United Mechanical Services and Donohue Commercial Service cover Oklahoma’s two largest metro areas. We are proud to be part of the LINC network, and we offer a wide range of HVAC mechanical services, including support, preventative maintenance and repair.

Services we offer

  • LINC Service Agreements
  • 24 Hour Emergency Service
  • Centrifugal Chillers
  • Absorption Chillers
  • Reciprocating Chillers
  • Packaged A/C Units
  • Medium & Low Temp Refrigeration
  • Air Handling Units
  • CFC Reclamation/Banking
  • DDC and Pneumatic Controls
  • System/Building Analysis
  • Energy Management
  • Vibration Analysis
  • Eddy Current Testing
  • Oil Analysis
  • Infrared Analysis

Get started at one of our locations: