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Service Area

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

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

  • Alexander
  • Alsey
  • Arcadia
  • Arenzville
  • Ashland
  • Athensville
  • Auburn
  • Barrow
  • Beardstown
  • Bluffs
  • Bluffs Springs
  • Bradforton
  • Carrolton
  • Chambersburg
  • Chandlerville
  • Concord
  • Curran
  • Exeter
  • Farmingdale
  • Franklin
  • Greenfield
  • Griggsville
  • Hillview
  • Jacksonville
  • Literberry
  • Loami
  • Lowder
  • Lynnville
  • Manchester
  • Meredosia
  • Merritt
  • Milton
  • Modesto
  • Mt.Sterlng
  • Murrayville
  • Naples
  • New Berlin
  • Nortonville
  • Palmyra
  • Petersburg
  • Philadelphia
  • Pleasant Plains
  • Riggston
  • Roodhouse
  • Rushville
  • Scottville
  • Sinclair
  • Versailles
  • Virginia
  • Waverly
  • White Hall
  • Winchester
  • Woodson
  • Alexander
  • Alsey
  • Arcadia
  • Arenzville
  • Ashland
  • Athensville
  • Auburn
  • Barrow
  • Beardstown
  • Bluffs
  • Bluffs Springs
  • Bradforton
  • Carrolton
  • Chambersburg
  • Chandlerville
  • Concord
  • Curran
  • Exeter
  • Farmingdale
  • Franklin
  • Greenfield
  • Griggsville
  • Hillview
  • Jacksonville
  • Literberry
  • Loami
  • Lowder
  • Lynnville
  • Manchester
  • Meredosia
  • Merritt
  • Milton
  • Modesto
  • Mt.Sterlng
  • Murrayville
  • Naples
  • New Berlin
  • Nortonville
  • Palmyra
  • Petersburg
  • Philadelphia
  • Pleasant Plains
  • Riggston
  • Roodhouse
  • Rushville
  • Scottville
  • Sinclair
  • Versailles
  • Virginia
  • Waverly
  • White Hall
  • Winchester
  • Woodson