MRCOOL’s 4th Generation DIY 18K Mini Split Heat Pump is the latest innovation in the only ductless mini-split system on the market intentionally engineered for simple, DIY installation. It’s the perfect solution for garages, workshops, sunrooms, RVs, trailers, or any space that lacks ductwork.
Available MRCOOL DIY Single Zone Mini Split Sizes:
12,000 BTU – Covers up to 550 sq. ft.
18,000 BTU – Covers up to 800 sq. ft.
24,000 BTU – Covers up to 1,100 sq. ft.
36,000 BTU – Covers up to 1,500 sq. ft.
The 4th Gen 18K DIY model offers improved efficiency, enhanced performance, and a streamlined installation process. It’s specifically designed so that anyone can install it in just a few hours—no special tools or training required. You’ll save significantly on installation costs and may also qualify for rebates through its ENERGY STAR® certification.
This 18,000 BTU system is ideal for spaces around 800 square feet, making it one of the most affordable and effective heating and cooling options on the market today. It comes with MRCOOL’s latest SmartHVAC Wi-Fi module, which allows for easy setup and full integration with Amazon Alexa, Google Assistant, and mobile devices on iOS or Android platforms.
What's Included with the MRCOOL DIY 18K 22 SEER 230V System:
25 ft. pre-charged line sets with control wire for quick and easy installation
Remote control for simple operation
SmartHVAC Wi-Fi control module compatible with Apple, Android, Alexa, and Google Assistant
ENERGY STAR® certified for energy savings and rebate eligibility
7-year compressor warranty and 5-year parts warranty
DC inverter and variable-speed compressor for reduced energy consumption
Refrigerant leak detection for system protection and long-term efficiency
Gold Fin condenser for corrosion resistance—ideal for coastal or humid environments
If you're looking for dependable, energy-efficient climate control without paying for professional installation, the MRCOOL DIY 18K is a smart, user-friendly solution built to deliver comfort and savings.
BRAND NAME
MRCOOL
SERIES
DIY 4th Gen E STAR
MODEL
DIY-18-HP-WM-230C25
GTIN
00810035935167
UPC
810035935167
UNIT TYPE
Mini Split
SHORT DESCRIPTION
MrCool E Star DIY 4th Gen 18k BTU Ductless Mini-Split Heat Pump Complete System 208-230V/60Hz
BULLET 1
Up to 22 SEER
BULLET 2
Gold Fin® condenser: corrosion-resistant coastal living - don't worry, our condenser is built to resist long term corrosion
BULLET 3
Variable-speed DC inverter compressor technology cuts operating costs
BULLET 4
R-410A environmentally friendly refrigerant
BULLET 5
Standard 7-year compressor/5-year parts warranty; register for limited lifetime compressor warranty
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