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What Size MRCOOL Mini Split Do I Need?
MRCOOL Mini Split Line Set Length Limits
The MRCOOL® Easy Pro® 18K BTU 230V Wall Mounted Ductless Mini-Split Heat Pump System delivers powerful, energy-efficient heating and cooling for spaces up to 800 square feet . This complete system pairs the EZPRO-18-HP-C-23011DE-O outdoor condenser with the EZPRO-18-HP-WMAH-230DE-O wall-mounted indoor air handler to create a cohesive, modern look that complements any interior style .
Ideal for large living rooms, master suites, finished basements, garages, workshops, and open-concept areas, it provides consistent year-round comfort while helping reduce energy usage and monthly utility costs .
High-Efficiency Performance
The system delivers impressive performance with a 20 SEER2 cooling rating and 8.5 HSPF2-4 heating efficiency . With 17,000 BTU/h cooling and 18,000 BTU/h heating capacity, this 1.5-ton system provides steady, reliable comfort throughout the year while using less energy than traditional systems .
True DIY Installation
Built for true do-it-yourself installation, the system requires no specialized HVAC tools or professional experience . The included 11.5-foot Quick Connect® line set arrives factory pre-charged with environmentally friendly R-454B refrigerant, eliminating the need for vacuum pumps, refrigerant handling, or specialized HVAC tools . This reduces installation time and minimizes common setup errors. The included DIYPRO® cable further streamlines setup by replacing traditional electrical conduit while protecting wiring from moisture, pests, and everyday wear .
Smart Control & Comfort Features
Comfort control is simple and flexible with the included wireless remote featuring Follow Me® technology, which regulates temperature based on the remote's location in the room . The MRCOOL® Comfort app allows you to adjust temperatures, create schedules, and monitor energy usage from anywhere . Voice-control compatibility with Amazon Alexa and Google Assistant adds hands-free convenience .
Advanced features like Dry Mode, Sleep Mode, Auto Mode, and programmable scheduling automatically balance comfort and efficiency . Active Clean Technology helps maintain a fresh indoor coil and simplifies filter maintenance for healthier air . The Gold Fin® condenser coating provides enhanced corrosion resistance, making the system well suited for humid or coastal environments .
Quiet & Reliable Operation
With indoor noise levels as low as 18.5 dB(A) in Silent mode and the outdoor unit operating at just 55 dB(A), this system is among the quietest mini-splits on the market . Low Ambient Cooling maintains reliable performance even when outdoor temperatures drop to 5°F, making it suitable for server rooms and greenhouses . The system operates reliably from -13°F to 122°F ambient temperatures .
Peace of Mind
For added peace of mind, the MRCOOL® Easy Pro® 18K system is backed by a 5-year compressor warranty and a 3-year parts warranty with online registration . This industry-leading coverage reflects MRCOOL's confidence and pride in the quality, durability, and performance of every unit.
Certifications & Rebate Eligibility
This system is ETL listed, AHRI Certified, NEEP ccASHP Listed, and CEE Tier 1 – North qualified for rebate eligibility . The use of R-454B refrigerant makes it a future-ready, eco-friendly choice .