For All Your HVAC Service Needs
Maintain a Healthy and Comfortable Space
When it comes to HVAC repair and installation, no one does it better than Dennis HVAC, Inc. We serve home and business owners in the Seymour, IL area. We understand how important indoor air quality is in maintaining a healthy and comfortable space. This is why our HVAC service team is ready to assist you with your heating and cooling system installation, repair, and maintenance needs.
HVAC Repair
HVAC Systems We Service:
  • Air Conditioners
  • Air Purifiers
  • Boilers
  • Ducts
  • Heat Pumps
  • Humidifiers
  • Indoor Air Quality Systems
  • Programmable Thermostats
We Deal HVAC Units and Parts
We are authorized dealers of the Trane brand of HVAC equipment. We also sell heating equipment, furnaces, and air conditioners. By providing you access to other HVAC equipment brands, we expand your buying options. Parts for light commercial boiler units may also be sourced from us as well. Create the perfect setting and temperature for your indoor properties today!
Keep Breakdowns to a Minimum
HVAC systems breakdowns could spell a disaster at home, in the office, or at your business establishment. Keep your indoor space comfortable year-round with our fall and spring tune-up services. However, in case of an unexpected failure, you can always trust Dennis, HVAC, Inc. to be there in your time of need. We respond to emergency calls 24 hours daily!
Avoid Faulty HVAC Systems
Don’t delay HVAC repairs to avoid faulty systems. Keep your spaces comfortable by scheduling a repair or maintenance for your HVAC units. Call us at (217) 398-5977 to learn more about the services we offer. We look forward to solving your cooling and heating problems today. Don’t forget to ask for a free HVAC service estimate.