St. Peters HVAC

Your HVAC system is the backbone of your home, ensuring you're comfortable all year long. If your HVAC system is not working correctly, your comfort will be affected, and your utility bills will skyrocket. The key to keeping your HVAC system in good condition is to get reliable HVAC service in St. Peters.

Air Comfort Service, Inc., has been serving St. Peters residents for over five decades. Our HVAC experts are thoroughly trained and vetted, and we are committed to the highest standards of professionalism and excellence as a company. We offer a comprehensive range of HVAC services tailored to meet your needs. From air conditioning installation and repair to heating system maintenance and everything in between, we're your go-to service provider.

Contact us today to schedule any service for your HVAC system in St. Peters.

Services We Offer


Every St. Peters resident knows how hot and humid summers can be and how bad it can be when your A/C fails during the hottest months of the year. Hiring a trustworthy HVAC company for AC service or repair in St. Peters can save you the hassle this summer. Some of the services we offer include:

  • A/C maintenance, service, repair, and installation
  • Heat pump service, repair, and installation

Our expert technicians are licensed to ensure your A/C is running correctly. They're available 24/7 in case of an emergency and can help find a speedy solution to your problem.


Winters in St. Peters can be extremely cold, making a functional heater essential. It is also important to have a reliable HVAC company you can turn to for heating repair in St. Peters. Air Comfort Service, Inc. offers a wide range of heating services, such as:

  • Heater repair, maintenance, service, and installation
  • Furnace repair, maintenance, service, and installation
  • Boiler repair, maintenance, service, and installation

Let our heating experts help you get through the cold in one piece.

Commercial HVAC Services

Our HVAC services aren't just limited to residential properties. We also offer comprehensive commercial HVAC solutions to keep your business comfortable and your employees productive. We service, repair, and install a wide range of units, from chillers to rooftop units, create custom maintenance plans, and we are available 24/7 in case of an emergency.


We're here to provide the HVAC services homeowners in St. Peters need to keep your living space comfortable. Our HVAC technicians know HVAC systems inside and out, and they have the tools and training necessary to service or fix your system efficiently and safely. Sit back and relax because your system is in good hands.


9 out of 10 homes are under insulated.  Proper attic insulation not only makes your home more comfortable, but it also can reduce your utility bills.  We'll help you identify the current R-value of your attic insulation and provide expert insulation solutions to keep your home comfortable year-round.

Indoor Air Quality

In addition to HVAC services, we offer various indoor air quality solutions to boost air quality in your St. Peters home. From air purifiers, humidifiers, dehumidifiers, and Aeroseal duct sealing, we'll help you create a healthier indoor environment for you and your family.

Water Heaters

A functional water heater is a necessity in every home.  The experts at Air Comfort Service, Inc. are always available to help homeowners in St. Peters deal with any water heater issues. From installation to repair, we'll ensure your water heater runs efficiently.

Why Work With Us

24/7 availability

Our technicians are available 24/7 in case of an emergency.

Skilled technicians

Our technicians are highly trained and professional.

Quality and experience

We pride ourselves on serving St. Peters and surrounding areas for over 50 years with the highest quality products and craftsmanship.

Contact Us Today!

At Air Comfort Service, Inc., we strive to care for our customers' heating and cooling systems as we would our own. Our technicians are reliable, professional, and strive to provide 5-star service.

Contact us today to schedule your HVAC service, repair or installation in St. Peters.