We have virus-killing air quality tools
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Authorized Lennox Systems Dealer
60 Month - 0% Interest Financing

Indoor Air Quality Services

Our team at Level 9 Heating & Cooling offers professional air quality services to help you keep your home healthy. They have been trained and tested in the field of indoor air quality including theory, application, product knowledge, and identifying the best solutions to address your air quality issues and lifestyle. It means experience you can trust, and the expert attention you deserve.

Enjoy Healthy Air Quality and Home Comfort

Upgrade your home by improving the air quality and comfort. Level 9 can help… with humidifiers that allow you to control and maintain the perfect air moisture, ventilators that bring fresh air into your home, electronic and traditional air purifiers that clean the air before it circulates, and ultraviolet lamps that kills and keeps coils cleaner. We also feature a number of other products for comfortable and healthier indoor living.

Air Filtration

While the modern building process has improved upon insulation and thermal performance in the home, increasing energy savings also means that your home traps air indoors that isn’t always ideal for breathing. We offer a full line or air cleaners, purifiers, and filters to improve your indoor air quality. Having healthy air is a key part of having a healthy home in St. louis.

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Air Filtration Installation


Installing a dehumidifier in your home can help you keep the air in your home healthy and safe to breath. In an overly humid environment mold, mildew, and other allergens can become a problem. Our team can help you keep your home healthy year round by installing a whole home dehumidifier system.

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Dehumidifier Installation


Having an overly dry house can be bad for the health of you and your family. With low moisture content in the air allergens such as dust, dirt, and other small particulates can become airborne causing the air in your home to become unhealthy. Installing a humidifier can help keep the air in your home clean.

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Humidifier Installation

Our Customers Trust Us

I recently had an issue with the AC in my home. Jim's Heating & Cooling came out right away to help fix this issue. From the office admin to the service tech everyone was extremely friendly and helpful. Highly recommend!
April L - Wildwood, MO 63005
The two young men did a fine job. Taking time to make sure everything was right. Also made sure the job was to my satisfaction.
Jane S - Washington, MO 63090
Highly recommend their services. They don't oversell. They work fast, are honest, competent and hard working people. Couldn’t have asked for more. From beginning to end, I was impressed with the professionalism and expertise from Level 9.My geothermal unit was constantly running and was not ...
Gio S - Washington, MO 63090
Very good tune up. Answered all our questions and helped resolve some worries we had.
Bruce B - Byrnes Mill, MO 63025
Level Nine is a wonderful company! Thank you for your quick response yesterday on Wednesday, July 15th. Problem was solved. Need a printed copy of the bill, could not get it on my email. Thank you. Sally Washburn
Ken W - Washington, MO 63090
The technician we had today did a great job, but most importantly he really knew his air conditioning and spotted the issue right away. He was courteous and efficient. Great job!
Jim S - Washington, MO 63090
We offer 24/7 HVAC Service for emergencies in Franklin, St. Charles, St. Louis, and Warren Counties. If you have an emergency contact our experts and we will help.
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All of our HVAC Technicians and Office staff are very friendly. Hop over to our staff page to see some of our team members and to check out your assigned technician.
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Service Area Map

Our Service Area

Our team at Level 9 Heating & Cooling is proud to offer our professional HVAC and commercial HVAC services to home and business owners. We promise to provide a cost-effective solution for repairing or replacing their HVAC units, we cover a wide variety of counties in St. Louis including Franklin, St. Charles, St. Louis, and Warren Counties. Click the button below to check out our service area map and the cities we service.

View Our Full Service Area