At Absolute Comfort, we are proud to serve Crystal Lake and the surrounding area with top-notch air conditioning, heating, and plumbing services. When choosing us for all your home comfort needs, you can rest assured that you are choosing the best. As a trusted institution in HVAC services, we have helped many happy customers with our neighborly approach and expert repairs. We work hard to get in and out of your home or business quickly so that you can get back to life as usual as soon as possible, but we never sacrifice quality of work for speed.

Our staff is friendly, our service is unbeatable, and our technique is proven. We offer a wide array of HVAC and plumbing services, as well as 24/7 emergency service.


We offer the following services:

If you have any questions, comments, or concerns regarding the HVAC services we offer, do not hesitate to get in touch with us. We’re always glad to help however we can!

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  • Our friendly staff is happy to help! We offer free estimates on new HVAC systems. Repair estimates are offered at no cost after the required trip charge. If you need immediate or emergency service, please call 815-893-9276.
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