Summer is upon us, and thinking about the best way to keep your home warm is probably one of the last things on your mind. However, just like getting your holiday shopping done early, summer is the perfect time to look into purchasing a new furnace. Be prepared when winter returns, and don't be caught in a chilly home.Most furnaces have a lifespan of between 15 and 20 years. However, older models with lower efficiency may be worth replacing before they have reached the end of their operational lifespan. Ultimately, investing in a new, high-efficiency furnace can save you as much as 40 percent on your energy bills.Many older furnaces can have efficiencies as low as 55percent. Modern furnaces, on the other hand, reach efficiencies of over 98 percent. What this means for you is that if you decide to upgrade your current furnace to a new model, less energy will be expended in heating your home.Retrofitting your current furnace is another way of improving the efficiency of your heating system and reducing your energy bill. This option is ideal for furnaces which haven't reached the end of their lifespan, but are not yet old enough to justify the purchase and installation of an entirely new unit.Air Assurance is committed to helping you make the right choice when making a decision about your furnace purchase. If you're considering purchasing a new furnace, don't hesitate to schedule a visit from one of our technicians, who can give you a free estimate on the price of the unit and installation.Our goal is to help educate our customers about energy and home comfort issues (specific to HVAC systems). For more information, click here. Air Assurance services Tulsa, Broken Arrow and the surrounding areas. To get started, check out our website or see our current promotions.