Founded in 1885, Trane designs and manufactures commercial systems that provide heating, ventilation and air conditioning for buildings. The company has a work force of more than 25,000 employees. It also specializes in residential heating and commercial solutions that improve indoor environmental quality. Trane additionally collaborates with building owners, engineers and contractors to offer various services, including temporary cooling, chiller upgrades and performance contracting. It serves the commercial, residential, institutional and industrial markets. The company also operates nearly 200 aftermarket supply stores. It additionally specializes in dehumidifying and air cleaning products, as well as aftermarket services. Trane offers massive chillers in commercial air conditioning systems. Since 2008, the company is a part of Ingersoll Rand.