Crystal Lake's

Distinguished Home Comfort Experts

Exceptional heating services, cooling services, and installation for your home!

Bottom line, call them. Highly recommended.

I have used Absolute Comfort’s services for my furnace multiple times (these have each been different issues – they’re not screwing up anything and leaving me with a half fixed furnace) and Dustin is always quick to respond, professional, and knows what he’s doing (fairly important. You know, because it’s a furnace. I don’t want my house to turn into a fireball.).

Bottom line, call them. Highly recommended.


Carisa L.

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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.

Keeping Your Home Just Right

100% Financing Available!

10 + Years of HVAC Service, Installation & Repairs

Furnace Repairs

When the need arises for a heating system evaluation, bring in Absolute Comfort for proper diagnoses and first-rate repairs.

AC Installation

The newest service gadgets and 15 years of experience in the field - we have the solution for any air conditioning system failure.

Furnace Installation

Our unrivaled installations and replacements provide elegant aesthetic finishes optimized for precise airflow and heat delivery.

Clean & Check

Having systems cleaned and checked means less energy used and more money saved! We will conduct a thorough inspection so nothing gets missed.


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