Mitsubishi MSZ-WX09NL 9,000 BTU Wall Mounted Indoor Unit - R454B - MSZWX09NL
The Mitsubishi MSZ-WX09NL is a 9,000 BTU wall-mounted mini split indoor unit offering efficient single-zone heating and cooling for spaces up to 350 sq ft. It features quiet operation, advanced air filtration, smart control options, and a 10-year parts warranty for reliable comfort.
Features
• 12-hour timer
• Auto restart
• Econo Cool: Econo Cool temporarily and automatically adjusts the airflow based on heat exchanger temperature. The set temperature is increased
slightly, which saves energy, while maintaining comfort.
• Electrostatic Enzyme Filer: Charged with static electricity, the Electrostatic filter is designed to attract and filter charged particles which can include
airborne non-living particulates.
• Four fan speed options: Low, Medium, high, Super-high
• Multiple control options including: Back-lit screen hand-held Remote Controller (provided with unit), comfort app, third-party interfaces and both wired
and wireless controllers
What Our Experts Think
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Compact 9,000 BTU wall-mounted unit ideal for single-zone spaces up to 350 sq ft.
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Quiet operation with advanced air filtration ensures a comfortable and clean environment.
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Smart-control compatibility allows convenient remote operation and scheduling.
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Efficient heating and cooling with inverter technology for year-round comfort.
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Backed by a 10-year parts warranty for long-term reliability.
Q&A
Q: What room size is this unit suitable for?
A: Up to 350 sq ft.
Q: Is it quiet enough for bedrooms or offices?
A: Yes, designed for low-noise operation.
Q: Can it be controlled remotely?
A: Yes, it supports Mitsubishi smart-control options.
Q: Does it include a warranty?
A: Yes, a 10-year parts warranty ensures peace of mind.
Maintenance Tips
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Clean the indoor filter every 4–6 weeks to maintain airflow and efficiency.
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Wipe the unit’s exterior and louvers regularly to prevent dust buildup.
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Keep the outdoor unit free from debris to maintain system performance.
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Schedule annual professional servicing to check refrigerant levels and overall system health.
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Monitor for unusual noise or reduced airflow as early signs of required maintenance
