Emergency or Routine HVAC for Warrenville, Illinois

Emergency service or for routine HVAC services, Shamrock Heating & Cooling cares about doing a great job for our Warrenville customers.

We specialize in residential HVAC systems. We repair and maintain ac and heating systems or respond to emergency service calls, ‘round-the-clock, every single day of the year.

Did you know that at this time of chain HVAC companies dispatched from “800” numbers, that we are still a true, family owned company with headquarters in Carol Stream? Our employees live in all of the surrounding communities.

For more than 40 years, we have had a commitment to delivering the best in AC system fitting and repair, furnace installation and repair work and a range of services including safety evaluations and routine upkeep of “indoor comfort systems” throughout Warrenville.

If you live in Warrenville, IL and need on a new HVAC system, Shamrock Heating & Cooling is your top choice. We never “push” our Warrenville customers toward a specific brand. We are free to choose the most appropriate options from numerous makes and models. As each home is unique, we review all of your choices to match the best HVAV requirements.


Schedule an appointment today with Shamrock Heating and Air Conditioning to keep your system running safely and efficiently.

Shamrock Heating & Cooling: We know Warrenville’s Weather!

Bitter winter or sweltering, humid summer, there’s an excellent reason for why most of our Warrenville, IL business comes from recommendations and repeat business: customers trust us. Our valued customers believe in us, because we take the time to learn about their furnaces and their central air conditioning from the inside-out. We are always honest and ethical. All of our technicians adhere to a strict code of honesty.

Shamrock Heating & Cooling furnishes every one of its Warrenville, IL-based HVAC pro’s with infrared video examination camera technology. The cameras enable us prevent larger problems before they ever have a chance to occur. We are one of the few companies in Illinois to have this technology. Better yet, we will give you a “television show” of your system so you can see what is going on!

Shamrock Heating & Cooling: Serving Our Customers with Pride

For more than four decades years, we have been proudly offering our HVAC services for Warrenville, IL and all of the surrounding communities. Our company is accredited by the Better Business Bureau with top, A+ ratings and we are on Angie’s List as a Superior Service Provider.

Warrenville, IL, please remember that your comfort is our business will be our only business for the decades to come. HVAC will change; our values won’t.

Addison, we are always pleased to answer your AC or furnace repair and installation questions anytime you wish. Addison’s HVAC comfort is more than just a business to us!