Proudly Serving
Our Community Since 1947

Service Areas

Service Areas

Brennan Heating and Air Conditioning, Inc. is based in Jacksonville, IL, and serves residential and commercial customers throughout the area. Contact us today for your heating and cooling needs! 

service-areas (1) | Brennan Heating and Air Conditioning, Inc.

We are proud to offer service in and around the following communities:

  • Chandlerville, IL
  • Concord, IL
  • Curran, IL
  • Exeter, IL
  • Farmingdale, IL
  • Franklin, IL
  • Greenfield, IL
  • Griggsville, IL
  • Hillview, IL
  • Jacksonville, IL
  • Literberry, IL
  • Loami, IL
  • Lowder, IL
  • Lynnville, IL
  • Manchester, IL
  • Meredosia, IL
  • Merritt, IL
  • Milton, IL
  • Modesto, IL
  • Mt.Sterling, IL
  • Naples, IL
  • Nortonville, IL
  • Palmyra, IL
  • Petersburg, IL
  • Philadelphia, IL
  • Pleasant Plains, IL
  • Riggston, IL
  • Roodhouse, IL
  • Rushville, IL
  • Scottville, IL
  • Sinclair, IL
  • Versailles, IL
  • Waverly, IL
  • White Hall, IL
  • Woodson, IL