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MrCool Oasis O-ES-12-HP Ductless Mini Split 12K

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  • Overview
  • Tech Specs
  • Features
  • PDFS
  • Reviews


  • Model: O-ES-12-HP
  • VOLTAGE: 208/230/1
  • COOL AREA (SQ. FT.): 400

The MRCool O-ES-12-HP Mini Split heat pump is the air comfort system you need to ensure your home stays comfortable, cool, and cost effective for as long as you desire. This high quality ductless heat pump is energy efficient, packed with great features, and priced to meet most household budgets. If you need targeted air comfort for a single zone in your home or need more general air conditioning, a MRCool Oasis ES ductless heat pump should be exactly what you've been searching for. After all, shouldn't your home be your Oasis.



  • Cooling: 12,000 BTU
  • Heating: 12,000 BTU
  • SEER: 21.5
  • EER: 13
  • Voltage: 208/230/1
  • Min Circuit Ampacity: 15 A
  • Refrigerant Type: R410A
  • Low Ambient Cooling: 5°F

Indoor Unit

  • Indoor Unit: O-ES-12-HP-WMAH-230
  • Dimensions (H x W x D): 11.69" X 31.57" X 7.44"
  • Net Weight: 18.1 lbs

Outdoor Unit

  • Outdoor Unit: O-ES-12-HP-C-230
  • Dimensions (H x W x D): 21.81" X 31.5" X 13.11"
  • Net Weight: 81.6 lbs

Line Sets

  • Lineset: 16ft or 25
  • Liquid Line Fitting: 3/8"
  • Liquid Line Size: 1/4"
  • Suction Line Fitting: 5/8"
  • Suction Line Size: 1/2"


  • Follow Me: Personalized Performance - Keep the remote close by, and MRCOOL Oasis will track the air temperature around you ensuring maximum comfort.
  • Timer: Like Clockwork - You can set MRCOOL Oasis to start or stop operation automatically according to your personalized schedule. This will save energy and time.
  • Auto Swing: How do you like it? - You can set airflow to personal preference, or allow MRCOOL Oasis to automatically distribute air evenly throughout the space.
  • Low Ambient Cooling: Smooth running in any temperature - Need to keep a hot kitchen or computer room cool even in bad weather? Low ambient cooling will prevent heat exchanger frosting all winter long.
  • Turbo: Immediate Relief - When you need air comfort as soon as possible, Turbo will help you get there quickly.
  • Auto Restart: Automatic Convenience - In the event of a power outage, MRCOOL Oasis restarts automatically when the power returns without you having to lift a finger.
  • System Protection: Protecting Your Investment - MRCOOL Oasis automatically detects when internal coolant levels drop too low. It will alert you to the problem before the compressor is damaged or air comfort degrades.
  • Sleep Mode: 24-Hour Comfort - We made Sleep Mode easy to program to save money, and let you sleep a little easier.
  • Quiet Running: Tranquility - Interior air comfort is wonderful, but not if a loud compressor keeps you up at night. MRCOOL Premier runs efficiently, effectively, and quietly all at the same time.
  • Louver Position Memory: Airflow Customization - Set the louver to direct the air exactly where you want it to flow. MRCOOL Oasis will remember your preferences, and set the louver accordingly every time you turn it on.
  • Supreme Efficiency: Green Comfort - Making more out of less is the best way to conserve energy and the environment. MRCOOL Oasis is designed to operate on a fraction of the electricity needed to power many previous generation air conditioning systems.
  • 3D Air Flow: Premium Air Quality - MRCOOL Oasis ES 3D air flow distributes clean, crisp conditioned air wherever and whenever you need it. In the heating and air industry, 3D air flow is the epitome of luxury and capability. It will make you wonder how you ever survived without it.
  • Install Kit Includes: Copper tubing, control wire, 6 ft. drain hose, wall sleeve.
  • Energy Star certified: Estimated national average annual operating cooling cost is 70 dollars based on AHRI certificate #8967214.
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