Shamrock Heating & Cooling: The Local Glen Ellyn HVAC Company that Cares

We’re based close by, in Carol Stream! You don’t need an “800” number to dispatch our technicians! Shamrock Heating & Cooling has been servicing Glen Ellyn and vicinity since all the way back in 1971. We care about Glen Ellyn, IL not just as an HVAC company, but as your friends and neighbors!

Shamrock Heating & Cooling specializes in residential HVAC systems. We repair and maintain home central air conditioning and furnaces or respond to emergency service calls, ‘round-the-clock, every day of the year.

We can handle all of your indoor comfort needs including in-line air purifiers, duct cleaning, whole home humidification, safety evaluations and routine upkeep of “comfort systems” throughout Glen Ellyn.

If you need on a new HVAC system, Shamrock Heating & Cooling is Glen Ellyn’s very top heating and cooling choice. Why? We are extremely ethical and trustworthy. We never “force” a specific brand on you. We can choose from numerous makes and models. As each residence and client is unique we rationally and carefully review all of your options to match particular requirements. We always strive to find the most affordable solution, remembering that we need to balance price against energy efficiency.


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

Shamrock Heating & Cooling: We know Glen Ellyn’s Challenges!

We’re no strangers to the Chicagoland weather! That is why we immediately respond to emergencies and make sure we always fix the problem right. There is an excellent reason why so much of our Glen Ellyn, IL business comes from references and repeat business: Our valued customers believe in us. We NEVER take your trust for granted. Did you know that Shamrock Heating & Cooling furnishes every one of its Glen Ellyn 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 can find and fix the tiniest problems before they become major mechanical failures.

Shamrock Heating & Cooling: Serving Our Customers with Pride

For decades, we have been proudly offering our HVAC services to Glen Ellyn, IL and all of the surrounding communities. Shamrock Heating & Cooling is accredited by the Better Business Bureau with an A+ rating and Angie’s List has given us a Superior Service Provider rating.

Our staff is pleased to answer your air conditioner or furnace repair and installation questions. Glen Ellyn, IL, please remember that your HVAC comfort is our business and has been our family’s practice and focus since for many years in the past and future.