HVAC Services, HVAC Company & HVAC Repair ServicesLombard, IL, Glen Ellyn, IL, Villa Park, IL, Winfield, IL, Warrenville, IL & Wheaton, IL


Established in 1952, Mel-O-Air Heating and Air Conditioning Inc., is a full service HVAC contractor. We are licensed, bonded and fully insured. We offer a complete installation department with experienced, professional installers, trained in residential, commercial and light industrial equipment. Our fully equipped sheet metal shop can fabricate all types of sheet metal duct work, flashing and architectural sheet metal. Our service division features factory-trained service technicians in fully-equipped trucks to save you time and money. We maintain a 24-hour emergency service line, 7 days a week, 365 days a year. Mel-O-Air has a long standing reputation for quality, price and service. We are the proud recipients of the Carrier President’s Award in 2019, 2020, 2021, and 2022. If we can be of assistance, just call us at 630-668-6990 or e-mail us for a free estimate.


  1. Established in 1952
  2. Fully licensed, bonded and insured
  3. 24 hour emergency service
  4. Radio dispatched service trucks
  5. Sellers of the world’s #1 brand (Carrier)
  6. Large warehouse of inventory and parts
  7. Preventative maintenance service agreements to keep your system operating at peak performance
  8. All work performed by our own factory-trained employees- no subcontracting!
  9. Storefront location (many companies operate from their homes and may not carry insurance)
  10. Separate service and installation departments to serve you better
  11. Financing available with approved credit
  12. Satisfaction guaranteed
  13. EPA certified
  14. Employees are continuously trained to solve all your problems
  15. We remove all your old equipment and debris and leave the job clean
  16. All sheet metal is fabricated at our shop for a perfect fit and look
  17. Friendly, courteous & knowledgeable staff

HVAC ServicesHVAC CompanyHVAC Repair Services ∴ Carol Stream, IL ∴ Wheaton, IL ∴ Lombard, IL