HVAC Services in Naperville, IL

Gene May Heating & Cooling proudly provides trusted HVAC services for homeowners and businesses in Naperville, IL. With temperatures ranging from hot, humid summers to icy winters, reliable climate control is a must. That’s why we offer expert AC repair services, furnace repair, seasonal tune-ups, and indoor air quality services to keep you comfortable all year long.

Our licensed HVAC contractors are experienced with systems of all sizes. We work with both residential and commercial HVAC in Naperville, delivering tailored solutions that align with your building’s size, layout, and energy efficiency goals. Whether you need an urgent AC repair or a full furnace installation, we have you covered.

Reliable Installation, Repair & Maintenance

When your heating or cooling system isn't working the way it should, Gene May Heating & Cooling is here to help. We deliver prompt and dependable service across Naperville to restore comfort and peace of mind. Whether you need a system tune-up, a quick fix, or a full replacement, our technicians have the skills and tools to get the job done right.

We offer:

• Air conditioning installation and AC repair services for improved comfort and cooling efficiency
• Furnace replacement and furnace repair to keep you warm all winter
• Boiler services for homes that rely on radiant heat
• Ductless heating solutions ideal for zoned comfort or homes without ductwork
• AC replacement options to upgrade aging or inefficient systems
• Indoor air quality services to create a cleaner, healthier home
• Commercial HVAC services tailored to Naperville businesses

We work on all major makes and models and come prepared to complete most repairs on the same day. You can count on clear communication, honest pricing, and long-term solutions.

Our goal is to protect your investment through expert repair and preventative maintenance. We help extend the life of your equipment, lower energy bills, and prevent surprise breakdowns. If you're unsure about your system's condition, we’ll inspect it and recommend only what’s necessary.

Choose Gene May Heating & Cooling to keep your HVAC system running at its best—no matter the season.

No matter the job, our team delivers quality workmanship and honest pricing. We're here to support your comfort with every season.

Commercial HVAC in Naperville

If you operate a business in Naperville, a properly working HVAC system is essential to maintaining comfort for customers and employees. We specialize in commercial HVAC services, offering equipment upgrades, maintenance agreements, and responsive repair service.

From small retail shops to large office spaces, our team designs smart solutions for long-term comfort and cost efficiency. With regular checkups, we help reduce downtime and improve system performance throughout the year.

Choose Gene May for Trusted HVAC Service

As one of the leading providers of Naperville HVAC services, we take pride in delivering high-quality care backed by experience and integrity. Whether you’re scheduling heating and cooling service, installing a new system, or responding to an emergency, our team is here when you need us. We also stand behind every job with our satisfaction guarantee.

Contact us today to book an appointment or learn more about our full range of HVAC services in Naperville.