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QuesTec Contact information, map and directions, contact form, opening hours, services, ratings, photos, videos and announcements from QuesTec, Heating, ventilating & air conditioning service, 2315 Technology Drive Suite 105, O'Fallon, MO.

🔧👷‍♂️ As Labor Day weekend approaches, we'd like to take a moment to recognize and thank the hardworking members of the ...
09/04/2026

🔧👷‍♂️ As Labor Day weekend approaches, we'd like to take a moment to recognize and thank the hardworking members of the QuesTec team. Your dedication, expertise, and commitment are what keep projects moving and our customers taken care of every day. 💙🧡

QuesTec is proud to help sponsor the Boonville 12U All Stars as they head to Branson for the Cal Ripken Little League Wo...
08/03/2026

QuesTec is proud to help sponsor the Boonville 12U All Stars as they head to Branson for the Cal Ripken Little League World Series! ⚾💙

We love being able to support our local community and help young athletes pursue opportunities they’ve worked so hard to earn.

The World Series begins August 5. Please join us in wishing the team safe travels and the best of luck as they represent Boonville at the World Series! ⚾🏆

We’re proud to celebrate our 2026 State Tech HVAC Service interns on National Internship Day! 🔧Titus Nolie – St. LouisDe...
07/30/2026

We’re proud to celebrate our 2026 State Tech HVAC Service interns on National Internship Day! 🔧

Titus Nolie – St. Louis
Derek Jantz – Columbia
Wyatt Jennings – Columbia

These guys have brought hands-on skills, great attitudes and an eagerness to learn straight to the job site. QuesTec is proud to partner with State Technical College of Missouri to help grow the commercial HVAC workforce of tomorrow!

07/21/2026

QuesTec Mechanical recently welcomed nearly 80 local educators for the Show Me Careers Educator Experience!
Educators toured our prefabrication facility and participated in hands-on activities featuring flaring and soldering, estimating and quoting, and construction technology. The experience provided a firsthand look at skilled-trade career opportunities they can share with their students.
Thank you to the Columbia Chamber of Commerce and everyone who helped make the day a success! 🛠️

We had a great time sponsoring a Builders Brews Happy Hour this spring! 🍻Events like these are a great opportunity to co...
07/13/2026

We had a great time sponsoring a Builders Brews Happy Hour this spring! 🍻
Events like these are a great opportunity to connect with fellow professionals, strengthen industry relationships, and support the construction community that keeps our region growing.
Thank you to The Builders AGC for hosting another great event, and to everyone who stopped by to visit with our team. We appreciate the opportunity to be part of it and look forward to the next one!

07/06/2026

🎥 Take a look inside QuesTec Mechanical!
Every project tells the story of our people. Their skill, dedication, and teamwork drive everything we do. Whether they're in the shop, in the field, or in the office, they take pride in delivering quality work every day.

We're proud to celebrate the incredible people who make QuesTec Mechanical what it is.

A special thank you to Rapport Storytelling for helping us tell their story.

07/02/2026

🇺🇸 Happy Independence Day from all of us at QuesTec! 🇺🇸

In observance of Independence Day, our offices will be closed Friday, July 3, and we will resume normal business hours on Monday, July 6.

As we celebrate our nation's 250th birthday, we wish everyone a safe, fun, and memorable 4th of July with family and friends. ❤️🤍💙

QuesTec was proud to welcome students from Columbia Public Schools during the inaugural 2026 Construction Trades Summit!...
07/01/2026

QuesTec was proud to welcome students from Columbia Public Schools during the inaugural 2026 Construction Trades Summit!

Alongside Emery Sapp & Sons, Reinhardt Construction, Midway Electric, Inc., and Nabholz Corporation, we had the opportunity to introduce students to careers in the skilled trades through hands-on experiences and a behind-the-scenes look at our prefabrication facility.

Thank you to Columbia Public Schools and our education and industry partners for making the inaugural Construction Trades Summit a success. We look forward to many more!

QuesTec was proud to sponsor a hole and have several of our team members out supporting today's CSI | NAWIC Golf Tournam...
06/08/2026

QuesTec was proud to sponsor a hole and have several of our team members out supporting today's CSI | NAWIC Golf Tournament at The Club at Old Hawthorne! ⛳

Here's hoping they spent more time golfing than getting rained on! 🌧️😄

Thanks to the Central Missouri #341 NAWIC for a great event!

🎶 We're proud to be one of the many sponsors supporting Voices of Columbia and the incredible work of Heart of Missouri ...
06/04/2026

🎶 We're proud to be one of the many sponsors supporting Voices of Columbia and the incredible work of Heart of Missouri CASA! ❤️

Join us this Sunday at Logboat Brewing Company for an afternoon of live music, great food and drinks, family fun, and community—all for an amazing cause.

📅 Sunday, June 7
🕒 3:00–6:00 PM
📍 Logboat Brewing Company
🎟️ FREE Admission!

We hope to see you there!

Address

2315 Technology Drive Suite 105
O'Fallon, MO
63368

Opening Hours

Monday 8am - 5pm
Tuesday 8am - 5pm
Wednesday 8am - 5pm
Thursday 8am - 5pm
Friday 8am - 5pm

Telephone

+13143325123

Website

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