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MRCOOL DIY 5th Gen E Star 18K BTU Single Zone Mini Split Complete System with 25ft. Line Set 230V, DIY-18-HP-WM-230D25-O

DIY-18-HP-WM-230D25-O

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Business Address:
MRCOOL HVAC Supply by Commerce Unlimited LLC
22571 SE 313th PL, Black Diamond
WA 98010
United States

EIN: 99-2993778
DUNS: 132128346

Business hours: Monday to Friday 9:00 am - 5:00 pm PST

Phone: +1 833-928-0535
Email: support@mrcoolhvacsupply.com

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Introducing the 5th Generation MRCOOL DIY 18K BTU Single Zone Mini-Split Air Handler, engineered to provide efficient heating and cooling for areas ranging from 500 to 750 square feet. Designed for effortless installation, this system includes a 25-foot QuickConnect line set and DIYPRO cable, eliminating the need for specialized tools or professional assistance. Advanced climate control features allow for easy customization using the wireless remote, SmartHVAC app, or voice commands. Built for energy efficiency and long-term performance, this unit is backed by an industry-leading warranty.

  • Straightforward DIY Installation: No specialized tools or prior experience required for a seamless setup.
  • QuickConnect Line Set: Pre-charged with R-454B refrigerant, enabling a vacuum-free installation process.
  • Eco-Friendly Refrigerant: Uses R-454B refrigerant, which has a lower Global Warming Potential (GWP) compared to R-410A, minimizing environmental impact while maximizing efficiency.
  • Durable DIYPRO Cable: Eliminates the need for traditional electrical conduit, providing enhanced protection against outdoor conditions and wildlife interference.
  • Multiple Control Options: Adjust temperature and settings effortlessly with the included remote, SmartHVAC app (compatible with Apple and Android), or voice commands via Amazon Alexa and Google Assistant.
  • Follow Me Function: Maintains consistent comfort by adjusting airflow based on the remote’s location.
  • Dry Mode: Reduces excess humidity to improve indoor air quality and create a more comfortable environment.
  • Corrosion-Resistant Design: Gold Fin condenser enhances durability, making it ideal for coastal areas.
  • Comprehensive Warranty Coverage: Includes a limited lifetime warranty, a 7-year compressor warranty, and a 5-year parts warranty for added peace of mind.
  • Certified Quality: Intertek-listed (5031495) to meet high safety and performance standards.


This unit is an excellent choice for homeowners seeking a reliable, energy-efficient climate control solution with a simple installation process and advanced comfort features.

Our Mission

Our Teams Focus

At MRCOOL HVAC Supply, we strive to deliver the highest quality residential and commercial HVAC systems. Our mission is to provide an exceptional customer experience by helping you find the perfect system to meet your needs while saving money. With units designed for easy installation and minimal reliance on licensed technicians, MRCOOL's products offer unparalleled convenience. Even for systems requiring professional installation, MRCOOL’s user-friendly designs ensure you can enjoy a climate-controlled environment quickly and efficiently.

At MRCOOL HVAC Supply, we strive to deliver the highest quality residential and commercial HVAC systems. Our mission is to provide an exceptional customer experience by helping you find the perfect system to meet your needs while saving money. With units designed for easy installation and minimal reliance on licensed technicians, MRCOOL offers unparalleled convenience. Even for systems requiring professional installation, MRCOOL’s user-friendly design ensures you can enjoy a climate-controlled environment quickly and efficiently.

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