Lennox Service & Repair from R & M Climate Control Service Experts Heating & Air Conditioning in Knoxville Lennox has over a century of history producing some of the best heating and air conditioning systems available anywhere. Your Grandma and Grandpa likely had Lennox equipment in their home—and in some cases they may still have the same system! If you have Lennox equipment maintaining your home comfort, you can trust R & M Climate Control Service Experts Heating & Air Conditioning in Knoxville to offer 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. Contact R & M Climate Control Service Experts in Knoxville today at 865-229-6176 for a Precision Tune-Up. That’s what we call our routine maintenance service available to assure reliable, energy-efficient operation of your Lennox furnace or AC system. Or, if your Lennox heating and cooling equipment should ever need repair, contact us anytime, we’re always open for you.