Purchase or rent a brand new furnace for only $49.95 per month and you do not have to be worried about expensive furnace repair anymore. New high efficiency two stage furnace with ECM variable speed blower motor will give you an even temperature trough out your house. If you do not have constant air movement trough out your house. There will be pockets of air around your home with stale. Sometimes they smell very unpleasant and also is not healthy. With constant movement of air in your home you will have a healthier and more pleasant home. You will sleep better. You will not have sense of sleeping while you are in your home. Experience has showed the gas furnaces loose their pick efficiencies as they get older. Having a brand new furnace not only gives you peace of mind but also reduces your gas bills significantly.