Marc Climatic Controls, Inc., provides the highest quality air conditioning, heating, and pressurizing products. Our products are installed and operating in hazardous locations in refineries, petrochemical plants, offshor......Marc Climatic Controls, Inc., provides the highest quality air conditioning, heating, and pressurizing products. Our products are installed and operating in hazardous locations in refineries, petrochemical plants, offshore oil and gas facilities, and similar areas worldwide. Marc Climatics quality systems procedures from design, purchasing, receiving, manufacturing, inspection, and shipping insure the products we furnish are safe, reliable, fully functional, and dependable. Each product receives a thorough hands-on inspection and full electrical and function testing prior to shipment. CSA (C/US) Certified - Because of our commitment to product integrity, reliability, and safety, most of our products have received third party certification from CSA International for use in the United States, Canada, and many countries around the globe.