Here at Ingram’s Water and Air, we believe that the most critical component in a gas furnace is the heat exchanger. That’s exactly why there is a patented dual diameter tubular heat exchanger in every HVAC Direct gas furnace. This incredible design delivers exceptional performance despite the outdoor climate or the design of the home. Some features of the furnace that are equally amazing are the wrinkle bend technology and the muffler joints. All of the features that are associated with this heat exchanger are designed and developed to make HVAC Direct the most durable choice for you. When you compare the design of our heat exchangers, along with the durability and performance ratings, it’s easy to see why a HVAC Direct brand gas furnace should be in your home. Call us at 1-855-INGRAMS so that we can help you decide which furnace will work most effectively for your indoor temperature requirements.