According to its website, QuesTec Mechanical offers commercial HVAC and mechanical contracting. It is listed under Home Services on Rooted CoMo.

QuesTec Mechanical is listed at 1390 E Boone Industrial Dr, Columbia, MO 65202, USA.

Listed hours: Monday: 7:00 AM – 3:30 PM; Tuesday: 7:00 AM – 3:30 PM; Wednesday: 7:00 AM – 3:30 PM; Thursday: 7:00 AM – 3:30 PM; Friday: 7:00 AM – 3:30 PM; Saturday: Closed; Sunday: Closed. Hours can change, so it's a good idea to call ahead, especially on holidays.

You can call (573) 875-0260 or visit questec.us.

QuesTec Mechanical had a 4.8 out of 5 rating from 16 Google reviews as of May 2026.

Based on its listed hours, QuesTec Mechanical is closed on Saturday and closed on Sunday.

Missouri requires plumbers to hold a state plumber license. You can verify a plumber's license through the Missouri Division of Professional Registration at pr.mo.gov. In Columbia, also look for plumbers who are members of the Boone County Builders Association. Get at least two written estimates for any work over $500, and confirm the plumber carries general liability and workers' compensation insurance.

Columbia has several well-established HVAC companies serving Boone County and surrounding areas. Look for NATE-certified technicians, which indicates standardized HVAC training. Missouri does not require a separate HVAC license, but technicians must hold an EPA 608 certification for refrigerant handling. Many Columbia HVAC companies offer seasonal maintenance plans that save money compared to paying per service call.

Home service costs in Columbia, MO vary by trade. Plumber hourly rates run $85 to $150/hour. Electricians charge $75 to $130/hour. HVAC service calls start at $85 to $120. Lawn care for a typical Columbia residential lot runs $35 to $65 per mow. General handyman services average $50 to $90/hour. Getting multiple quotes is the best way to ensure fair pricing for any home project.

Missouri requires licensing for specific trades: plumbers, electricians, and HVAC technicians must hold state licenses. General contractors are not required to hold a state license in Missouri, but the City of Columbia requires building permits for most structural, electrical, plumbing, and HVAC work. Always ask for license numbers and verify them, pull permits for major work, and ensure contractors carry liability insurance.

For after-hours plumbing emergencies (burst pipe, sewer backup), search for Columbia plumbers advertising 24/7 emergency service, which several companies in Boone County offer. For electrical emergencies, same approach applies. For HVAC failures during extreme temperatures, most Columbia HVAC companies prioritize no-heat calls in winter. Keep the City of Columbia utility emergency number handy: (573) 874-7340 for after-hours water/sewer main issues.

Check that work requiring building permits is properly permitted with the City of Columbia Building and Site Development office, since unpermitted work can cause issues when selling your home. Get 2 to 3 written bids, check references, and avoid contractors who ask for more than 30 to 50% upfront. The Better Business Bureau of Missouri and online reviews are good starting points for vetting Columbia contractors.