MRCOOL DIY 5th Gen E Star 12K BTU Single Zone Mini Split Complete System with 25ft Line Set 115V

Experience year-round comfort with the MRCOOL 5th Generation DIY 12,000 BTU Single Zone Mini Split System, expertly designed to provide energy-efficient heating and cooling for spaces ranging from 350–500 square feet. Ideal for bedrooms, living rooms, offices, garages, and home additions, this ductless mini split system combines powerful performance, smart technology, and an easy DIY installation process without requiring specialized HVAC tools or professional installation.

Equipped with a 25-foot QuickConnect® line set and durable DIYPRO® cable, this system makes installation faster and more convenient while delivering reliable climate control and exceptional energy savings. Control your comfort from anywhere using the SmartHVAC app, included wireless remote, or voice commands through Amazon Alexa and Google Assistant.

Key Features & Benefits

• Simple DIY Installation – Designed for homeowners seeking an easy-to-install mini split system without the need for specialized tools, vacuum pumps, or professional experience.
• 25-Foot QuickConnect® Line Set – Pre-charged with eco-friendly R-454B refrigerant for a streamlined, vacuum-free installation process.
• Advanced R-454B Refrigerant Technology – Features next-generation refrigerant with a lower Global Warming Potential (GWP) than R-410A, helping reduce environmental impact while improving system efficiency.
• Heavy-Duty DIYPRO® Cable – Replaces traditional electrical conduit and offers enhanced protection against weather exposure, UV damage, and wildlife interference.
• Smart Climate Control Options – Easily manage your mini split system using the wireless remote, SmartHVAC mobile app for Apple and Android devices, or voice control with Amazon Alexa and Google Assistant.
• Follow Me® Comfort Function – Automatically adjusts airflow and temperature based on the location of the remote control for more precise and personalized comfort.
• Dry Mode Dehumidification – Helps reduce indoor humidity levels, improving air quality and maintaining a more comfortable living environment.
• Gold Fin® Corrosion Protection – Built with a corrosion-resistant condenser coating for increased durability and dependable performance, especially in coastal and high-humidity areas.
• Industry-Leading Warranty Protection – Includes a 7-year compressor coverage, and a 5-year parts warranty for long-term confidence and reliability.
• Intertek Certified Performance – Intertek listed (5031495) to meet rigorous safety, efficiency, and performance standards.

The MRCOOL DIY 5th Gen 12K BTU Mini Split is the perfect solution for homeowners looking for an energy-efficient ductless heating and cooling system with smart home compatibility, easy installation, and dependable year-round comfort.

Specifications

Information & Manual

Installation Manual

Brochure

Service Manual

Remote Manual

Accessory Manual

Warranty Info

AHRI Cert

Energy Guide