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Why Us

Hollifield Service Company is a premier heating and air conditioning company in Muskogee OK

Hollifield Service Company is a family owned and operated business that is built upon strong principles of integrity, excellence, trust, and loyalty. Here at Hollifield Service Company, the needs of our customers always come first. We strive to serve our customers in a friendly, timely, and quality assured manner. Unlike many HVAC companies, on every system installation a computer calculated heat load is performed to determine the exact heating/cooling need of the home to ensure properly sized systems and duct work. We offer a wide variety of expertise, and are continually advancing our knowledge and experience in an ever advancing technological world. With an A+ membership of the BBB, over 14 years of experience in eastern Oklahoma, dealership of the highest quality, and the most energy efficient equipment, you can be sure you are getting the best. Our technicians will make sure you’re affordably warm in the winter and comfortably cool in the summer.


We take pride in our efforts to provide heating and cooling services with highly efficient and green ground source geothermal heat pumps.  Our technicians are highly trained in geothermal installation and service technology, and take great pride in these systems.  We are IGSHPA (international ground source heat pump association) certified geothermal installers, and we offer all geothermal services (including vertical drilling, ground- loop installation and HWG hook-up).  We take pride in offering services for the only systems that actually pay for themselves and are friendly to the environment at the same time!

The Owner

Tim Hollifield has lived in Oklahoma since he was born. He has a passion for learning and applying HVACR knowledge and treating customers with equality and fairness. When he was beginning in the trade he won 3rd place his first year and 1st place his second year in the Skills USA national competition for HVAC. With the highest score ever, this was a great accomplishment. He has demonstrated excellence in the field and has a drive to build a company based on principles of honesty and whole-hearted integrity. He is proud to be a part of the movement toward efficient, sustainable, and green energy in geothermal heat pump technology, as well as the ever-advancing HVACR industry.

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