Trust us for all your HVAC needs

You'll probably need quite a few HVAC services throughout the year. Thankfully, you can count on our HVAC contractors every step of the way. We can handle:

  • Air cleaner and humidifier installations
  • Duct and ductless HVAC installations
  • HVAC maintenance checks
  • AC and furnace repairs


We'll make sure your system is always working its best. Schedule an appointment for an AC repair, HVAC installation or any of our other residential HVAC services.

Stay Comfortable All Year Long

Work with a trusted HVAC contractor in St. Charles, MO

You worked hard to create a cozy home. But if your HVAC system is malfunctioning, you'll sweat all summer and shiver during winter. Thankfully, Assured Heating and Cooling of Saint Louis can help. We offer top-notch residential HVAC services in St. Charles, MO.

Why choose Assured Heating and Cooling of Saint Louis?

When your days are already hectic, the last thing you want to worry about is an HVAC system that's constantly breaking down. Thankfully, you won't have to when you work with our HVAC contractors. You can trust that we'll install or repair your system flawlessly because we:

  • Are licensed, bonded and insured
  • Rely on over 15 years of experience
  • Offer labor warranties on all installments
  • Use a personal approach to solve problems
  • Prioritize the customer's needs at every turn
  • Stand behind our work and will fix any errors
  • Provide free estimates on all system replacements


Want to learn more about our local, family owned and operated company? Call us today at 314-651-5969.