Keeping Your Home and Business Comfortable

A/C

A/C

Looking to have an AC system installed in Missouri? Let our experts take care of it and it'll be done and running in no time!

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Furnaces

Furnaces

Want to have a furnace installed before the weather turns nasty? We've a great range of furnaces that we'll be happy to install.

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Boilers

Boilers

Need a new boiler? They're tricky things, so let one of our experts advise you on the best boiler for your home and get it installed.

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Filtration

Filtration

Worried about the air filter on your HVAC system? Give us a call today and one of our team will be out to swap it for a new one!

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Air Purification

Air Purification

Want an air purifier in your home that removes dust, pollen, plus all those nasty microbes and allergens? Give us a call today.

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Carbon Monoxide

Carbon Monoxide

Carbon Monoxide in your home is dangerous, so let our experts check your systems over and install alarms to keep you safe.

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Ductless/Mini-Split

Ductless/Mini-Split

If you are looking for a quick and easy heating/cooling system for any space, come to us for ductless/mini-split systems today.

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High Efficiency Zone Control

High Efficiency Zone Control

Save money on your heating/cooling bills with a Smart Thermo today. Interested? Give us a call at (636) 529-8686 for more info.

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Packaged Rooftops

Packaged Rooftops

Looking for an HVAC unit that's all singing all dancing? An RTU is a compact unit comprising all the parts need to provide you with the ultimate HVAC. Contact us to find out more.

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Restaurant Refrigeration System

Restaurant Refrigeration System

Need a cost-effective and efficient refrigeration system for your restaurant? Over the years we've worked with many a restaurant, so give us a call and we'll be happy to help you out today!

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Commercial HVAC

Commercial HVAC

Would you like to install an HVAC in your commercial property? Achieving the right, healthy climate is important for both your team and the clients that visit you. Contact our team today, and we'll be happy to advise you on the best unit for you and your property.

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Commercial Ventilation

Commercial Ventilation

From exhaust fans and fume hoods to grease and steam removal, you can count on Air-Tec for your commercial ventilation needs.

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Commercial Fabrication and Design

Commercial Fabrication and Design

We can custom design and fabricate the HVAC components you need for the most optimal commercial system possible.

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AC

Looking to have an AC system installed in Missouri? Let our experts take care of it and it'll be done and running in no time!

Learn More

Furnaces

Want to have a furnace installed before the weather turns nasty? We have a great range of furnaces that we will be happy to install.

Learn More

Boilers

Need a new boiler? They're tricky things, so let one of our experts advise you on the best boiler for your home and get it installed.

Learn More

Filtration

Worried about the air filter on your HVAC system? Give us a call today and one of our team will be out to swap it for a new one!

Learn More

Air Purification

Want an air purifier in your home that removes dust, pollen, plus all those nasty microbes and allergens? Give us a call today.

Learn More

Carbon Monoxide

Carbon Monoxide in your home is dangerous, so let our experts check your systems over and install alarms to keep you safe.

Learn More

Ductless\ Mini split

If you are looking for a quick and easy heating/cooling system for any space, come to us for ductless/mini-split systems today.

Learn More

High Efficiency Zone Control

Save money on your heating/cooling bills with a Smart Thermo today. Interested? Give us a call at (636) 529-8686 for more info.

Learn More

Packaged Rooftops

Looking for an HVAC unit that's all singing all dancing? An RTU is a compact unit comprising all the parts need to provide you with the ultimate HVAC. Contact us to find out more.

Learn More

Restaurant Refrigeration System

Need a cost-effective and efficient refrigeration system for your restaurant? Over the years we've worked with many a restaurant, so give us a call and we'll be happy to help you out today!

Learn More

Commercial HVAC

Would you like to install an HVAC in your commercial property? Achieving the right, healthy climate is important for both your team and the clients that visit you. Contact our team today, and we'll be happy to advise you on the best unit for you and your property.

Learn More

Maintenance Plans

Learn More

Commercial Ventilation

From exhaust fans and fume hoods to grease and steam removal, you can count on Air-Tec for your commercial ventilation needs.

Learn More

Commercial Fabrication and Design

We can custom design and fabricate the HVAC components you need for the most optimal commercial system possible.

Learn More
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Over 40 Years Experience

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Professionals You Can Trust

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Quality Work

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Family Owned And Operated 

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Find out more about our services.
Call (636) 529-8686 today.
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Air-Tec Systems was founded by a heating and cooling engineer, which means we strive for nothing less than perfect! Our goal is to be your "HVAC" partner, which means taking the time to educate you on the issues with your HVAC system, provide you with effective recommendations, and come up with an affordable solution together. Here at Air-Tec Systems, we are dedicated to keeping you informed every step of the way, and our main aim is to make sure your system, new or old, lasts for as long as possible while working at peak performance!  We are HVAC contractors with an outstanding reputation, just take a peek at our reviews to see for yourself. We can't wait to serve you.
AC Installation & Maintenance
We here at Air-Tec have over 40 years of experience in the installation, maintenance, and repairs of HVAC/AC systems and work equally with boilers and other heating systems.

We're a family business at heart, with three generations all working at the company, and we like to think that translates into a family-orientated customer service. We care for you and your comfort at home, and our motivation comes from the satisfaction of our customers.

AC Installation & Maintenance

We here at Air-Tec have over 40 years of experience in the installation, maintenance, and repairs of HVAC/AC systems and work equally with boilers and other heating systems. We are experts at HVAC repair and HVAC installation. 


We're a family business at heart, with three generations all working at the company, and we like to think that translates into a family-orientated customer service. We care for you and your comfort at home, and our motivation comes from the satisfaction of our customers.

Certified Heating-Cooling Experts

Our engineers have years of experience in the industry. In fact, there's not much they haven't seen and fixed! We are experts at HVAC repair and HVAC installation. Call on the HVAC contractors who will get the job done right! Certified to install and carry out maintenance works on American Standard systems, we are also more than capable to work on other machines to.

Whatever the issue, be sure to give us a call at (636) 529-8686 and we'll send one of our experts out ASAP to lend you a hand. We are trusted HVAC contractors with an outstanding reputation.

Why Come to Us for Your Healthy Climate?

Trust

Trust

Nothing is more important to us than the satisfaction of our customers. With over 40 years' experience in the heating and cooling industry, with us you're in safe hands.

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Respect

Respect

We see our business as a part of the community, and so we carry out our work in the spirit of serving our neighbors and friends. When you have an issue, we respect your needs and resolve the problem ASAP.

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Honesty

Honesty

Money-orientated tradesmen will often take advantage of your lack of knowledge when it comes to the technicalities, but we promise we will only sell you what you absolutely need.

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Quality Work

Quality Work

Our experienced engineers take pride in the work they carry out, and we'll be more than happy to sit down with you to fully explain what is happening, and why things are being done in one way as opposed to another.

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Customers For Life

Customers For Life

We see our clients as longterm customers, so when you call us out we don't view you as a one off job that we complete and then forget. When you come to us, you can rest assured we'll be there whenever you need us.

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Financing & Maintenance Plans

We're proud to offer our clients fantastic financing options through Synchrony, and if you'd like to find out more then one of our team is available to discuss your options with you. 

We offer all clients our Annual Maintenance Plan for just $160 which includes:
  • Cleaning of your AC and coil in spring
  • A 20-point check of your furnace 
  • Cleaning of your burner
  • Check up of your heat exchange
  • Pressure switch check 
  • Combustion check 
  • Gas pressure check 
  • Igniter check 
  • Limit switches check
  • Resistance check
  • Carbon monoxide detector check
Click Here for a Quote
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Find out more about our services.
Call (636) 529-8686 today.
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