Shamrock Heating and Air Conditioning HVAC technicians are the most highly trained in Illinois!

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Better Business Bureau
Accredited with A+ rating
North American Technician Excellence
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Shamrock installed a Trane – American Standard System over ten years ago, and it is still working wonderfully. The minor problems we have had, the technician was able to fix them quickly and cost-effectively which made us happy!

We have been servicing our hot water heater with Shamrock for over 9 years and they give excellent service! We know we can count on them any time.

Our Shamrock Technician was top-notch. Very professional, and he communicated with us on our options. I wouldn’t hesitate to use Shamrock Heating and Air Conditioning again!

I consider myself a pretty handy guy, but I know well enough to know not to try to mess with my furnace on my own. So when my furnace died when it was 8 degrees outside, I called Shamrock because I had heard good things about them from a co-worker. The technician came out to […]