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618-607-4917

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    • Heater & Furnace Tune-Ups
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Blogs

  • Furnaces VS Heat Pumps VS Mini-Splits in Granite City, IL
  • Signs That It’s Time for A New Furnace Alton, IL
  • Should You Get A Heat Pump or Furnace for Your Edwardsville, IL Home?
  • Why You Need an Annual Furnace Tune-Up in Your Troy, IL Home
  • How Big of An AC Unit Does Your Maryville, IL Home Need?

Our Service Areas

Madison County

  • HVAC Services in Collinsville IL
  • HVAC Services in Maryville IL
  • HVAC Services in Caseyville IL
  • HVAC Services in Glen Carbon IL
  • HVAC Services in Edwardsville IL
  • HVAC Services in Troy IL
  • HVAC Services in Highland IL
  • HVAC Services in Granite City IL
  • HVAC Services in Wood River IL
  • HVAC Services in Alton IL
  • HVAC Services in Godfrey IL
  • HVAC Services in Bethalto IL
  • HVAC Services in Roxana IL

St. Clair County

  • HVAC Services in Belleville IL
  • HVAC Services in Fairview Heights IL
  • HVAC Services in Millstadt IL
  • HVAC Services in Smithton IL
  • HVAC Services in Lebanon IL
  • HVAC Services in Mascoutah IL
  • HVAC Services in Swansea IL
  • HVAC Services in Scott AFB IL

Clinton County

  • HVAC Services in Breese IL
  • HVAC Services in Germantown IL
  • HVAC Services in New Baden IL
  • HVAC Services in Trenton IL
  • HVAC Services in Carlyle IL

Proudly Serving the Metro East area

Albers • Alhambra • Alton • Aviston • Beckemeyer • Belleville • Bethalto • Breese • Cahokia • Carlyle • Caseyville • Clinton County, IL • Collinsville • Columbia • Cottage Hills • Damiansville • Dorsey • Dupo • East Alton • East Carondelet • East Saint Louis • Edwardsville • Fairview Heights • Freeburg • Germantown • Glen Carbon • Godfrey • Granite City • Hamel • Hartford • Highland • Jamestown • Lebanon • Lenzburg • Madison • Madison County, IL • Marine • Marissa • Maryville • Mascoutah • Millstadt • Moro • New Athens • New Baden • New Douglas • New Memphis • O’Fallon • Pontoon Beach • Roxana • Saint Jacob • Saint Rose • Scott Air Force Base • Shiloh • Smithton • South Roxana • St. Clair County, IL • St. Jacob • Summerfield • Swansea • Trenton • Troy • Wood River • Worden
heritage heating & cooling o'fallon il

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O'Fallon Location

  • 618-607-4917
  • 97 Betty Lane O'Fallon, IL 62269

Edwardsville Location

  • 618-307-5080
  • 100 E. Park St. Edwardsville, IL 62025

Business Hours

  • Mon: 6:00am - 10:00pm
  • Tue: 6:00am - 10:00pm
  • Wed: 6:00am - 10:00pm
  • Thu: 6:00am - 10:00pm
  • Fri: 6:00am - 10:00pm
  • Sat: 6:00am - 10:00pm
  • Sun: 6:00am - 10:00pm
  • Air Conditioning
  • Heating
  • Indoor Air Quality
  • About
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  • Contact Us
  • Air Conditioning
  • Heating
  • Indoor Air Quality
  • About
  • Resources
  • Contact Us
  • Home
  • Air Conditioning
    • AC Repairs
    • Air Conditioning Tune-Ups
    • Air Conditioning Efficiency
    • Ductless Mini-Split Units
    • New AC Installations
  • Heating
    • Heater & Furnace Repair
    • Heater & Furnace Tune-Ups
    • Heater & Furnace Installations
    • Digital Thermostats
  • Indoor Air Quality
    • Humidifiers and Dehumidifiers
    • Air Duct Repair
  • About
    • Service Areas
    • Client Reviews
    • Annual Maintenance Program
    • Financing Options
    • Careers
  • Resources
    • Recent News
    • Brochures
    • User Manuals
    • Videos
  • Contact Us