Kentucky HVAC Master Contractor #M04137

Air X Change Technologies is an industry leader. Proudly serving Kentuckiana since 2003.

Located in Middletown, Kentucky, we specialize in building automation and energy management systems. Air X Change designs, builds and maintains systems for data centers, shopping malls, office buildings and government buildings. Keith Fisher, President and owner, brings his 49+ years of experience to the table. Under his leadership, we offer excellent service and timely responses.
contact us502-568-1135

we provide a range of commercial hvac services

Our services

  • Commercial HVAC install, service & repair
  • Building Automation
  • Cooling Towers
  • Chillers and Boilers
  • Sheet Metal and Ductwork
  • Piping & Plumbing
  • Kitchen Hoods and Makeup Air
  • Data Center Systems
  • Exhaust Systems
  • Preventative Maintenance

project gallery

  • Installation of 100-Ton with crane work
    Installation of 100-Ton
    Completion of 100-Tonn
  • Cooling Tower Repairs - Before
    Cooling Tower Repairs - After
    Cooling Tower Repairs - After
  • Exhaust
    Exhaust
    Exhaust
  • Chiller
    Chiller
    Filter Rack
  • VAV Box & Ductwork
    VAV Box & Ductwork
    Hospital Exhaust Ductwork
  • Gas Piping
    Exhaust
    Welding/Split Systems
  • Boiler
    Pump Before
    Pump After
  • Service and Repair
    Service and Repair
    Service and Repair





13125 Middletown Industrial Blvd Middletown, Kentucky 40223
We're not comfortable until you are!
Air X Change Technologies is insured, licensed and bonded
© Copyright 2026 Air X Change Technologies, LLC. All rights reserved. All registered trademarks herein are the property of their respective owners.