Naperville’s Comfort Shamrock’s Most Important Business

Emergency or routine service, winter or summer, it is all about Naperville’s comfort. Shamrock Heating & Cooling has a philosophy based on a focused goal: the comfort of you, your loved ones and your home.

We specialize in all aspects of residential HVAC system installation and repairs. Shamrock Heating & Cooling routinely repairs and maintains central air conditioners and furnaces. Call or contact us for an appointment or we will immediately respond to emergency service calls from Naperville homeowners, 24 hours a day, 365 days of the year.

Since 1971, we have delivered Naperville’s best in AC and furnace services including duct work cleaning, in-line humidification and purification and routine maintenance.

For HVAC installation, Shamrock Heating & Cooling is your most logical choice. We do not believe in trying to sell our customers a specific brand or model. Forcing a particular brand on a homeowner is being unethical. It is not about us, but about your home. As each home is distinctive we take the time to go over all of your options and to reach the best solution for your particular needs.


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

Shamrock Heating & Cooling Knows Naperville’s HVAC Challenges!

There is an excellent reason why nearly all of our Naperville business comes from referrals: we really care about our Naperville customers.

Shamrock Heating & Cooling equips every one of its Naperville-based HVAC professionals with unique infrared video inspection camera technology. Very few companies in Illinois use this equipment, let alone in Naperville. We spot many small problems that the old-fashioned “flashlight method” just can’t illuminate. This technology is typical of our customer service. We can show you, in real time what the problem may be.

Shamrock Heating & Cooling: Proudly Serving Naperville, IL

Our Shamrock Heating & Cooling family is proud of its HVAC services to families in Naperville, IL and to all of the surrounding communities. We are a long-standing member of the Better Business Bureau with an A+ rating and we have great ratings on Angie’s List for being a “Superior Service” provider.

We are customer service driven and we’re pleased to answer your HVAC questions. Naperville, remember that your comfort is our main business. Call us for the very best in heating and cooling.