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Work with Blue Star Heating & Cooling for Expert Service

The process of finding the right heating and cooling company in Grayslake, Roundlake, Mundelein, Libertyville, Lake Zurich, Hawthore Woods, and Wadsworth, IL shouldn’t be complicated. The negative experience you’ve had with past contractors may have made you wary. As a trusted source for HVAC repairs, maintenance, and installation, Blue Star Heating & Cooling provides service to residents and businesses throughout Grayslake, IL and surrounding areas. Our company was founded out of a desire to provide customers with a customer-oriented service in our neighborhood, and we have set out to guarantee your satisfaction. It is our goal to provide you with the best solutions possible, and we have the right team in place to do so. We offer a wide range of services, from boiler repair to ductless installation.

Maintenance Plans

Special Offers and Rebates

ComEd Rebate

Limited time offer. Offers cannot be combined with other promotions. Call for details.

Use By

04/30/2026

$100 Off

Indoor Air Quality products.

Limited time offer. Offers cannot be combined with other promotions. Call for details.

Use By

04/30/2026

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Commercial HVAC Service You Can Count On

As a company, we aim to stand out from the competition. In addition to being NATE certified, our team has been screened and approved by Home Advisor. Subcontracting is not part of our business model. Your technician is a full-time employee of Blue Star Heating & Cooling. We pride ourselves on having a loyal and trustworthy team that strives to foster long-term relationships with our customers. Over 20 years of experience in the HVAC industry, upfront and affordable pricing, as well as the ability to service all brands, are some of the advantages we offer.

Commercial HVAC

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Furnace Service, AC Repair, AC Service, HVAC Installation & Heating Repair Grayslake, IL, Round Lake, IL, Hawthorn Woods, IL, Libertyville, IL, Mundelein, IL & Wadsworth, IL

Heating Repair in Grayslake, IL | HVAC Installation Round Lake, IL | Furnace Service Hawthorn Woods, IL

AC Repair ∴ Heating Repair ∴ Furnace Service ∴ HVAC Installation ∴ AC Service ∴ Round Lake, IL ∴ Libertyville, IL ∴ Grayslake, IL

Gus and Jesse explained everything they were doing and noticed the area around my water heater was damp. After checking it, they told me to keep an eye on it rather than recommending immediate replacement. I have already recommended them to friends.

Katherine S

Excellent service.

Sorin P

Strongly recommended

Mike

Very professional and prompt. While conducting the cleaning(which there was quite a lot of dust and debris) of furnace, Gustavo discovered that a bird had flown into it and that was causing furnace from not starting up. Now I know the issue and what to do it prevent further issues. Thank You Gustavo

Bryan B

Gus responded within minutes and came to work on the project same day. He was very honest and thorough with the details of what he was doing. He also explained some tips and what to watch out for when maintaining the ac unit.

Alex R

Gustavo was very thorough. Explained everything he was doing. Friendly service and professional. Highly recommend.

Frank C

Very nice, very helpful, very knowledgeable, and went that little extra to make you feel special. Thank you.

David D

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