MRCOOL DIY 5th Gen Multi-Zone 4-Zone 36,000 BTU 23 SEER2 (9K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump flash-sale If you have the newer

If you have the newer DIY-MULTI4-36HP230C

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and reliable customer service

Convenient aerosol spray: Easy to apply for service work

By activating the Elevation function on the remote controller (or smart controller)

MRCOOL DIY 5th Gen Multi-Zone 4-Zone 36,000 BTU 23 SEER2 (9K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump flash-sale If you have the newerMRCOOL DIY Multi Zone 5th Generation 36K BTU Four Zone Ductless Mini Split A Heating and AC System You Can Install By Yourself! Heat or cool four rooms with the MRCOOL DIY Multi Zone 36,000 BTU 22 SEER 4 Zone Ductless Heat Pump Split System 9K + 9K + 9K + 9K. This DIY Series multi zone product features easy installation that requires no special tools or training. You'll save thousands of dollars on installation and you can get the amazing air comfort