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MRCOOL DIY 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System 230V with 25 ft. DIY Quick Connect Line Set and DIYPRO Cable, - DIY-18-HP-WM-230D25-O

MRCOOL DIY 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System 230V with 25 ft. DIY Quick Connect Line Set and DIYPRO Cable, - DIY-18-HP-WM-230D25-O

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MRCOOL DIY 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System 230V with 25 ft. DIY Quick Connect Line Set and DIYPRO Cable, -  DIY-18-HP-WM-230D25-O

MRCOOL DIY 5th Gen E Star 18,000 BTU Single Zone Mini Split Complete System 230V with 25 ft. DIY Quick Connect Line Set and DIYPRO Cable, -  DIY-18-HP-WM-230D25-O

Upgrade your space with the 5th Gen MRCOOL DIY 18K BTU Single Zone Mini-Split - the ultimate solution for year-round heating and cooling in rooms 500 to 750 sq. ft. Engineered for effortless DIY installation, this  mini split lets you take control of your comfort with an included 25 ft. QuickConnect line set, DIYPRO cable, and multiple wireless control options. Whether using the SmartHVAC app, remote, or voice commands, achieving perfect temperature control has never been easier.

With industry-leading energy efficiency, durability, and a best-in-class warranty, MRCOOL is the trusted name in DIY climate control - giving you professional-grade performance without the hassle or expense of professional installation.

Features
  • America’s #1 DIY Mini Split: The nation’s most trusted DIY mini split, designed for quick, hassle-free installation and exceptional reliability.
  • DIY QuickConnect Line Set: Pre-charged with R-454B refrigerant, this line set ensures a quick, vacuum-free setup, making installation a breeze.
  • Eco-Friendly Refrigerant: R-454B refrigerant offers a lower Global Warming Potential (GWP) than older refrigerants like R-410A, reducing environmental impact while boosting energy efficiency.
  • DIYPRO Cable: Say goodbye to electrical conduit - this cable is built for durability and protection against outdoor elements and wildlife, ensuring long-lasting performance.
  • Wireless Control Options: Control your comfort with the included remote, the SmartHVAC app (compatible with Apple and Android), or use voice commands with Amazon Alexa or Google Assistant.
  • Follow Me Function: Enjoy consistent comfort with airflow that adjusts based on the remote’s location, ensuring even temperature distribution.
  • Dry Mode: Acts as a dehumidifier to reduce excess moisture, improving indoor air quality and creating a more comfortable environment.
  • Gold Fin Condenser: Offers superior corrosion resistance, making it perfect for coastal homes and ensuring durability for the long haul.
What our Experts Think
  • Balanced 18,000 BTU performance: Provides heating and cooling for spaces roughly 500–750 sq ft, making it ideal for living rooms, bedrooms, garages, or bonus rooms. R‑454B refrigerant offers strong efficiency with a lower environmental impact.

  • Energy‑efficient & certified: High ratings like 22.5 SEER2 and 11.5 HSPF2‑4 help reduce energy costs and support ENERGY STAR and AHRI certification for dependable year‑round comfort.

  • True DIY setup: Includes a 25 ft pre‑charged QuickConnect line set and DIYPRO cable, letting homeowners install without vacuum pumps or special tools—ideal for DIYers.

  • Smart comfort control: Manage temperature via wireless remote, the SmartHVAC app (iOS/Android), or voice with Alexa/Google Assistant, adding convenience and modern control.

  • Quiet, adaptable performance: Indoor noise levels range low to high depending on fan speed, delivering smooth comfort without disruptive sound.

  • SEO & Merchant Center optimized: Includes high‑impact terms like 18,000 BTU mini split, DIY QuickConnect line set, Energy Star, smart HVAC app control, and R‑454B refrigerant to improve online visibility and conversions

Q&A

Q: What is included with this system?
A: Includes an 18,000 BTU indoor air handler, outdoor condenser, 25 ft. DIY Quick Connect line set, and DIYPRO cable for plug-and-play installation. Mounting brackets and remote control are included.

Q: What voltage does this unit require?
A: Operates on 230V / 60Hz, suitable for larger rooms or spaces requiring higher capacity cooling and heating.

Q: What type of system is this?
A: Single-zone ductless mini split, providing both heating and cooling for one zone.

Q: Is this system suitable for DIY installation?
A: Yes, features DIY Quick Connect technology, enabling easy, professional-quality installation without specialized HVAC tools.

Q: What areas is this unit suitable for?
A: Efficiently cools and heats spaces up to approximately 900–1,000 sq. ft., depending on insulation and layout.

Q: What refrigerant does it use?
A: Uses R-410A refrigerant, environmentally friendly and energy-efficient.

Q: Is this system energy efficient?
A: Yes, part of the E-Star 5th Gen line, designed for high SEER efficiency and low electricity consumption.

Q: What style or design features does it have?
A: Sleek modern wall-mounted indoor unit with quiet operation and a compact, weather-resistant outdoor condenser.


Maintenance Tips
  • Clean Filters Monthly: Maintain airflow and energy efficiency.

  • Inspect Indoor & Outdoor Units: Remove dust, debris, and leaves.

  • Check Drain Line: Ensure condensation line is clear to prevent water damage.

  • Monitor DIY Quick Connect Lines: Check for leaks or damage.

  • Optional Annual Professional Tune-Up: Keeps system performing at peak efficiency.