Jack Nelson Service Experts Heating & Air Conditioning in Tulsa Hello! We’re Jack Nelson Service Experts Heating & Air Conditioning in Tulsa. We’ve been servicing you and our Tulsa community since 1979, and we’ve developed an entire roster of NATE-certified service technicians who have experience servicing, repairing and installing nearly every brand of furnaces, air conditioners, air handlers, inside air quality and related equipment. In fact, we have 9 technicians and 13 service trucks in the Tulsa area alone. And you know what? That means that you have our skilled professionals just minutes away, whether you’re in need of a furnace repair in the middle of a cold winter night or an AC repair on a sweltering summer day. Just think of Jack Nelson Service Experts as your all-around HVAC company. We fix all makes and models of furnace and AC systems, and we sell them, too. Really, we do it all – residential service and maintenance, commercial HVAC services, indoor air quality. Additionally, we offer many home energy solutions so you can start reducing your heating and cooling expenses. Even better, all of our work is backed by our 100% Service Guarantee for 365 days. That’s our motto: “Expert Service, Guaranteed.” Call Jack Nelson Service Experts in Tulsa at 918-212-8927 now to schedule an HVAC repair service, routine maintenance or to request a free new system estimate.