Free ShippingOver $300 on select brands
Great DiscountsCompetitive deals on top HVAC brands
Financing AvailableAs low as $175.67/mo
30-Day Return LimitReturns accepted within 30 days
Customer SupportWe're here to help
Home 12,000 BTU GS Series
GS Series

Mitsubishi Mini Split AC, R410A, 12,000 BTU, 1 Ton, 23.1 SEER Wall Mount Air Conditioner Ductless Mini Split, Heat Pump, Inverter System GS Single Zone - MSZ-GS12NA-U1 + MUZ-GS12NA-U1

SKU MSZ-GS12NA-U1 + MUZ-GS12NA-U1 Wall Mount208-230V
$2,108.05 $2,219.00 Save $110.95 (5%)
Currently unavailableContact us for lead time
High efficiency. Quiet performance. Easy installation.

A smart, reliable choice for year-round comfort.

Best for 9K-18K room setups:
  • Bedrooms
  • Home offices
  • Sunrooms
  • Small living rooms
12,000 BTU
Cooling
12,000 BTU
Heating
See specs
Quiet Inside
See specs
High Efficiency
Product Overview Full product description Read the longer product copy, features, and application notes.

Mitsubishi Mini Split AC, R410A, 12,000 BTU, 1 Ton, 23.1 SEER Wall Mount Air Conditioner Ductless Mini Split, Heat Pump, Inverter System GS Single Zone - MSZ-GS12NA-U1 + MUZ-GS12NA-U1


Video Previews:



OVERVIEW

With its advanced technology, Mitsubishi is recognized as one of the top mini split brands on the market. The MSZ-GS12NA-U1 / MUZ-GS12NA-U1 single-zone mini split lives up to Mitsubishi’s high standards, providing superior comfort with impressive efficiency.


QUICK FACTS

  • Ideal for heating and cooling a small room (in an optimal climate)
  • 12,000 BTU, 23.1 SEER
  • 230V electrical
  • Energy Star certified
  • Dry mode operation

Performance

12,000 BTU, 23.1 SEER

The MSZ-GS12NA-U1 / MUZ-GS12NA-U1 offers 12,000 BTUs, making it suitable for small rooms in many climates. With a 23.1 SEER rating, this unit has greater electrical efficiency than most central systems and is Energy Star certified. This mitsubishi mini split ac unit allows it to be installed across all mainland U.S. states. Additionally, Mitsubishi’s Econo Cool mode adjusts the cooling points on the air handler and sweeping vanes, enhancing efficiency while achieving faster temperature changes.


Warranty

The MSZ-GS12NA-U1 / MUZ-GS12NA-U1 includes Mitsubishi’s standard 5-year parts and 7-year compressor warranty. If the installation follows state and local codes and you register the Mitsubishi ductless air conditioner unit online, this warranty extends to 10 years for both parts and the compressor.


Durability and Reliability

The Blue Fin condenser design makes the MSZ-GS12NA / MUZ-GS12NA resistant to wind, dust, salt, and rust, extending its lifespan significantly. With an operating temperature as low as -4°F, this unit is designed to perform reliably even in extreme conditions.


Superior Comfort

Mitsubishi Mini Split Heat Pump units are dedicated to providing top-notch comfort. The MSZ-GS12NA-U1 / MUZ-GS12NA-U1 features:

  • Hot-start function: Prevents cold air from blowing into the room when heating, waiting until the heat exchanger is ready.
  • Dry mode: Enhances dehumidification, providing a superior experience compared to other brands.

Smart Technology for Ease

Equipped with Smart Set technology, the MSZ-GS12NA-U1 / MUZ-GS12NA-U1 ensures consistent temperature by adjusting airflow, direction, and output temperature. When paired with Kumo Cloud or Cielo thermostats, it can connect to the internet, allowing remote control from anywhere with internet access. Additionally, the air handler uses its own air for quick and efficient heating, providing comfort faster.


Health-Focused Filtration

Mitsubishi’s dedication to user health is evident in the MSZ-GS12NA-U1 / MUZ-GS12NA-U1’s advanced filtration system. This Mitsubishi Wall Air Conditioner unit combines deodorization, anti-allergen, and microbial breakdown functions, delivering a cleaner, healthier indoor environment.


Technical Specifications:

Product Name
12,000 BTU 23.1 SEER Wall Mounted Mitsubishi Mini Split GS Single Zone Heat Pump - MZ-GS12NA
SKU MSZ-GS12NA-U1 / MUZ-GS12NA-U1
Refrigerant Charge Pre-Charged for: 25'
Weight (in lbs) 115 lbs
AHRI Certificate Number 202680595
Brand/Manufacturer Mitsubishi
Controller Wireless Included
Product Features Rebate Available
Additional Information
Heat Pump, Maximum Line Set Length: 65', Drain: 5/8"
HSPF 13.2
HSPF2 10.7
Cooling BTU 12,000 BTU
Heating BTU 14,400 BTU
Maximum CFM 109-399 CFM
Decibel Level (dBA) Indoor Unit: 19-45
Energy Star Yes
Refrigerant R410A
Capacity Dehumidification Rate: 0.38 gal/hr
SEER1 (Efficiency) 23-24
SEER2 (Efficiency) 25.5
EER 13.05
Liquid Line 1/4"
Suction Line 3/8"
Electrical 208/230V, 1 Phase, 60 Hz
Phase Single Phase
Max Breaker Size 15
Min. Breaker Size 9
Amperage Requirement 15
BTU/Tonnage 12,000 BTU / 1 Ton
Mini Split Type Wall Mounted
Min/Max Outdoor Temp for Heating -4° - 75°F
Min/Max Outdoor Temp for Cooling 14° - 115°F
Zone Compatibility Single Zone
Operating Mode Cooling, Heating
Height Indoor Unit: 11-5/8"
Width Indoor Unit: 31-7/16"
Depth Indoor Unit: 9-1/8"
Additional Info Indoor Unit Weight: 22 lbs
Warranty 10 Years with Online Registration
Resources
Safety Information PROPOSITION 65 WARNING

 

Specs & Documents Product details Open technical specs, manuals, videos, and product documents.

Technical Data

Specs, manuals, videos, and product documents

Loading technical data…

Customer Reviews Reviews & ratings Open verified customer feedback for this product.