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Mitsubishi

Mitsubishi WR 12,000 BTU 18 SEER Wall Mounted Heat Pump System - MUZ-MSZWR12NA

Mitsubishi WR 12,000 BTU 18 SEER Wall Mounted Heat Pump System - MUZ-MSZWR12NA

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Mitsubishi WR 12,000 BTU 18 SEER Wall Mounted Heat Pump System - MUZ-MSZWR12NA

Features
  • WR-Series
  • Cooling & Heating
  • No
  • 1
  •  12,000 BTU
  • 1/4" x 3/8"
  •  
  • Yes with Kumo Cloud
  • No
What Our Experts Think
  • Balanced performance: 12,000 BTU capacity suitable for medium-sized rooms. 

  • Reliable efficiency: Rated up to 18 SEER2, offering strong cooling and heating with lower energy use.

  • Durable design: Blue Fin anti-corrosion coating on the outdoor coil extends system life.

  • Flexible controls: Features a four-speed fan, auto‑restart, 12‑hour timer, and supports Kumo Cloud or wired/wireless controllers.

  • Wide operating range: Works in cooling from 32 °F to 115 °F and heating down to 5 °F. 

Q & A

Q: What is the heating capacity?
A: Rated at 12,200 BTU, with a heat range that goes down to 5°F. 

Q: What type of refrigerant does it use?
A: Uses R‑410A, a commonly used refrigerant for mini splits.

Q: Does this system have energy-saving modes?
A: Yes, it includes an ECONO COOL mode to reduce power use while maintaining comfort. 

Q: Is the system noisy?
A: It offers multiple indoor fan speeds to keep operation quiet, from low to super-high. 

Q: What warranty or protection does the system have?
A: Specific warranty depends on the seller and region. (Check with your supplier or Mitsubishi dealer for details.)

Maintenance Tips
  • Clean or wash the indoor air filter regularly to maintain airflow and efficiency. 

  • Clear debris and leaves from the outdoor unit to protect the Blue Fin coil. 

  • Schedule annual professional servicing to verify refrigerant levels and system health.

  • Use the auto-restart and timer functions to run the system efficiently.

  • Ensure proper drainage of the condensate line to prevent water buildup and potential damage.