The first modern oil furnace with a high-voltage system for self lighting was unveiled in 1918. By the mid-1920s, demand for oil furnaces was high and rising. Being a liquid, oil flows and can be ...

While the initial cost of furnace installation can be significant, it is a worthwhile investment that pays off through energy savings and improved comfort. High-efficiency furnaces may have a higher ...

install and maintain a Lennox furnace unit wherever you are located. Lennox also has one of the highest AFUE ratings and best ...