MRCOOL DIY 5th Gen 4-Zone 36,000 BTU 23 SEER2 (6K + 9K + 9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes Popular there is an emergency operation

there is an emergency operation mode to test or force cooling after installation or maintenance

which come pre-charged with R-454B refrigerant for a faster and simpler installation—no vacuum pump required

and HVAC equipment from MRCOOL® and many other major brands

000 BTU 22 SEER2 4 Zone Ductless Mini Split System - 6K + 6K + 12K + 18K can cool through the Summer

Heat or cool up to five rooms with the MRCOOL DIY Multi-Zone 36

MRCOOL DIY 5th Gen 4-Zone 36,000 BTU 23 SEER2 (6K + 9K + 9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes Popular there is an emergency operationMRCOOL DIY Multi Zone 5th Gen 36K BTU Four Zone Ductless Mini Split with Ceiling Cassettes 6K + 9K + 9K + 12K A Heating and AC System You Can Install By Yourself! MRCOOL DIY Series Ceiling Cassettes provide efficient heating and cooling while remaining out of sight and discreet, making them a perfect fit for any space. The cassette features an easy, low profile installation and can be recessed between all types of joists on 16 inch center including