Lennox Service & Repair from Golden Seal Service Experts Heating & Air Conditioning in Saint Charles 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 still using that same system! If you have Lennox equipment maintaining your home comfort, you can count on Golden Seal Service Experts Heating & Air Conditioning in Saint Charles 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 Golden Seal Service Experts in Saint Charles today at 630-246-2698 for a Precision Tune-Up. That’s what we call our routine maintenance service to help 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, 24/7/365.