Scientific Systems LLC, in business since 1965, manufactures explosion-proof and severe duty air conditioning and refrigeration equipment in standard and custom-built designs to customer specification, specially designed for Refineries, Offshore Platforms, Paper Mills and Chemical Plants. From small explosion proof window units to heavy-duty industrial package systems, control room pressurization ventilators, Roof Top Packaged and Split systems. Portable Koolkarts and Mobile TMAC units provide reliable temporary spot cooling and heating in capacities from 2-ton to 200-ton in mobile, portable or stationary designs. SCIENTIFIC SYSTEMS DOES EXPLOSION PROOF RIGHT! Scientific Systems excels in designing air-conditioning equipment for Harsh and Hazardous environments. The Specialty Air conditioning and Refrigeration group comprises an amalgamation of various companies primarily engaged in the design, manufacture and sale of various types of specialized HVAC and indoor air quality equipment. Though diverse, the groups of companies have synergetic strengths to provide the customer with sophisticated products and solutions. Standard products for quick shipments as well as custom tailor-made units are available. Our team of engineers is available to guide, help, service and support the end users and the engineering community. The group has products in over 40 Countries Worldwide.