Read this tip to make your life smarter, better, faster and wiser. LifeTips is the place to go when you need to know about Furnaces and other HVAC topics.
If you are replacing an old furnace, find one with an efficiency rating that tops 90 percent. You could save thousands of dollars on utility bills over the service life of the heating system. The Lennox product line includes ENERGY STAR gas furnaces with AFUE ratings of 92 and 94 percent. Compare that to the rating on your old furnace, which may be as low as 50 or 60 percent.