Residential & Commercial

We provide service and installation of HVAC equipment, whether you are in a residence or a commercial application.

Service & Installation

We offer service on all makes and models of HVAC equipment. We also install new furnaces, air conditioners, whole house filtration systems, whole house humidifiers, and germicidal lamps.

Custom Sheet Metal

Stewart's Heating & Air Conditioning has a full sheet metal shop for all of your custom sheet metal needs.


Stewart’s Heating & Air Conditioning has been serving the Dixon, IL. area for over 50 years. The business was started in 1962 by Harry Stewart and was taken over by his sons, Phillip and Jon Stewart. In 2014 the current owners, Brandon Reuter and Dustin Drew took over the business. Dustin has been in the business for over 13 years and was even an HVAC instructor at Sauk Valley Community College. Brandon has been in the business for over 4 years and is a graduate from Sauk Valley Community College as well. Stewart’s offers Service & Installation on Residential & Commercial units with 24 hour emergency service. Stewart’s offers FREE estimates, and we also service a 15 mile radius of Dixon, IL. When you have a heating or cooling problem, we know you want a fast response - even if it is after hours or on a weekend! Your time & comfort are important to us, so let our team of highly  trained HVAC technicians service all of your home comfort needs!




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  • "I trust Stewart's Heating & Air Conditioning to respond to any issue that may arise at my properties and handle the situation professionally at a fair price." - Eric B. (Sterling)

  • "The staff of Stewart's handled our furnace replacement in a timely professional manner." - Gary M. (Dixon)

  • "Stewart's has always been very responsive to our needs and provide good recommendations that made sense." - Gary B. (Dixon)

  • "They did a good job explaining what was going on and did a great job doing the work." - Harold N. (Dixon)

  • "I have always had very good service when I've called with a problem. They always came out and did the work and completed it in a timely manner. Good friendly service, fair and honest. I recommend Stewart's to my family and friends!" - Brad K. (Dixon)

  • "A very good experience- the first service was for my central A/C , then a service call for the furnace and, most recently the installation of a new furnace. Both owners and service men have been prompt, caustious, and efficient. I appreciate them cleaning up that not leaving a mess. Keep up the good work and I am certain you will have a successful business!" - Ruth R. (Dixon)

  • "I've had Stewart's since sometime in the 1990's. They have always been honest people to do business with, and pleasant." - Grace S. (Dixon)

  • "Great people, great service. Couldn't ask for a better HVAC company!" - Charles K. (Dixon)

  • "In all of the times that we've used Stewart's repair and installation services, the response has always been prompt and the service techs have always been professional and friendly!" - Richard C. (Dixon)

  • "We had an early morning service call to get the furnace restarted. The tech was to our house within 15 minutes! They got it restarted within minutes, but we found out that we needed to replace the furnace. They were able to install a new high efficient furnace within a couple of days. It made a huge difference!" - Larry M. (Dixon)

  • "I have used Stewart's several times in the past, and have always been satisfied. I would definitely use them again." - Albert S. (Dixon)

  • "Very resourceful, polite, and great workers!" - Mark F. (Franklin Grove)

  • "Stewart's have provided great services at reasonable cost for us for over 30 years. This includes electric heat-pump installation and maintenance 30 years ago in a different home. At our present house, they have installed a new furnace, and responded to our call when our chimney was damaged by the wind. Stewart's Heating & Air Conditioning also proveded my parents with heating equipment in Woosung, IL. many years ago." - Don H. (Dixon)




For any inquiries or questions, please call: 815-288-2735 and leave a message

Get a quote: 815-288-2735
Home Office

321 W. 1st St.

Dixon, IL. 61021

Tel: 815-288-2735

Fax: 815-288-2726


To apply for a job with Stewart's Heating & Air Conditioning, please send a resume to or drop it by our office.