HEATING, COOLING & PLUMBING
IN WASHINGTON, MO
AND THE ST. LOUIS AREAS

THE BEST HEATING, COOLING & Plumbing COMPANY IN
ST. LOUIS and WASHINGTON

Our core values are centered around what’s most important: trustworthy character and quality work that you can count on. From your first phone call, you’ll experience luxury customer service that caters to your unique needs. We offer financing on approved credit and free estimates for all Level 9 Heating, Cooling, and Plumbing customers.

For premium heating and cooling services in St. Louis Area, with our main office in Washington, MO, look no further than Level 9 Heating, Cooling, and Plumbing. We provide top-of-the-line HVAC service because your comfort matters. Founded in 1975, we provide expertise in repairing and installing all HVAC brands.

When you call our expert team, you won’t be stuck waiting. Count on exceptional service, quick responses, and honest communication every time.

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OUR PROMISE IS
OUR BOND.

We promise we will deliver the best experience you’ve ever had with a HVAC service company.
When we make a promise, we keep it. No exceptions.

We promise we will service any home or office HVAC system, no matter how old, cranky or worn-out it may be. We promise to only do repairs that make financial sense. We promise to only make repairs you approve.

We promise the best value replacement when it doesn't make sense to repair. We are proud to partner with Lennox. No one makes better HVAC systems than Lennox. They keep their promises too.

We promise you will always speak to a real person when you call. We answer our phones, even after hours, 7 days a week, 365 days a year. When you have an emergency, we promise to get you the help you need as fast as possible. We promise the quality of our work will please you. If not, we promise we will make it right.

We promise we will treat your home, your health, your pets, your loved ones and your property as if they were our own. We require the best from ourselves. That's why we deliver the best to our customers. (Check our reviews!).

We promise we will tune-up your system twice a year. No matter who made it. No matter who you bought it from. No matter who installed it. Learn about our Comfort Club.

WE REPAIR

WE REPLACE

WE RESPOND

WE RESPECT

WE REFRESH

A HEATING, COOLING
& PLUMBING COMPANY
THAT CARES

With decades of experience providing first-class HVAC service, our team of certified technicians is dedicated to keeping your home comfy. Whether you’re dealing with a finicky thermostat or new construction, we’ve got you covered. We know that the details matter when it comes to your home, so no job is too big or too small for Level 9 Heating, Cooling, and Plumbing.

ABOUT LEVEL 9

Our team offers a complete range of indoor air comfort solutions. From heating and cooling to IAQ and more, trust Level 9 Heating, Cooling, and Plumbing for top-tier results.

Heating
Light commercial HVAC
Geothermal
IAQ testing
Air purification
Air balancing
New construction

Cooling
Ductless mini-splits
Boilers
Indoor air quality
Humidity control
UV lights
Home energy audits
Walk In Freezers

Welcome to our premier plumbing services! At Level 9 Heating, Cooling, and Plumbing, we take pride in being your trusted partner for all things plumbing. Whether it's a leaky faucet, a clogged drain, or a complex piping issue, our team of skilled and certified plumbers is dedicated to providing efficient and reliable solutions. With years of experience under our belts, we understand the importance of a properly functioning plumbing system for the comfort and safety of your home or business. Our commitment to excellence drives us to deliver top-notch services that not only fix the problem at hand but also prevent future issues. From residential homes to commercial establishments, we've got your plumbing needs covered. Discover peace of mind with our prompt, professional, and pocket-friendly plumbing services.

PREMIUM HVAC
SERVICES IN
WASHINGTON

At Level 9 Heating, Cooling, and Plumbing, your comfort is our main priority. From minor repairs to complete home installations, we offer specialized knowledge to help you choose the right option for your home. Our qualified technicians cater to your individual needs and treat every home with the respect it deserves. From ductless mini-splits and high-tech thermostats to energy-efficient heat pumps, we offer a wide range of products and services to meet your HVAC needs.

Need our HVAC expertise? Count on us for a full lineup of
premium heating and air solutions.

Repair
Maintenance
Filters
Replacements
New construction
Thermostats
New installation
Remodels
Comfort Club

REQUEST SERVICE

Interested in the VIP treatment? Our Comfort Club members get priority access to expert heating and cooling services year-round. Receive free maintenance visits twice a year, discounts on services and repairs, and free filters.

LEVEL 9 COMFORT CLUB

GET THE BEST
HEATING &
COOLING SERVICE
TODAY

As a Level 9 Heating, Cooling, and Plumbing customer, you’ll receive top-of-the-line customer care every time. Just read our customer reviews—our consistent five-star feedback is a testament to the trustworthy, reliable technicians and exceptional service that you can depend on.