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HVAC Company In Vernon Hills IL

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Expert Local HVAC Services in Vernon Hills IL

American Star has been serving the residents of Vernon Hills, IL and the surrounding areas since 1980. In that tiime, we’ve encountered pretty much any heating, cooling, or indoor air quality issue you can imagine. We’ve become so confident in our skills that we offer a 100% money back guarantee on all services! We also offer financing for people who prefer to pay over time and our Galaxy Club, a planned maintnenace program to help our planning-ahead clients save time and money.

We offer a full range of HVAC services, including repair, replacement, installation, and maintenance for furnaces, boilers, heat pumps, and air conditioners. We also offer indoor air quality services to improve your health and comfort at home, including UV light air purifiers, air cleaners, whole-home humidifiers, and duct cleaning. Odors, harmful microorganisms, and dry throats don’t stand a chance! Read our reviews and find out why your neighbors consider us to be their nearby heating and air company in Vernon Hills, IL.

Recent Jobs and Reviews in Vernon Hills, IL

Rated 5.0 out of 5 stars based on 2 customer reviews

Customers say: The overall sentiment across these reviews is overwhelmingly positive, reflecting high levels of customer satisfaction and appreciation. Customers consistently express gratitude for the professionalism, expertise, and thoroughness demonstrated by the service technicians. A dominant theme throughout the feedback is the technicians' ability to communicate clearly, patiently answer questions, and explain procedures in an understandable manner, which fosters trust and confidence. Reviewers frequently highlight punctuality, efficiency, and attention to detail, noting that technicians go above and beyond standard expectations—such as proactively changing filters, adjusting dampers, and ensuring every aspect of the work is completed meticulously. The respectful and friendly demeanor of the service providers is repeatedly praised, with customers noting their courtesy, approachability, and ability to make clients feel comfortable and valued. Many reviews emphasize long-term loyalty to the company, with customers expressing their intention to request specific technicians for future services and recommending the company enthusiastically to others. The tone is warm and appreciative, with customers describing their experiences as pleasant and stress-free, often mentioning a no-pressure approach and genuine care for customer needs. Overall, the sentiment reflects a strong, positive relationship between the service provider and its clientele, characterized by reliability, expertise, and exceptional customer service.

Our Local Reviews by City

Job Locations and Reviews

Vernon Hills, IL - Performing annual AC clean & check on Bryant unit in Vernon Hills. Taking temp drop. Flushing hot water heater. Replacing air filter.
Alexa M.
Alexa M. Checked in
Performing annual AC clean & check on Bryant unit in Vernon Hills. Taking temp drop. Flushing hot water heater. Replacing air filter.
Vernon Hills, IL 60061
Vernon Hills, IL - Troubleshooting Bryant furnace in Vernon hills. Taking amp draw taking heat rise.
Alexa M.
Alexa M. Checked in
Troubleshooting Bryant furnace in Vernon hills. Taking amp draw taking heat rise.
Vernon Hills, IL 60061
Vernon Hills, IL - Performing annual ac clean & check. Replacing air filter. Checking temp drop & amp draw.
Alexa M.
Alexa M. Checked in
Performing annual ac clean & check. Replacing air filter. Checking temp drop & amp draw.
Vernon Hills, IL 60061
Review
Excellent Service!
Jonathan - Vernon Hills, IL 60061
Vernon Hills, IL - Performing annual furnace clean & check on Bryant furnace. Taking amp draw. Cleaning out drain trap.
Alexa M.
Alexa M. Checked in
Performing annual furnace clean & check on Bryant furnace. Taking amp draw. Cleaning out drain trap.
Vernon Hills, IL 60061
Review
Alexa is very professional and wonderful to deal with. She does an outstanding job that is thorough and detail-focused. I heartily recommend her and American Star to everyone I need of HVAC and duct cleaning services!
Sue - Vernon Hills, IL 60061
Vernon Hills, IL - Performing annual furnace clean & check on Bryant unit. Replacing electronic air cleaner. Replacing humidifier pad.
Alexa M.
Alexa M. Checked in
Performing annual furnace clean & check on Bryant unit. Replacing electronic air cleaner. Replacing humidifier pad.
Vernon Hills, IL 60061
Vernon Hills, IL - Water heater service
Chris S.
Chris S. Checked in
Water heater service
Vernon Hills, IL 60061
Vernon Hills, IL - Performing annual furnace check. Checking flame rectification. Taking heat rise.
Alexa M.
Alexa M. Checked in
Performing annual furnace check. Checking flame rectification. Taking heat rise.
Vernon Hills, IL 60061
Vernon Hills, IL - Performing annual furnace maintenance check on carrier unit. Checking inducer motor amps. Taking heat rise.
Alexa M.
Alexa M. Checked in
Performing annual furnace maintenance check on carrier unit. Checking inducer motor amps. Taking heat rise.
Vernon Hills, IL 60061
Vernon Hills, IL - Performing annual ac clean & check. Replacing air filter. Taking temp drop.
Alexa M.
Alexa M. Checked in
Performing annual ac clean & check. Replacing air filter. Taking temp drop.
Vernon Hills, IL 60061
Vernon Hills, IL - Performing annual AC clean & check on Bryant unit. Replacing UV sanitizer bulb. Taking temp drop.
Alexa M.
Alexa M. Checked in
Performing annual AC clean & check on Bryant unit. Replacing UV sanitizer bulb. Taking temp drop.
Vernon Hills, IL 60061
Vernon Hills, IL - Performing annual AC clean & check. Hosing off outdoor unit. Replacing air filter.
Alexa M.
Alexa M. Checked in
Performing annual AC clean & check. Hosing off outdoor unit. Replacing air filter.
Vernon Hills, IL 60061
Vernon Hills, IL - performing a winter tune up on an Carrier 80% downflow
Adam C.
Adam C. Checked in
performing a winter tune up on an Carrier 80% downflow
Vernon Hills, IL 60061
Vernon Hills, IL - Performing winter furnace maintenance check. Replacing air filter. Sanitizing & replacing humidifier pad.
Alexa M.
Alexa M. Checked in
Performing winter furnace maintenance check. Replacing air filter. Sanitizing & replacing humidifier pad.
Vernon Hills, IL 60061
Vernon Hills, IL - Performing annual furnace inspection. Cleaning trap out. Replacing humidifier pad.
Alexa M.
Alexa M. Checked in
Performing annual furnace inspection. Cleaning trap out. Replacing humidifier pad.
Vernon Hills, IL 60061
Vernon Hills, IL - Water heater replacement
Chris S.
Chris S. Checked in
Water heater replacement
Vernon Hills, IL 60061
Vernon Hills, IL - Performing a summer tune up on an Bryant high efficiency air conditioner
Adam C.
Adam C. Checked in
Performing a summer tune up on an Bryant high efficiency air conditioner
Vernon Hills, IL 60061
Vernon Hills, IL - Performing ac maintenance check. Replacing power booster & replacing air filter.
Alexa M.
Alexa M. Checked in
Performing ac maintenance check. Replacing power booster & replacing air filter.
Vernon Hills, IL 60061
Vernon Hills, IL - Inspecting, cleaning, and maintaining counterflow furnace and humidifier.
Christopher C.
Christopher C. Checked in
Inspecting, cleaning, and maintaining counterflow furnace and humidifier.
Vernon Hills, IL 60061
Vernon Hills, IL - Performing maintenance, cleaning, and inducer repair.
Christopher C.
Christopher C. Checked in
Performing maintenance, cleaning, and inducer repair.
Vernon Hills, IL 60061
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