odors and captures airborne particles.
Smart Comfort Control
Compatible with Mitsubishi Electric’s Comfort app, remotes, and wired controllers.
Econo Cool & Powerful Modes
Energy-saving and rapid temperature adjustment options.
Grooved Piping & Multi-Flow Vane
Boosts heat exchange efficiency and improves airflow distribution.
Hot-Start Technology
Eliminates cold drafts by warming air only when the heat exchanger is ready.
What Our Experts Think
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Hyper-Heating INVERTER (H2i) technology ensures reliable heating in extreme cold.
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18,000 BTU output is ideal for medium-sized residential and light commercial spaces.
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Flexible floor-mounted design for standard, elevated, or recessed installation.
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Corrosion-resistant Blue Fin outdoor coil enhances longevity.
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Energy-efficient 17.2 SEER2 rating lowers operating costs.
Q&A
Q: How low of an outdoor temperature can it operate in?
A: Effective heating down to -13°F.
Q: Can it be installed in different floor configurations?
A: Yes, standard, slightly elevated, or recessed floor mounting is supported.
Q: Is it suitable for both residential and commercial use?
A: Yes, designed for medium-sized residential spaces and light commercial applications.
Q: What refrigerant does it use?
A: Eco-friendly R454B refrigerant.
Maintenance Tips
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Clean or replace filters monthly for optimal airflow.
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Inspect the outdoor unit regularly and remove debris.
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Schedule annual professional servicing to maintain inverter efficiency.
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Check for corrosion and clean Blue Fin coils as needed.
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Keep indoor unit area clear for proper airflow and quiet operation.
