Our installers always show up at your home or business in uniform, looking clean-cut and dependable. We understand that you are letting someone you don't know into your home, which is why we take great care in selecting and training all of our employees. We promise you can be confident and comfortable while we work on your heating and cooling needs. Our employees are always friendly, experienced, and courteous; each one undergoes an extensive background check. The quality of our employees is just one aspect of our dedication to our customers.

For reliable, prompt service and economical air conditioning solutions, contact K&J Heating and Cooling. Our certified technicians handle air conditioning repair and installation throughout DuPage County. We offer free in-home estimates and are here to answer any questions - just call us today at 630-834-3456 to speak to an AC representative today. We work on diverse cooling systems, no matter how old and regardless of the manufacturer, to offer great service in DuPage County. From small calibration issues to complete system failure, our friendly, professional technicians can handle your request.

Quick, friendly and reliable. Have used k&j multiple times. Highly recommend!

Our heat went out last night! This morning we called the emergency line and Jim called back almost immediately! He walked me through a couple of scenarios and how I could fix it myself. He was very polite and knowledgeable. I will definitely recommend K&J. This is how customer service should be! Thank you, Jim!

Hands down the best heating and cooling company out there. Always professional and courteous. I cannot tell you how many times Vince has been a lifesaver for both home and work. Linda is one of the nicest customer service representatives out there. They are always dependable and let you know exactly what is necessary. My staff and I cannot say enough good things about them. Their quality of work is above the rest. We have definitely found our go-to company for anything related to heating/ cooling. Don't bother looking elsewhere, call them!

What's new?

Using plants to purify your home’s air is a great tool- but it can only take you so far. Have you noticed itchy eyes? Are your eyes sensitive and watering lately? Give us a call to check out your air quality. Our certified air quality technicians are trained in all areas of indoor air quality, from...

Posted on Mar 02, 2021  •  Facebook

Another snowy day in the Chicago suburbs ❄️

Posted on Feb 16, 2021  •  Facebook

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