All winter long, you depend on your furnace to meet the heating needs of your family and home. That's why we build Trane gas and oil furnaces to perform again and again, year after year. Beyond performance, we also provide options for energy-efficient operation. In fact, some of our furnaces operate at over 95% efficiency, which means that 95% of the fuel you pay for is actually converted into heat for your home. Trane's founder, Reuben Trane became an air conditioning pioneer in 1931. And to this day, every comfort system we make features the durability and reliability that are the hallmarks of every Trane product.