Peitz Service Experts Heating & Air Conditioning in Pierre Introducing Peitz Service Experts Heating & Air Conditioning in Pierre. We’ve been servicing you and our Pierre community since 1974, and we’ve developed an entire roster of NATE-certified service technicians who know how to service, repair and install nearly every brand of furnaces, air conditioners, air handlers, inside air quality and related equipment. In fact, we have 8 technicians and 12 service trucks in the Pierre area alone. You know what that means? It means that you have our experts just minutes away, whether you’re in need of a furnace repair in the middle of a blizzard or an AC repair on a sweltering summer day. Just think of Peitz Service Experts as your full-service HVAC company. We repair all makes and models of furnace and AC systems, and we sell them, too. That’s right, we do it all – residential service and maintenance, commercial HVAC services, indoor air quality. We also offer many home energy solutions so you can start saving big on 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 our motto: “Expert Service, Guaranteed.” Call Peitz Service Experts in Pierre at 605-223-0307 now to schedule an HVAC repair service, routine maintenance or to request a free new system estimate.