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Indoor air quality is important for the health and comfort of your family.

air quality happy family

Humidify and sanitize the air in your home for a healthier home. Click the links below to learn more about humidifiers, iWave technology, and APCO-X UV lights

Air Quality illustration
UV Air Purifier
Purify the air in your home with the APCO Whole House Air Purifier UV Light
APCO kills 99+% of airborne mold, bacteria, viruses, including SARS-COV-2, and allergens. Click the link below to see the independent study results.
Call our office for installation information.

Serving St. Charles 30 Years

Leiber HVAC has been serving St. Charles County since 1992. With a service motto, " treat others as we would like to be treated." We have continually tried to add value to the service and installation of all equipment. 

Getting the most for the least dollars has kept Leiber Heating and Air Conditioning busy serving the original customers,as well as, new customers joining our team. 

Leiber HVAC family


 "I've been a customer for over 20 years and am very pleased with everyone in the company.  Very comfortable working with you all"  Don H.
"Jonathan and Karl are awesome. They are so helpful and very informative...very thorough. We recommend Leiber to all of our friends and family. Very down to earth and no high pressure sales."  SQUARE feedback
"We can always trust your people to do a thorough job. Great customer service and quality."  Donald O.
"Nick was very friendly, helpful, and professional."  Luke M.

"Very nice technician.  We've been using Leiber for many years. I would recommend them to all who desire a reputable and honest company to complete their work."    SQUARE feedback

"The girls in the office are very helpful and nice."   Phil A

Did you get great service? Please leave us a review on Google and Facebook!!  We thrive on word of mouth business!

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