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Heating & Air Conditioning

Air First Mechanical is proud to be a privately owned and operated HVAC mechanical company. Our team is here to assist you with all of your heating and air conditioning needs. We offer both residential and commercial HVAC in the following counties:

  • McHenry County
  • Kane County
  • DuPage County
  • Cook County
  • Lake County
  • Boone County
  • Winnebago County



Our team offers heating system installation, maintenance, and repair. Whether you need a new heater or furnace, or your existing system is having problems, call AFM! We are your local heating installation and repair company!

Air Conditioning

In addition to our comprehensive heating services, AFM is pleased to offer everything you need to stay cool this summer. Our technicians are trained to install, service, and repair air conditioners from nearly any manufacturer. If you need a new air conditioner installed or you want to get more performance and efficiency out of you current A/C, call today! Our air conditioning specialists are ready to assist you!

Contact Us Today for a Free Quote!

St. Charles is one of our frequent service areas

Heating Repair & AC Service in St. Charles IL

& Surrounding Areas

Contact Us Today for a Free Quote!

We’re here to help you with all your residential and commercial heating and air needs in the following counties: McHenry, Kane, DuPage, Cook, Lake, Boone and Winnebago. Whether you need a new furnace, air conditioner, humidifier, standard maintenance, improved air quality, service or repair, we are here to help.

St. Charles’s Heating Repair & AC Repair Experts!

Air First Mechanical is a name you can trust. All of our staff is fully trained and certified to provide the highest quality heating and air services available in Illinois. We guarantee fast response times, competitive pricing and honest assessments. Your satisfaction is our #1 goal!

Air Conditioning Repair & AC Service for St. Charles

Turn to Illinois’ experts for air conditioning repair & service! Our team of certified HVAC technicians can diagnose any issues with your system and help you make the best decision for your home. Don’t settle for second best – call AFM today!

Heating Repair for St. Charles

When it comes to heating repairs, consult a professional team. By offering quality parts installed by highly trained technicians who have your safety first in mind, you can have peace of mind knowing that your home is both warm and safe. We serve St. Charles, Crystal Lake, Algonquin and surrounding communities.

Brands You Can Trust
AFM is proud to offer the finest brands in HVAC, offering both affordability and reliability to businesses and homeowners. Our technicians are also trained to work on all brands of HVAC equipment, so we can service and repair any system you currently have!

AFM offers AC Service, Air Conditioning Repair & Heating Repair in St. Charles

Ac Repair St. Charles Il | Air Conditioning Repair St. Charles Il | Heating Repair St. Charles Il | Ac Service St. Charles Il

24/7 Emergency Hotline

Call (877) 805-6544 now!

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