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Locally owned and independently operated.

  • Serving Washington, St. Louis & Surrounding Areas

Air Conditioning

Level 9 Heating & Cooling delivers honest, responsive HVAC service built on decades of experience—delivering real solutions you can trust, right when you need them.

Air Conditioning
Air Conditioning

Premier AC Company in St. Louis and Washington, Mo

At Level 9 Heating & Cooling, we want to be the AC company you trust for exceptional service in St. Louis and Washington, MO. If you’re searching for a professional AC contractor, look no further. Thanks to our dedicated team of technicians, we take pride in offering the best air conditioning services in St. Louis and Washington County. Our commitment to the residents of this area is to exceed customer expectations with every job we do. We’ve been in operation since 1975. That makes us a trustworthy choice to handle even the most complex AC repairs, installations, and tune-ups.

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Get Your Home Back on Track Without the Runaround

Something’s off, but you don’t need all the answers before reaching out. Whether it’s strange noises, uneven temps, or rising bills, just explain what you’re noticing and book in minutes.

Pick a time that fits your schedule and we’ll take it from there. No commitment beyond getting a pro out to take a look.

Our team of professionals can service any make or model, and we take care of our employees by giving back to them. Our primary objective is to provide top-notch AC services, and we strive for the highest standards of professionalism in all that we do.

We are a premium AC company, and there are many reasons why we continue to be trusted for service.

  • certified technicians
  • After-hours emergency service
  • Decades of service

Responsive AC Repair in Washington

You can contact Level 9 Heating & Cooling whenever your air conditioner in Washington is experiencing an issue. We offer emergency repairs day or night because we know an AC can break down when it’s least expected. When you need an AC contractor to return your home to a comfortable temperature, you can rely on us. After our team of experienced professionals arrives, they’ll inspect your equipment and diagnose the problem. They’ll explain it to you and help you make an informed decision. Our vehicles have all the tools and equipment for professional repairs. Therefore, we’ll get to work as soon as you approve our recommendations for service.

We perform many types of AC repairs on a daily basis. You can trust our expertise in resolving any cooling situation.

  • Electric control failure
  • Refrigerant leaks
  • SmartAC
  • Sensor problems
  • Thermostat issues
  • Drainage problems

We Also Provide The Following AC Services

#1 AC Contractor for Installations

An old cooling system simply won’t function as well as a new unit. If your AC is more than a decade old, it’s best to contact Level 9 Heating & Cooling for professional replacement in Washington. A new air conditioner will keep your home comfortable throughout the summer months and reduce your energy bills. We’ll help you choose the right size and model to ensure that it operates optimally. Once we’re done with the installation, our team will guide you on how to operate the system.

Thorough AC Maintenance in Washington

Just as you service your car, an air conditioning system requires regular tune-ups for optimal performance. You cannot overrate the importance of our routine maintenance to preserve your home’s comfort. Our experienced and licensed AC professionals can increase both your unit’s efficiency and lifespan through our services. The benefits of allowing our AC company to maintain your system include enhanced indoor air quality and a reduction in repair costs.

Level 9 Heating & Cooling proudly provides the most dependable AC services in Washington. Please contact us today for any help with your cooling equipment.

Not looking for AC services? We also provide a full spectrum of trusted furnace services.

Frequently Asked Questions (FAQs)


Why isn’t my AC keeping up with the heat?

If your system is running but your home still feels warm or humid, something’s off. It could be anything from restricted airflow and low refrigerant to an aging system that just can’t keep up anymore. Our team will pinpoint the issue quickly and give you a clear, honest solution to get your comfort back on track.

Should I repair or replace my AC system?

It depends on the age of your system, the cost of the repair, and how often you’ve needed service. If your unit is nearing the end of its lifespan or repairs are stacking up, replacement may save you more in the long run. We’ll walk you through both options so you can make the right call for your home and budget.

How much will my AC service cost?

Every home and system is different, so pricing can vary. What you can expect from us is upfront, transparent pricing before any work begins. No surprises, no pressure—just clear options so you can move forward with confidence.

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$99
Seasonal tune up for New Customers only
$99 seasonal tune up for New Customers only!

Call Today!
(636) 239-3581

$25 Off
Any service for new customers only, one time use
$25 off any service for new customers only, one time use

Call Today!
(636) 239-3581

Free
First Month of C.A.R.E. Maintenance Plan for New Members
FREE First Month of the Annual C.A.R.E. Maintenance Plan for New Members

Call Today!
(636) 239-3581

Book Online

"*" indicates required fields

This field is for validation purposes and should be left unchanged.