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Your Dream Home Starts Here

Shamrock Heating and Air Conditioning has proudly served DuPage and Kane Counties for over 40 years. As a leader in the HVAC industry, we are compelled to uphold a higher standard of excellence than other companies. When you call Shamrock, you will get an intelligent customer service representative live on the phone 24 hours a day. Our outstanding customer service, combined with our experience in the HVAC industry, is essential to our superb service.

Our Story

Our journey began in 1969 when our founder, Tom O'Connor, was honorably discharged from the Navy due to an old injury. Tom started doing handyman jobs in the Brandywine subdivision of Villa Park and later started Shamrock Heating & Air Conditioning along with his wife Kathy. Throughout the years, Tom has always stayed true to his policy of being honest and ensuring that his employees do the same. His commitment to integrity has earned the trust of his customers and has been the foundation of our business.

Our Services

We offer a wide range of Heating and Air Conditioning products and services to meet your every need. Our team of world-class technical experts are certified and trained to provide a greater standard of excellence to protect your family's comfort, health, and safety. Our award-winning and nationally acclaimed HVAC technicians are professionally trained and certified in the use of innovative infrared camera Inspector technology to deliver precise diagnosis of any existing heating, cooling, or air-quality challenges.

Our Commitment to Excellence

At Shamrock, we understand that our customers' expectations are high, and we strive to exceed them. We have an unwavering commitment to providing exceptional service, unparalleled expertise, and top-notch products. Our fleet of fully stocked vehicles is equipped with state-of-the-art technology to ensure that our technicians have everything they need to get the job done efficiently and effectively.

Our Guarantees

We deliver over TEN no-hassle, no-excuses guarantees! Not only do we provide a 100% money-back guarantee if you're, for any reason, dissatisfied with your new system, but we also offer many more guarantees that ensure your customer satisfaction and protect your family's comfort, health, and pocketbook. Our guarantees include:

  • 100% Money-Back Guarantee

*$500 "No Frustrations" Guarantee

  • Workmanship Guarantee
  • Total Comfort Guarantee
  • Property Protection Guarantee
  • No "Surprises" Guarantee
  • No "Lemon" Guarantee
  • Round-the-clock Service Guarantee
  • Utility Savings Guarantee
  • Indoor Air Quality Improvement Guarantee

Our Expertise

Our team of expert technicians has a combined experience of over 40 years, ensuring that your HVAC needs are in good hands. Our experts are certified, trained, and equipped to provide you with the best possible solutions for your heating and cooling needs.

Our Awards and Accolades

Shamrock Heating and Air Conditioning has been recognized for its outstanding services, earning numerous awards and accolades. Our technicians have received top recognition from national organizations in the HVAC industry, and our company has been consistently ranked as one of the top HVAC companies in the region.

Our Community

At Shamrock, we are committed to giving back to our community. We believe that it is our responsibility to make a positive impact on the lives of those around us. Whether it's supporting local charities or participating in community events, we strive to be good neighbors and good corporate citizens.

Our Promise

At Shamrock Heating and Air Conditioning, we promise to deliver exceptional service, unparalleled expertise, and top-notch products. We vow to always put our customers' needs first, to listen to their concerns, and to provide them with honest and transparent advice. We promise to be accountable for our actions, to take responsibility for our mistakes, and to continuously strive for excellence.

Reviews
Positive: Shamrock received praise for their friendly and professional technicians, honest recommendations, and reliable maintenance programs.
Negative: Shamrock faced criticism for instances of misleading or incomplete work, poor communication, and unmet expectations.

Installation and Customer Service Experiences

Positive Experiences

  • Many reviewers praised Shamrock's customer service, citing friendly and professional technicians, prompt responses, and honest recommendations.
  • Several reviewers appreciated the company's maintenance programs and VIP services, which they found to be reasonably priced and reliable.
  • Some reviewers had positive experiences with specific technicians, such as Chris and Jonathan, who provided clear explanations and affordable solutions.

Negative Experiences

  • A few reviewers had negative experiences with Shamrock, citing instances of misleading or incomplete work, poor communication, and unmet expectations.
  • One reviewer felt misled by a technician who installed a cheaper and less efficient unit than promised, while another reviewer was unhappy with the company's response to their Trane air filter issue.
  • Another reviewer felt scammed by a promotional offer that did not deliver as promised.
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