St. Louis HVAC

Your HVAC system is a cornerstone of comfort in your St. Louis home, ensuring your living space is comfortable all year round. So, when your HVAC system breaks down, you need a professional HVAC company to help restore your home's comfort. You need the team at Air Comfort Service, Inc.

Since 1969, Air Comfort Service, Inc. has provided quality HVAC services to St. Louis area residents. We employ incredibly skilled technicians who participate regularly in rigorous training. From installation and replacement to maintenance and repairs, we do it all. Contact us for a consultation with one of our heating and cooling specialists in St. Louis, MO.

Services We Offer


The summer heat in St. Louis, MO, can be unbearable. A functional A/C system is essential, so getting professional air conditioning services should be at the top of every homeowner's list.

The A/C contractors at Air Comfort Service, Inc. can help keep your cooling system in top shape. We are available 24/7 and can help in case of an emergency. Whether you need a repair or installation, our specialists have the tools and knowledge to provide a speedy solution for your HVAC in St. Louis.


With the frigid winters in St. Louis, MO, a working heating system is essential, as is a company you can rely on for heating and cooling in St. Louis.

Let the heating pros at Air Comfort Service, Inc. help you stay comfortable during the winter. We are available 24/7 and can step in in case of an emergency. With decades of experience, we know how to diagnose and solve any heating issue.

Commercial HVAC Services

As a business owner in St. Louis, MO, the last thing you need is a heating or A/C problem driving away clients or affecting productivity. That's where we come in. Our commercial HVAC technicians can repair your HVAC in St. Louis and get you back on your feet. We fix everything from chillers to rooftop units and are available 24/7 in an emergency.


If your house has cooling or heating issues, you need an HVAC expert with the skills necessary to handle the job. Our HVAC technicians know residential HVAC systems inside and out and have the right tools and training to do the job efficiently and safely.


Homeowners in St. Louis, MO, are constantly looking for ways to reduce energy bills. The best way to do this is to ensure your house is insulated correctly, particularly your attic. If you want to learn more about insulation or get a free quote, contact Air Comfort Service, Inc. today! We can help make your home more energy efficient.

Indoor Air Quality

Indoor air quality (IAQ) has become essential to St. Louis homeowners who want protection from airborne substances. Our IAQ pros have the skills, knowledge, and equipment to improve the air quality in your home or business. Contact us today to learn more about our IAQ services.

Water Heaters

A functional water heater is essential for residents of St. Louis, MO. Our experts are here to fix any water heater issues, whether it's installation or repair.

Why Work With Us

24/7 Assistance

We understand that HVAC issues can arise at any time, so we are available 24/7 for all our client's needs.

Expert Technicians

Air Comfort Service, Inc. hires the most friendly and professional technicians who participate in rigorous training regularly.

Superior Quality

We use top-notch equipment and only install quality products with meticulous attention to detail and a commitment to excellence. You can expect upfront, no-surprise pricing and our work is not complete until you are satisfied.

Contact Us Today!

When your HVAC system stops working or is due for maintenance, Air Comfort Service, Inc. is here to help with all things heating and cooling in St. Louis.  Our HVAC team has the experience and skill to quickly and efficiently tackle any job that may arise.

Contact us today to learn more about our HVAC solutions in St. Louis, MO.