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Ozark Mechanical

"HVAC Service and Installation"

About Us

Welcome to Ozark Mechanical, a premier HVAC contractor proudly serving St. Louis and Lake Ozark, MO, since 2013. Specializing in residential, commercial, and medical HVAC systems, we offer comprehensive services including heating, refrigeration, and ventilation. We expertly handle all makes and models, ensuring top-notch service quality. Looking to partner with consumers across Eastern Central Missouri and Southern Illinois, we're eager to deliver a superior HVAC experience. Reach out to us for 24-hour HVAC service today; we're ready to meet your needs with professionalism and dedication!

Areas Served

Our Professional Associations

Sheet Metal Workers SMART Local Union No. 36
UA Local 562 Plumbers & Pipefitters

What We Offer

Our Specialties include:

We Service All Models and Brands

Our Services include:

Residential HVAC
Commercial HVAC
Medical HVAC
Heating
Refrigeration
Ventilation
Air Conditioning
Installations
Repairs
HVAC Service
HVAC Maintenance
Gas Piping
New Construction
Duct Work

Testimonials

On 7/16/2026 Ed Beck had this to say:
Ozark Mechanical once again performed well. Brian May made sure I understood everything checked, changed and tuned up. Thank You ⭐⭐⭐⭐⭐ Thank You Ozark Mechanical for a job well done. Service Tech and Local 562 member, Brendan, was pleasant, knowledgeable, and well prepared. I'm comfortable calling Ozark Mech. my go-to company for my home HVAC needs. Everything went well, Max gave it his all ***Well, Ozark Mechanical installed a new air conditioner and heater for my second floor. The crew was pleasant, worked steady, on time and professional. I'm pleasantly surprised how evenly cool the upstairs temperature remains steady. Ozark Mechanical is my preferred company for all HVAC needs. Thank you so much to the office crew and the techs who did the mechanical work. Thanks, Ozark! Ozark installed a new HVAC system for my second floor. Everything went great. I waited awhile to review, just to make sure everything was good. I will continue to hire Ozark for all of my HVAC needs. This job was complicated. Much of the work took place in the attic with not much flooring to stabilize footing. I waited almost thirty years to replace the system. Ozark didn't disappoint. Ozark is a top-notch company.

On 7/14/2026 Vicky Little had this to say:
Very prompt and courteous. Handled it all on his own!

On 7/9/2026 Andrew Schalk had this to say:
Ryan was very professional and fixed my a c unit fast and efficiently.

On 7/8/2026 Brett Williams had this to say:
Quick service! Professional and affordable. I definitely recommend.

On 7/7/2026 Donna Engelhart had this to say:
Thank you Ryan! Another great PM service from Ozark Mechanical

Contact Us

Ozark Mechanical
2108 Parkway Dr St Peters, MO 63376
Phone: (636) 317-1234

Servicing Central/Eastern Missouri and Southern Illinois

Where To Find Us

Payment Types Accepted

American Express, Personal Checks, Debit Cards, Discover, MasterCard, Visa

Our Hours

Holiday Hours May Vary. Please Call For Details.

Monday: Open 24 Hours
Tuesday: Open 24 Hours
Wednesday: Open 24 Hours
Thursday: Open 24 Hours
Friday: Open 24 Hours
Saturday: Open 24 Hours
Sunday: Open 24 Hours