Mitsubishi MSZ-WX18NL 18,000 BTU Wall Mounted Indoor Unit - R454B - MSZWX18NL
Experience high-capacity, single-zone comfort with the Mitsubishi MSZ‑WX18NL, a sleek wall-mounted indoor unit built for residential or light commercial spaces up to ~750 sq ft.
Slim, Modern Design
With compact dimensions of 33″ W × 11″ H × 9″ D, this low-profile unit blends seamlessly into any space while preserving valuable floor area.
Quiet, Energy-Saving Operation
Equipped with inverter technology and four fan speeds, the MSZ‑WX18NL delivers precise climate control with quiet performance down to 32 dB(A). Energy-efficient features include Econo Cool, Smart Dry mode, a 12-hour timer, and auto-restart after power loss.
Advanced Filtration
Dual-stage filtration includes an Electrostatic Enzyme Filter and Nano Platinum Filter to capture dust, reduce allergens, and neutralize odors for healthier air quality.
Smart & Flexible Control
Includes a back-lit remote and supports Mitsubishi’s Comfort Control app, as well as wired and wireless controller options for customizable control solutions.
Durable & Dependable
Designed for long-term performance and reliability, this unit is backed by a 10-year parts warranty when installed and registered by a licensed contractor.
Ideal for larger rooms needing quiet, powerful, and energy-efficient comfort with advanced air filtration and modern control options.
What Our Experts Think
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High-capacity 18,000 BTU wall-mounted indoor unit ideal for large rooms, open-concept spaces, or offices.
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Uses environmentally friendly R454B refrigerant for improved efficiency and compliance with modern standards.
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Advanced airflow and whisper-quiet operation provide consistent comfort without noise disruption.
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Sleek, compact design integrates seamlessly with interior decor while maximizing wall space.
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Perfect for pairing with compatible Mitsubishi outdoor heat pump units for reliable year-round heating and cooling.
Q&A
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Q: What room size is this unit suitable for?
A: Recommended for medium to large rooms, up to ~700 sq. ft.
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Q: Does it support both heating and cooling?
A: Yes, when paired with a compatible Mitsubishi heat pump outdoor unit.
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Q: Is it quiet?
A: Yes, designed for whisper-quiet operation suitable for bedrooms and offices.
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Q: Does it include a remote?
A: Yes, comes with a full-function wireless remote for convenient control.
Maintenance Tips
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Clean or replace air filters monthly to maintain airflow and efficiency.
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Keep the intake and louvers dust-free for consistent operation.
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Schedule annual professional maintenance for optimal long-term performance.
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Avoid harsh chemicals that may damage the unit’s finish.
