Mitsubishi Electric MSZ-GX12NL & MUZ-GX12NL 25.6 SEER2 Wall Mounted Heat Pump System - R454B - MSZGX12NL/MUZGX12NL
The Mitsubishi MSZ-GX12NL indoor unit, paired with the MUZ-GX12NL outdoor condenser, delivers efficient 12,000 BTU heating and cooling in a compact single-zone mini-split. Designed for rooms up to 500 sq ft, it’s an ideal choice for bedrooms, offices, and medium living spaces that demand quiet, consistent comfort.
Driven by an INVERTER compressor and eco-friendly R-454B refrigerant, the system maintains precise temperatures with minimal energy use. The slim indoor unit mounts cleanly on the wall, while Blue Fin and Dual Barrier coatings help keep internal components clean and corrosion-free for lasting efficiency.
Whisper-quiet sound levels, built-in Wi-Fi control, and advanced filtration make the MSZ-GX12NL & MUZ-GX12NL a smart, low-maintenance solution for year-round comfort.
Features
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INVERTER Technology: Variable-speed compressor for precise, energy-saving output
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All-Climate Heating: Delivers reliable warmth down to 5 °F outdoor temps
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Space-Saving Design: Low-profile wall unit blends seamlessly into décor
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Quiet Operation: Indoor sound as low as 19 dB(A) for minimal disruption
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Washable Electrostatic Enzyme Filter: Traps dust and allergens; easy to clean
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Built-In Wi-Fi: Control settings remotely with the Mitsubishi Comfort app
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What Our Experts Think
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High-efficiency 25.6 SEER2 rating for lower energy bills.
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Compact design fits bedrooms, offices, and medium living spaces.
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Quiet operation ensures minimal disruption.
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Reliable year-round heating and cooling with inverter technology.
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Uses eco-friendly R454B refrigerant for lower environmental impact.
Q&A
Q: What size space can this unit handle?
A: Ideal for rooms up to 500 sq ft.
Q: Is it energy-efficient?
A: Yes, 25.6 SEER2 rating ensures efficient cooling and heating.
Q: How quiet is the system?
A: Engineered for whisper-quiet operation, suitable for bedrooms and offices.
Q: Does it work in extreme temperatures?
A: Yes, designed to provide consistent comfort year-round.
Maintenance Tips
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Clean filters monthly to maintain airflow and efficiency.
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Inspect outdoor condenser for debris or obstructions.
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Schedule professional servicing annually for optimal performance.
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Ensure refrigerant levels are checked by a certified technician.
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Keep indoor unit free from dust buildup for quiet operation.
