D&T: Professional HVAC Services and Furnace Repair Frankfort


furnace and a/c unitD & T Heating and Cooling is a family owned and operated HVAC company serving all the southern suburbs of Chicago. When you find yourself in need of air conditioner or furnace repair, replacement or maintenance, our qualified professionals are ready to help. In business for over 35 years, our main goal is to meet or exceed our customer’s expectations. We offer fair, competitive rates on all HVAC equipment including air conditioners, furnaces, indoor air quality equipment, thermostats, generators and more. Our quality repair service and maintenance is offered for both commercial and residential customers. If you are looking for an HVAC company that you can trust, there’s no reason to call anyone else other than D & T Heating and Cooling for all your heating and cooling needs!

Our professional services include:

  • Expert installation of new HVAC equipment, including generators
  • Repair of all major brands of air conditioners and furnaces
  • Professional and knowledgeable troubleshooting and maintenance
  • Commercial and residential air conditioner and furnace repair, installation, and maintenance
  • Indoor air quality products

Know Your Options!


Often times, repairing equipment is the most cost effective option, as long as appropriate parts are available.


Deciding to replace depends on many factors incuding age, usage and maintenance of the equipment.


Well maintained equipment that has annual preventive service performed will last longer and save you money on bills.

100% Customer Satisfaction Guarantee


Satisfaction Guaranteed on HVAC servicesAt D & T Heating and Cooling, our primary goal is 100% customer satisfaction. A happy customer will be a returning customer and one who will recommend us to friends and family. We strive to provide timely, complete and friendly service to all of our customers. If you are unhappy with the HVAC services we provide, simply call us and we promise to make it right. Call (815) 485-7400 or (708) 388-4352 for the best HVAC service in the southern suburbs!

Contact D & T Heating and Cooling today to find out how we can help you stay comfortable and save you money!

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