About Hix Air Conditioning Service Inc. Hix Air Conditioning Service, Inc. was established in Muskogee in 1985. Our founder, David Hix, is currently the president of Hix Air Conditioning Service, Inc. David had worked in the heating and air conditioning business for over 10 years before starting his own business. Now the company has more than 15 very qualified and licensed employees. Through the years, we have prided ourselves on excellent customer satisfaction, and we are always looking for ways to improve. All of our employees have current background checks and complete certification through the state and NATE. We have a 24 hour answering system and take pride in maintaining cleanliness during installations and service work. But most of all, we are proud of our 100% Customer Satisfaction. That’s why we like to say, Hix Air Conditioning Service, Inc., we put the "S"atisfaction in service!! We have received the Readers Choice Award of Muskogee for Best Heating and Air Conditioning Company numerous times. We’re also a member of the Better Business Bureau and have been a Dave Lennox Premier Dealer for more than 20 years. Additionally, we like to stay involved in numerous community non-profit activities around Muskogee. We’re committed to helping you achieve whole-home comfort. Whether you need heating and cooling services such as repair and maintenance, or you need to replace your HVAC system, we’re ready to help. Call Hix Air Conditioning Service, Inc. in Muskogee at 918-682-8238 to learn more, or schedule an appointment online to start working with us.