MRCOOL DIY 5th Gen Multi-Zone 2-Zone 48,000 BTU 22 SEER2 (12K + 36K) Ductless Mini-Split Air Conditioner and Heat Pump

Heat or cool two rooms with the MRCOOL DIY 5th Gen Multi-Zone 48,000 BTU 22 SEER2 2-Zone Ductless Mini Split Heat Pump System (12K + 36K). This powerful system combines one 12,000 BTU air handler (ideal for spaces up to 550 sq. ft.) and one 36,000 BTU air handler (perfect for up to 1,650 sq. ft.), delivering year-round comfort with energy efficiency you can count on.

As part of the MRCOOL DIY Series, this system features true Do-It-Yourself installation with Quick Connect® line sets pre-charged with eco-friendly R-454B refrigerant—no vacuum pumps, gauges, or special tools required. Save thousands on installation while enjoying professional-level performance.

With advanced inverter technology and a 48,000 BTU condenser, this ductless heat pump can cool in summer, heat in winter, and dehumidify during wet seasons. Control each zone independently with the included remotes, or use the MRCOOL Smart Controller app, compatible with Amazon Alexa and Google Home.

Built for convenience, the indoor air handlers feature an easy-to-read digital display, troubleshooting alerts, and air filter cleaning reminders. Sleep Mode, Follow Me® functionality, and customizable timers help maximize efficiency while lowering energy bills.

This system is backed by a 7-year compressor warranty, 5-year parts warranty, plus a limited lifetime compressor warranty for added peace of mind.

Key Features

• ✅ Easy DIY® Installation – Quick Connect® line sets pre-charged with R-454B refrigerant

• ✅ Multi-Zone Comfort – Includes 12K + 36K air handlers (up to 2,200 sq. ft. combined)

• ✅ High Efficiency – 22 SEER2 rating with energy-saving inverter technology

• ✅ Smart Controls – App control, voice compatibility, remotes included

• ✅ Year-Round Use – Cooling, heating, dehumidifying, and auto modes

• ✅ Durability & Support – Gold Fin® condenser, sealed system, lifetime tech support