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MRCOOL Oasis HH 18K Mini Split Air Conditioner And Heat Pump 20.5 SEER

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$1,519.00 $1,749.00

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MRCOOL Oasis Hyper Heat 18K BTU Ductless Mini Split Air Conditioner And Heat Pump 230 volt 20.5 SEER

This system is meant to be installed by a HVAC technician. The MRCOOL Oasis HH Series wall-mounted ductless mini-split heat pump is the air comfort system you need to ensure your home stays cost effective, and comfortable all year. This system uses hyper-heat technology to ensure efficient and effective heating performance when outdoor temperatures become bitterly cold. 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 HH Series ductless heat pump should be exactly what you've been searching for. After all, shouldn't your home be an Oasis all year long.


  • MrCool Oasis HH 18K BTU Heat Pump Condenser (Outdoor Unit):  O-HH-18-HP-C-230 
  • MrCool Oasis HH Wall Mount Air Handler 230 volt 20.5 SEER (Indoor Unit):  O-HH-18-HP-WMAH-230
  • 16' Line Set (Connection from Indoor to Outdoor Unit includes copper tubing, control wire, 6' drain hose, and wall sleeve)
  • 1 Remote Control
  • Owners Manual
  • Warranty Document


  • Timer: MRCOOL Oasis HH saves you time and energy with its intuitive timer set to your personal schedule and customized settings.
  • Sleep Mode: 24-Hour Comfort - Super Simple Sleep Mode is a breeze to program and will save you money so you can rest easy.
  • Auto Swing: Easily set airflow to personal preference, or let MRCOOL Oasis automatically distribute air evenly throughout the space.
  • Louver Position Memory: Customized Air Flow - Set the louver to direct the air right where you want it and MRCOOL Oasis will remember your louver position preference every time you turn it on.
  • Low Ambient Cooling: Smooth running in any temperature - Need to keep a tiny house or cabin cool even in unforgiving weather conditions? Low ambient cooling will prevent heat exchanger frosting all winter long.
  • Super Quiet Running: MRCOOL Premier runs efficiently, effectively, and quietly all at the same time.
  • Supreme Efficiency: Eco-Friendly Comfort - Tiny home owners understand the importance of efficiency and MRCOOL Hyper Heat is the perfect solution designed to conserve electricity and save you money.
  • Energy Star Certified: Estimated national average annual operating cooling cost is $50 based on AHRI certificate #8967213.


MrCool Oasis Hyper Heat 18K General Specs:

  • Cooling: 17,000 BTU
  • Heating: 18,000 BTU
  • Max Coverage Area: 750 sq ft
  • SEER: 20.5
  • EER: 12.5
  • Voltage: 208-230 V
  • Min Circuit Ampacity: 15 A
  • Refrigerant Type: R-410A
  • Low Ambient Cooling: 5°F

O-HH-18-HP-WMAH-230 (Indoor Wall Mounted Air Conditioning Unit):

  • Dimensions (H x W x D): 12.4" X 38.98" X 8.58"
  • Net Weight: 26.89 lbs

O-HH-18-HP-C-230  (Outdoor Condenser Unit):

  • Dimensions (H x W x D): 27.64" X 33.27" X 14.29"
  • Net Weight: 107.4 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"


    MRCOOL Oasis HH 18K Mini Split Review:



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    MRCOOL Oasis HH 18K Mini Split Air Conditioner And Heat Pump 20.5 SEER

    $1,519.00 $1,749.00

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