*The Angi rating for Heating And Air Conditioning Service companies in Festus, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Festus, MO is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on January 16, 2026
Serving Festus, MO and surrounding areas
Approved
In business since 2014
Free estimates
Emergency services offered
"Customer service was very helpful, tech was able to quickly diagnose the problem and solve it. We signed up for their preventative service HVAC."
Serving Festus, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2017
Emergency services offered
Warranties offered
"Liberty did a fantastic job identifying and rectifying airflow problems with our existing Hvac system that was installed less than two years ago by another company. They were punctual, responsive and incredibly knowledgeable. I highly recommend them."
+10
Serving Festus, MO and surrounding areas
Approved
In business since 1954
Free estimates
Emergency services offered
"Really helped me out in a bind, even came and installed on a Saturday to make sure i had air!!!! Awesome company"
+1
Serving Festus, MO and surrounding areas
Approved
In business since 1982
Emergency services offered
Warranties offered
"They were able to obtain the parts, but when I did not hear back from them when promised, I had the work done by someone else."
Serving Festus, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Credit card accepted
"Thank you for your trust! At Local Air Duct Pros we specialize in professional air duct cleaning, dryer vent cleaning, chimney sweep, and attic insulation. Our licensed and insured team is committed to providing top-quality service at fair prices. We appreciate your support and look forward to serving you again!"
Serving Festus, MO and surrounding areas
Approved
In business since 2025
Free estimates
Emergency services offered
"They did a fabulous job in cleaning all the vents in the house. The entire crew was very professional and treated our home with care. Even our dog loved them! We highly recommend using them!"
+21
Serving Festus, MO and surrounding areas
Approved
In business since 2025
Emergency services offered
Credit card accepted
"Austin was on time, had the unit running in no time, and was able to fix an issue when other companies told me I needed to replace my unit. Great service!"
Serving Festus, MO and surrounding areas
Approved
Free estimates
Emergency services offered
Warranties offered
"Furance was not working, call House Doctor. They were out the next day and got it back up and running. Professional and efficient. Plus, very affordable."
+1
Serving Festus, MO and surrounding areas
Approved
Super Service Award Winner
In business since 1985
Customers say: True professional
"Willy was great. Showed me how he did the work and provided suggestions to finish the door. Worked quick and was super polite. Great guy."
+2
Serving Festus, MO and surrounding areas
Approved
Super Service Award Winner
In business since 2024
Free estimates
Warranties offered
"Vinc and his crew at VMK did and excellent job and I highly recommend there services ! Dave Caputo"
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