CSA (C/US) CERTIFIED explosion proof air conditioners, explosion proof air conditioning, explosion proof HVAC, explosion proof air-con, hazardous location air conditioners, hazardous duty air conditioners, flameproof air conditioners, explosion proof heaters, pressurization units, pressurizing units, explosion proof fans, ventilation fans and other equipment for hazardous locations in petrochemical, refining and offshore industries. explosion proof, exppetrochemical, refinery, offshore, marine, room pressurization, chiller, process chiller, packaged air conditioner, packaged a/c, split systems, condensing units, unit coolers, exhaust blower, koolkart, safetycool, hazardcool, unit coolers, air filtration, pressure blower, turn-key, wallmount, wall-mount, wall mount, Airpak, AirPAC, Trak, Mac, InPac, Industrial HVAC