At Master Service, we offer the highest quality Heating, Air Conditioning and Commercial Refrigeration Services to Tulsa, Oklahoma and the surrounding areas. Our goal is to meet the comfort needs of each individual by using Straightforward pricing on HVAC repairs and competitive and honest pricing for new installations for both Residential and Commercial HVAC units. Through our preventative maintenance program, we continue connecting with our customers by scheduling biannual visits to maintain their HVAC equipment. Our preferred maintenance program offers priority service, discounts on repairs, and many more advantages.