Crystal Lake's

Distinguished Home Comfort Experts

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

Furnace Installation

When you’ve had your furnace repaired time and time again, and ultimately come to the conclusion that it’s time for a new one, it’s important to choose the right professionals to install it so that you can avoid issues and heating interruptions later on. Choose Absolute Comfort in Crystal Lake, and our experienced and talented team will see to it that you are well taken care of. We will make sure that you are not only choosing the correct unit to fit your needs, but that it is installed properly so that you can rest assured that your home will always feel warm and cozy.

We work hard to ensure that we get in and out of your home quickly, but we never sacrifice quality just to wrap things up in a hasty manner. Ultimately, your comfort in your home or business is the most important thing to us, and that’s why we take immense pride in our work and our efforts to make it a more pleasant place for you, your family, or your employees.

At Absolute Comfort, excellent customer service is of the utmost importance to us, which is why we make a concerted effort to be there for you whenever you need us — so, do not hesitate to get in touch with us if you have any questions, comments, or concerns regarding our furnace installation services. Our installations come with a full 10 year parts & labor warranty.*

We offer free estimates on new equipment!

Do not fill this form out if you’re a solicitor.

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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