MRCOOL 5 Zone 48K BTU (12K+9K+9K+9K+9K) 22 SEER2 Ductless Heat Pump DIY 5th GenHeat or cool five rooms with efficient zoning, quiet comfort, and an easy install that skips costly HVAC labor. The MRCOOL DIY Multi Zone 48,000 BTU Mini Split gives you flexible heating and cooling across five zoneswithout needing an HVAC contractor. With four 9K units (400 sq ft each) and one 12K unit (550 sq ft), this system is ideal for homes, rentals, or office setups that need total room by room control. With built in smart control, high