Ice Qube, Inc., an ISO 9001:2015 certified manufacturer of closed-loop cooling systems which includes, UL, cUL, CE certified air conditioners, heat exchangers and filtered fan systems. Ice Qube manufactures a wide range of Class 1 Division 2 Air conditioners, certified by UL, ETL & CSA. Zone 1 & 2 air conditioners are certified for ATEX & IECEx.