Lennox Service & Repair from Jack Nelson Service Experts Heating & Air Conditioning in Tulsa Lennox has been producing high quality heating and air conditioning systems for more than a century. Your Grandma and Grandpa undoubtedly had Lennox equipment in their home—and in some cases still using that same system! If you have Lennox equipment maintaining your home comfort, you can rely on Jack Nelson Service Experts Heating & Air Conditioning in Tulsa to provide factory-authorized professional service and repair. We are a licensed, highly qualified, nationally certified heating and air conditioning contractor, with the skills and knowledge to keep your Lennox HVAC equipment operating in top form. And with utility costs that are bottom dollar. Reach out to Jack Nelson Service Experts in Tulsa today at 918-212-8927 for a Precision Tune-Up. That’s what we call our routine maintenance service that helps assure reliable, energy-efficient operation of your Lennox furnace or AC system. Or, if your Lennox heating and cooling equipment should ever need repair, give us a call anytime, 24/7/365.