St. Louis ThermalTech

About

Locally owned and operated, St. Louis ThermalTech is your trusted source for professional HVAC installation, repair, and maintenance in St. Louis and the greater Missouri region. With over 61 years of experience, our certified technicians handle everything from emergency AC repairs to complete system replacements.

Services

• Duct Cleaning
  USD 180–569 · ESTIMATE
• Geothermal Systems
  USD 240–720 · ESTIMATE

Brands We Work With

Credentials

• License: LIC-31038-US Verified(Missouri DED)
• Insurance: Not verified
• Background check: Passed
• Employees: 51-100
• Service radius: 28 km

Reviews (3)

• ★★★☆☆
  Friendly and efficient

  Had St. Louis ThermalTech come out for our annual maintenance. The tech was thorough and explained everything. Good value for the price.

• ★★★★★
  Would use again

  Called St. Louis ThermalTech for an emergency repair and they were here within an hour. Professional, courteous, and got everything working again.

• ★★★★☆
  Fair pricing

  Very happy with the service from St. Louis ThermalTech. They replaced our entire HVAC system and the difference is night and day. Highly recommend.