Knochelmann Service Experts Heating & Air Conditioning in Cincinnati Introducing Knochelmann Service Experts Heating & Air Conditioning in Cincinnati. We’ve been servicing you and our Cincinnati community since 1927, and we’ve created a full roster of NATE-certified service technicians who know how to service, repair and install all of the top brands of furnaces, air conditioners, air handlers, inside air quality and related equipment. As a matter of fact, we have 9 technicians and 10 service trucks in the Cincinnati area alone. And you know what? That means that you have our expert technicians just minutes away, whether you’re in need of a furnace repair in the middle of a cold winter night or an AC replacement before summer arrives. Just think of Knochelmann Service Experts as your all-around HVAC company. We repair all makes and models of heating and cooling systems, and we sell them, too. Really, we do it all – residential service and maintenance, commercial HVAC services, indoor air quality. We also offer lots of home energy solutions so you can start lowering your heating and cooling expenses. Even better, all of our work is backed by our 100% Service Guarantee for a full 365 days. That’s what we like to call “Expert Service, Guaranteed.” Call Knochelmann Service Experts in Cincinnati at 513-273-5771 now to schedule an HVAC repair service, routine maintenance or to request a free new system estimate.