Be Affordably Comfortable When You Use Our HVAC Financing We understand that purchasing a new heating and cooling system is a large investment, which is why Jett's Heating & Air Inc. in McHenry provides a selection of financing options so that you can choose which plan is going to work best for your budget. Helping you achieve the best home comfort possible is our goal, and we want to make sure you can find an HVAC system that works efficiently and effectively for your home in Northeast Illinois. The innovative technology that exists within the systems that we offer will have you questioning why you waited so long! And a newer system that works more efficiently will help bring down your utility bills. We’re here to discuss the financing options, so that you can get started with your new heating and cooling system right away. Give us a call at 815-410-1128 or you can book an appointment online.