HOT ! Out of Stock｜ Other Products ｜MRCOOL DIY® 5th Generation Energy Star 12,000 BTU Single Zone Mini Split System with 25ft Line Set, 115V

The MRCOOL DIY® 5th Generation 12,000 BTU Single Zone Mini Split System is an energy-efficient, easy-to-install heating and cooling solution designed for spaces up to 550 sq. ft. With its pre-charged 25-ft QuickConnect® Line Set, this system eliminates the need for vacuuming or special tools, making DIY installation simple and cost-effective. Featuring advanced smart technology, energy savings, and durable construction, it’s the perfect climate control solution for homes, offices, and workshops.

Effortless DIY Installation

Pre-Charged QuickConnect® Line Set: The included 25-ft line set comes pre-charged with R-454B refrigerant, allowing for tool-free installation without requiring a vacuum pump or professional HVAC technician.

DIYPRO® Cable: Simplifies installation by eliminating the need for electrical conduit, ensuring a faster, safer setup.

Energy Efficiency & Smart Climate Control

23.5 SEER2 & ENERGY STAR® Certified: High-efficiency operation reduces energy consumption and lowers utility bills while maintaining superior comfort.

Variable-Speed Inverter Compressor: Adjusts performance based on demand to deliver consistent heating and cooling with minimal energy waste.

Follow Me® Technology: Automatically adjusts temperature based on the remote control’s location, ensuring even and precise comfort.

Multi-Platform Smart Control:

Control from anywhere using the MRCOOL SmartHVAC app (iOS & Android).

Hands-free voice control via Amazon Alexa & Google Assistant.

Wireless remote control included for easy in-room adjustments.

Custom Scheduling: Set heating and cooling cycles to match your lifestyle and maximize efficiency.

Reliable Year-Round Comfort

Cooling Capacity: 12,000 BTU, ideal for rooms up to 550 sq. ft.

Heating Capacity: 12,000 BTU, providing powerful cold-weather heating in addition to cooling.

Dry Mode: Functions as a dehumidifier, reducing excess moisture for improved indoor air quality.

Quiet Operation: Indoor noise level as low as 24.5 dB ensures a peaceful environment.

4-Way Adjustable Louvers: Direct airflow where it’s needed most for customized comfort.

Built for Durability & Extreme Conditions

Gold Fin® Corrosion-Resistant Condenser: Withstands coastal and high-humidity environments, extending system longevity.

Auto Restart & Sleep Mode: Automatically resumes operation after power outages and adjusts settings for energy-efficient nighttime performance.

Technical Specifications

Cooling Efficiency: 23.5 SEER2

Heating Efficiency: 10.3 HSPF2

Voltage: 115V (Standard residential power supply)

Line Set Length: 25-ft Pre-Charged QuickConnect® (R-454B Refrigerant)

Indoor Unit Sound Level: As low as 24.5 dB

Airflow Control: 4-way directional louvers

What’s Included?
✔ 12,000 BTU MRCOOL DIY® 5th Gen Indoor Air Handler (115V)✔ 12,000 BTU MRCOOL DIY® 5th Gen Outdoor Condenser (115V)✔ 25-ft Pre-Charged QuickConnect® Line Set (R-454B Refrigerant)✔ DIYPRO® Cable (Eliminates the Need for Electrical Conduit)✔ Wireless Remote Control✔ MRCOOL SmartHVAC USB Controller® (Compatible with Google Assistant & Amazon Alexa)

Industry-Leading Warranty for Peace of Mind

7-Year Compressor Coverage
5-Year Parts Protection
eligible for the MRCOOL® Care Program enrollment

Upgrade your home’s heating and cooling experience with the MRCOOL DIY® 12,000 BTU 5th Generation Mini Split System—a powerful, smart, and efficient HVAC solution designed for easy installation and long-lasting comfort.
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