WE'RE OPEN: As an Essential Business we will remain open & fully staffed for heating, air conditioning, plumbing & electrical services 24/7. We've taken precautions to exceed safety requirements from CDC to protect our customers & staff. Learn More.

St. Charles Heating and Cooling

Since 1971, the heating and cooling experts at Four Seasons Heating and Air Conditioning have helped St. Charles homeowners keep their indoor environments safe and comfortable. From routine HVAC repair to heating and air conditioning emergency services, our talented and trained technicians can handle your every need. 

For quality service, trust Chicagoland’s most trusted HVAC service contractor

With nearly 50 years of industry experience, we’ve built of reputation for expert heating and cooling services, superior products from industry-leading brands, and unparalleled commitment to customer satisfaction. You can choose Four Seasons Heating and Air Conditioning in confidence knowing that we have an A+ accreditation with the BBB and have received industry awards like the Angie’s List “Super Service Award.”

Choose Experienced St. Charles Heating Repair Professionals 

No matter what type of heating services you need, our experienced professionals have the tools, training, and techniques required for expert heating repair. Whether you need a new furnace blower motor or furnace ignitor, we have everything you need to keep your St. Charles home warm and cozy. When you trust your furnace replacement and other heating services to us, you’re choosing professionals that are:

  • Screened, Drug-Tested, and Licensed Technicians
  • Available 24/7 for Emergency Service
  • Engaged in Continuous Training 
  • Courteous, Professional, and Respectful of Your Home and Time

Comprehensive St. Charles AC Repair Solutions

With the fluctuating weather of St. Charles, you want to make sure your home AC unit is always ready to handle a change in temperature. Four Seasons Heating and Air Conditioning offers full-service central air maintenance solutions to keep your air conditioning systems running efficiently. As Chicagoland’s most trusted HVAC service contractor, we feature a number of service benefits and amenities that include:

  • Upfront, Honest Pricing with No Hidden Fees
  • Competitive Rates and Flexible Financing Options
  • No Extra Fees for After-Hour Calls
  • Top-of-the-Line Products with Industry-Leading Warranties

Request an Accurate Estimate From Our Emergency Heating and Air Conditioner Company

Many homeowners turn to the internet to search for “St. Charles HVAC contractors near me,” but you don’t have to waste your time sifting through endless results in the middle of an emergency. Whether you need 24/7 emergency services or you need to schedule a routine repair, Four Seasons Heating and Air Conditioning is the company you can count on for first-rate service. Give us a call or complete our convenient online quote form to request additional information and a free, no-obligation project estimate. 

We're Ready to Help...Now!

Day or night, 24/7, count on trusted service from Four Seasons Heating and Air Conditioning.

With a fleet of over 500 vehicles and a staff of 750+ employees, Four Seasons Heating and Air Conditioning stands as the Midwest’s largest heating, cooling, and plumbing contractor. Transparent pricing, knowledgeable technicians, and award-winning customer service are just a few of the many reasons why our customers love us.

$50 off Your Furnace Tuneup!

Includes our industry-leading 1 Year No-Breakdown Guarantee! A dirty furnace has to work harder and will cost more to operate—increasing your utility bills.

Save $35 On Any Repair Service

Repair Service in Hours, Not Days. Save $35 on any heating, cooling, plumbing, or electrical repair.

$100 Off Certified Air Duct Cleaning

Duct cleaning is an important part of maintaining any home or business. Keep your air cleaner with $100 off duct cleaning!

24/7 Service
BBB - Most HVAC 5 star reviews
NATE Certified Technicians
Lennox Circle of Excellence

For All The Right Reasons

Experienced professionals for all of your HVAC & Plumbing Needs



Customers Annually



Fully Stocked Vehicles



Five Star Reviews



Industry Awards