Trane is a worldwide manufacturer and supplier of central air conditioning systems, equipment, controls, service and parts for commercial, industrial and institutional buildings and a premier brand for residential air conditioning.

Trane is comprised of Trane Commercial Systems, the world’s leading supplier of equipment and services for the commercial air conditioning market, and Trane Residential Systems, a leading supplier of residential heating and cooling equipment.
Trane is a division of American Standard (NYSE: ASD), a global manufacturer with market-leading brand positions in three businesses--Trane®, its worldwide brand in the heating, ventilation and air conditioning sector.

Featured natural gas products are Direct fired absorption chillers 100-1100 tons; Trane GPC (gas-powered CenTraVac)

http://www.trane.com