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

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 Repair

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 Replace

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 Respond

We promise you will always speak to a real person when you call.

We answer our phones 24 hours a day, 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 Respect

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 Refresh

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.

Lennox Product Line

Our team offers professional air conditioner and furnace replacement services. We trust in the Lennox product line and recommend it for any homeowner looking to upgrade.
Learn More

Authorized Lennox Systems Dealer
Lennox logo

Our team offers professional air conditioner and furnace replacement services. We trust in the Lennox product line and recommend it for any homeowner looking to upgrade.
Learn More

HVAC Service Technician

Our team offers professional air conditioner and furnace replacement services. We trust in the Lennox product line and recommend it for any homeowner looking to upgrade.
Learn More

Stay Comfy
Year Round

Professional Air Conditioning And Heating Services


Our team at Level 9 Heating & Cooling offers professional heating and air conditioning services to both home and business owners in the greater St. Louis metro area. Whether it's maintenance, repair, or installation, we're available to assist you right when you need it. Our team is committed to total customer satisfaction and will follow up after we finish to ensure a job well done.

Through the highest quality service and products, Level 9 Heating & keeps your home comfortable, no matter how extreme the St. Louis area weather. Our licensed technicians specialize in the installation, maintenance, and repair of heating and cooling systems, servicing all makes and models, offering free in-home estimates, and 24-hour emergency service.

We Support

United Way logo

Featured Review

Our Customers Trust Us

OUTSTANDING PROFESSIONALISM from all of the team at Jims Heating and Cooling. I could not be more satisfied with the entire process starting from the quote to installation.
Kevin B - Wildwood, MO 63005
Pleasure to work with. Happy to discuss findings, if any, and provide suggestions to make your system as efficient as possible.
Dwayne B - Washington, MO 63090
Level 9 literally saved us $757. We called another contractor to fix our AC that wasn’t cooling. They quoted us $1282. I felt that was just way too high. So, we called Level 9 as we had service from Bob’s in the past. They only charged us $525 for the exact same repair. The technician Derek was ...
Ben S - Washington, MO 63090
We love Rick Quillian! He's been servicing my home and apartments for years.
Griffero Rental - Washington, MO 63090
When level 9 bought out our regular HVAC contractor, we were very nervous. But they have been so professional. Worked to help us make repairs instead of replacements when applicable. They treat my entire family with respect. They visit with my son when they are here. So many helpful people at this ...
Sarah W - Washington, MO 63090
They were prompt, kind, courteous, very knowledgeable and professional. We are extremely happy with our new system. The whole team was a fantastic group of folks to work with start to finish and follow up. A+++
Gregory B - 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.
Learn More
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.
Learn More
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