About Mertens Service Inc.

Here at Mertens Service Inc., it has been our pleasure to offer the highest level of home comfort for the St. Louis area for years. Our foundation consists of efficient, reliable and cost effective heating, air conditioning and indoor air quality products from York.

Quality heating and cooling products are just where we begin. The technicians at Mertens Service Inc. are trained and equipped to handle anything from routine HVAC maintenance & repairs on a residential system to complete turnkey installations for commercial environments.

Mertens Service Inc. offers your family or business the best heating and cooling products and HVAC services, combined with a level of customer service that will exceed your expectations.

Why Choose Mertens Service Inc.?

  • Financing Available
  • 100% Guaranteed Work
  • High Quality Work
  • Free Estimates On Installs & Replacements
  • Locally Owned & Operated
  • Factory Trained And Authorized
  • Licensed In All Areas Serviced