HVAC Tune Up

in Crystal Lake

Keeping Your HVAC System Running Smoothly

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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.

Offering Year-Long Comfort Solutions

Here in Crystal Lake in Northern Illinois about 45 miles northwest of Chicago, we see our fair share of extreme temperatures, from the bitter cold winters to the blustery and humid days of summer. It’s important during these times to have an exceptional HVAC system that you can rely on.

Absolute Comfort installs, repairs, and maintains these exceptional heating and cooling systems in your Crystal Lake-area home or office. In order to keep your HVAC system in tip-top shape, it’s important to invest in regular maintenance services, what we call tune ups. These essential check-ins on your system will allow us to spot potential problems and keep your HVAC system operating efficiently for year-long comfort. Call your local HVAC company today!


  • Save money by keeping your HVAC system operating efficiently
  • Prevent expensive major repairs
  • Increase the longevity of your heating and cooling system
  • Improves your overall air quality
  • Keeps your family safe
  • And more!

As with any other piece of machinery, routine maintenance is vital to ensuring that you are getting the best possible performance out of your plumbing, heating, and air conditioning. Having professionals, such as the team at Absolute Comfort in Crystal Lake, perform your routine HVAC maintenance offers a safe and effective solution to your systems’ needs. We will gladly conduct a thorough inspection, ensuring that your system is doing all it can do for you. Our commitment to customer service is unparalleled, and we strive to be your go-to plumbing and HVAC experts.

Our tune up services include, but are not limited to:

  • Checking burners and heat exchangers
  • Venting system inspection to make sure it is working properly
  • Inspection of the indoor evaporator coil
  • Checking for leaks, rust, soot, frayed wired, and corroded electrical contacts
  • Refrigerant level checks
  • Inspection of your system’s electrical connections
  • Compressor and outdoor fan motor checks
  • Inspection of the furnace and air handler blower assembly to ensure that it is clean and running well

Get in touch with us today if you have any questions, comments, or concerns regarding our AC tune up and furnace tune up services. Our friendly and experienced team looks forward to hearing from you!

Our maintenance plan is a one-time $190 payment and covers your furnace and air conditioning units for one year over two clean & check visits.

  • Includes the Absolute Comfort No Breakdown Guarantee* while each system is in service and covered by the agreement.
  • PLUS 20% off parts while the agreement is active
  • PLUS Priority Service
  • PLUS Loyalty Points that accrue towards discounts on a complete system upgrade – up to $2,000 over 10 years!

Schedule Your Tune Up Today!

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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