HOT ! MRCOOL 5th Gen Advantage 18k BTU Ductless Mini-Split Heat Pump System with 16ft. Line Set 230V

The MRCOOL® Advantage 5th Generation 18,000 BTU Mini-Split Heat Pump offers reliable, high-efficiency heating and cooling for rooms up to 800 sq. ft. Designed for year-round comfort, this ductless system features a WiFi-compatible indoor air handler and a corrosion-resistant outdoor condenser with Gold Fin® protection. It uses next-generation R-454B refrigerant, which provides significant environmental benefits with 80% lower Global Warming Potential than traditional R-410A.

With a SEER2 rating of 19.2 and HSPF2-4 rating of 9.6, this unit balances performance and energy savings. Remote access is available through the MRCOOL® SmartHVAC app and via voice control with Google Assistant and Amazon Alexa. The included remote features Follow Me® technology, sensing your location for a personalized comfort experience.

Additional features include quiet operation, built-in leak detection, timer mode, and advanced diagnostics. A professional HVAC technician must install the system to maintain warranty coverage and ensure proper performance.

Key Features

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  Smart Control Integration – Built-in WiFi supports Amazon Alexa, Google Assistant, and the MRCOOL® SmartHVAC app.

  
  


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  High Efficiency – Rated at 19.2 SEER2 and 9.6 HSPF2-4 for strong year-round energy savings.

  
  


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  Follow Me® Function – Remote control detects your location to deliver custom comfort where you are.

  
  


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  Quiet Operation – Indoor operation as low as 19 dB(A), ideal for bedrooms and offices.

  
  


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  Eco-Friendly Refrigerant – R-454B refrigerant has 80% lower GWP compared to R-410A.

  
  


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  Gold Fin® Condenser Protection – Resists corrosion in humid or coastal environments.

  
  


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  Low Ambient Operation – Operates in temperatures as low as 5°F for both heating and cooling.

  
  


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  Built-In Diagnostics – Includes timer mode and refrigerant leak detection for efficient, safe performance.Professional Installation Required – Must be installed by a licensed HVAC professional.

  
  


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  Warranty Coverage – 1-year parts and remote, 2-year compressor; optional lifetime compressor coverage with MRCOOL® Care.

  
  

Specifications

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  Brand: MRCOOL®

  
  


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  Series: Advantage 5th Generation

  
  


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  Product Type: Single-Zone Ductless Mini-Split Heat Pump

  
  


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  Voltage: 230V, 1 Phase, 60 Hz

  
  


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  Cooling Capacity: 18,000 BTU

  
  


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  Heating Capacity: 18,800 BTU

  
  


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  SEER2 Rating: 19.2

  
  


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  EER2 Rating: 10.8

  
  


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  HSPF2-4 Rating: 9.6

  
  


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  HSPF2-5 Rating: 7.5

  
  


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  Coverage Area: Up to 800 sq. ft.

  
  


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  Zone Capacity: 1

  
  


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  Outdoor Operating Temperature (Cooling): 5°F – 122°F

  
  


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  Outdoor Operating Temperature (Heating): 5°F – 86°F

  
  


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  Refrigerant Type: R-454B

  
  


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  Refrigerant Volume: 40.57 oz

  
  


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  Liquid Line Size: 1/4\"

  
  


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  Suction Line Size: 1/4\"

  
  


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  Max Line Set Length: 98.4 ft.

  
  


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  Indoor Noise Level (Hi/Mi/Lo): 50.5 / 45 / 36 / 24 / 19 dB(A)

  
  


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  Outdoor Noise Level: 56.0 dB(A)

  
  


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  Compressor Type: Rotary

  
  


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  Inverter: DC

  
  


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  Condenser Dimensions: 31.69\" W x 12.99\" D x 21.81\" H

  
  


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  Air Handler Dimensions: 37.99\" W x 8.46\" D x 12.56\" H

  
  


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  Condenser Weight: 72.31 lbs

  
  


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  Air Handler Weight: 24.47 lbs

  
  


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  Max Fuse Breaker: 20A

  
  


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  Min Circuit Ampacity: 15A

  
  


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  Wifi Compatibility: Yes

  
  


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  App Compatibility: Yes

  
  


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  Works with iOS: Yes

  
  


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  Works with Android: Yes

  
  


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  Remote Control Included: Yes

  
  


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  Fan Only Option: Yes

  
  


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  Quiet Mode: Yes

  
  


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  Auto Cool: Yes

  
  


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  Certifications: UL Listed, CSA Listed, ETL Listed, AHRI Certified

  
  


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  Warranty: 1-Year Parts, 2-Year Compressor, 1-Year Remote; Optional Lifetime Compressor Coverage with MRCOOL® Care Program

  
  

BTU Size Chart

Which BTU rating should I choose?

• The appropriate BTU rating depends on the size of the space you need to heat or cool.


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  A higher BTU indicates greater heating and cooling capacity, allowing the air handler to effectively condition larger areas.

*Ceiling height, insulation quality, and local climate can all affect the actual coverage area. For instance, an uninsulated space will need more BTUs to maintain comfort compared to a well-insulated room.

Shipping & Returns

Shipping Policy

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  Free Shipping on All Orders – We provide free standard delivery on all orders within the contiguous U.S.

  
  


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  Ground Shipping for Smaller Items – Accessories and lighter products ship via standard ground carriers such as FedEx, UPS, or similar.

  
  


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  Freight Delivery – Large items (HVAC/Heaters) ship via LTL freight. Drivers deliver to the curbside only; they cannot bring items into your home or garage.

  
  


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  Tracking Information – Tracking is typically provided within 1 business day once your order ships.

  
  


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  Carrier Updates – Once tracking is issued, allow 1–2 business days for the carrier to populate shipment details.

  
  


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  More Information – Full details can be found on our Shipping Policy page.

  
  

Return Policy

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  30-Day Return Window – Return requests must be submitted within 30 days of delivery; requests after this period cannot be accepted.

  
  


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  Inspect Upon Delivery – Visible damage must be noted on the driver\'s paperwork. Report all damage within 24 hours to qualify for a replacement.

  
  


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  Return Condition Requirements – Items must be unused, uninstalled, and in original packaging, including all boxes, crates, or pallets.

  
  


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  Restocking Fees – Restocking fees of 25–35% apply to most brands; see full policy for details.

  
  


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  Non-Returnable Items – Accessories, small components (remotes, line sets), and custom-finish items are non-returnable.

  
  


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  Full Details – See our Return & Refund Policy page for complete guidelines.