Level 9 Heating and Cooling Logo

Since 1975

24 hour service

HVAC Installations • Contact Us Today

Level 9 Heating & Cooling Logo

Professional Commercial & Residential HVAC Services

Professional Air Conditioning and Heating Services

Air Conditioning Repair St. Louis Air Conditioning Repair St. Louis

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

Our Customers Love Us

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 ...
Ken W - Washington, MO 63090
As expected great job
Ron B - Wildwood, MO 63040
The only legitimate HVAC company based in Franklin County.
Clayton S - Washington, MO 63090

Our Customers Love Us

The technician who came out was prompt, contacted me when he was a short way out, and was completely up front with any and all problems/solutions and what those would cost before he even touched the AC unit. He did everything I asked for, didn't try to upsell me, and thanked me for my time when he ...
Robert S - Washington, MO 63090
Excellent, informative and professional. Will keep this company for regular maintenance to avoid future issues.
Marcie M - Washington, MO 63090

Our Customers Love Us

HVAC installers, they were polite and knew exactly what they doing, and how to approach the situation, outstanding performance and professional.
Wayne B - Washington, MO 63090
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Our Service Area

Service area map Service area map

Our team at Level 9 Heating & Cooling is proud to offer our professional HVAC and commercial HVAC services to several communities across the St. Louis area. We know that for many homeowners home comfort is important and ensuring your HVAC system is running properly is the first step. In order to combat this, and to provide more homeowners with 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

What Makes Us The Best A/C and Heating Company in St. Louis

Air Conditioning Repair St. Louis Air Conditioning Repair St. Louis

Today’s homeowners expect more than consistent heating and cooling from their home comfort systems. With rising energy costs and health concerns, consumers demand equipment that tops efficiency ratings, improves indoor air quality, and stands up under brutal workloads. At Level 9 Heating & Cooling, we match your exact needs to the ideal solutions, partnering the most innovative technology on the market with the highest quality workmanship.

For expert installation, service and repair in the St. Louis area call Level 9 Heating & Cooling at 636-251-6936. You’ll always speak to a live representative who will immediately put our extensive resources to work for you, guaranteeing a swift resolution to any difficulties, complete satisfaction and total comfort. When you call us, we’re available when and where you need us!