Air Conditioning Contractors
Weis Comfort Systems, Inc.
1591 Fenpark Dr.
1591 Fenpark Dr.
Fenton, MO 63026
(636) 343-8440


  • Air Conditioning Contractors
  • Heating & Air Conditioning
St. Louis HVAC, Air Conditioning, and Heating/Furnace Repair. The St. Louis HVAC contractors at Weis Comfort Systems provide the best in HVAC products and services to residential and commercial clients all over the Greater St Louis metropolitan area. All of our technicians have been highly trained and educated on the best practices to install, repair, and maintain heating and cooling systems. From your furnaces, boilers, air conditioners, filtration and air quality systems, Weis Comfort Systems can handle the job. Weis has over 40 years of experience in the business, proving our commitment to providing our customers with the best service that is affordable and cost-efficient. Please contact us at: 636-343-8440 in St Louis, MO and 618-233-3039 in Belleville, IL or visit our website at


  • MONDAY: 8:00 AM-4:30 PM
  • TUESDAY: 8:00 AM-4:30 PM
  • WEDNESDAY: 8:00 AM-4:30 PM
  • THURSDAY: 8:00 AM-4:30 PM
  • FRIDAY: 8:00 AM-4:30 PM
  • SATURDAY: Closed
  • SUNDAY: Closed
HVAC Repair Services in St. Louis, MO