Expert HVAC Services for the Oakbrook Area

Welcome to Superior Comfort with Hey Guy HVAC Services

At Hey Guy, we are committed to maintaining the comfort of your home or business throughout the year with our expert HVAC services. Serving Oak Brook, IL and surrounding areas, we provide high-quality installations, maintenance, and repairs for all types of HVAC systems. Whether you need a new system installed or your existing system serviced, our certified professionals are equipped to ensure optimal performance and energy efficiency.

Our HVAC Services


Choosing the right HVAC system for your home or business is crucial. We offer professional installation services for all types of HVAC systems, ensuring they are properly sized and optimized for your space for maximum efficiency and comfort.


Regular maintenance is essential to keep your HVAC system running smoothly and to prevent costly breakdowns. Our comprehensive maintenance plans are designed to prolong the life of your equipment, improve its efficiency, and ensure it operates at peak performance.


Experiencing problems with your HVAC system? Our skilled technicians are ready to diagnose and fix any issues quickly and effectively. We stock a wide range of parts to ensure swift repairs, minimizing any discomfort or downtime.


Stay ahead with the latest in HVAC technology and compliance. As the Environmental Protection Agency (EPA) moves towards more eco-friendly practices, a significant change is the requirement for all newly installed AC systems to use advanced coolants like R-454B or R-32, which are less harmful to the environment compared to the older R-22 and R-410A coolants. If your system still uses these older types, upgrading not only ensures compliance but also improves efficiency and reduces environmental impact. Let Hey Guy help you transition smoothly to these newer, safer options and enjoy a more sustainable and efficient cooling system.

AC Post-Installation Testing by Hey Guy

Comprehensive HVAC Maintenance for Peak Performance

The key to a long-lasting and efficient HVAC system lies in regular maintenance. Hey Guy offers thorough maintenance services designed to prevent unexpected breakdowns, enhance system efficiency, and improve your home’s air quality. Our wide array of services encompasses everything your system needs to operate smoothly.

Dependable Heating Services

With the unpredictability of Illinois winters, having a reliable heating system is non-negotiable. Our expert services are tailored to keep the cold at bay, including:

  • Boiler Maintenance, Repair, and Replacement
  • Furnace Maintenance, Repair, and Replacement
  • Radiant Floor Installation and Repair
  • Comprehensive Heating Solutions.

Trust Hey Guy HVAC to deliver warmth and comfort to your home in Hinsdale, Burr Ridge, La Grange, and the surrounding areas

Cooling Services for the Summer Months

Summertime comfort relies heavily on a functional AC system. Our dedicated team provides extensive cooling services to ensure you stay cool, such as:

  • AC Service, Repair, and Replacement
  • Air Handler Repair and Replacement
  • Commercial AC Services

Beat the heat with Hey Guy HVAC, your reliable cooling partner in Downers Grove, Westmont, Woodridge, and nearby communities.

Safety and Efficiency

At Hey Guy, safety and efficiency are our top priorities. We adhere to all local and national safety codes and work diligently to ensure that every installation or repair enhances the efficiency of your HVAC system, helping you reduce energy costs and environmental impact.

Why Choose Hey Guy for Your HVAC Needs?

Certified Experts

Our team of HVAC technicians are fully licensed and certified, bringing years of experience to ensure high-quality service.

Customer-Centric Service

We prioritize your comfort and satisfaction, tailoring solutions to fit your specific needs and budget.

24/7 Emergency Services

HVAC issues can arise unexpectedly. We offer round-the-clock emergency services to address your needs anytime, ensuring you’re never left in discomfort.

Affordable Pricing

We believe in fair, transparent pricing without compromising on quality. Ask about our financing options to make your HVAC solutions more affordable.

Contact Us Today!

Ready to experience the difference with Hey Guy? Contact us today at (630) 723 – 7716 or [email protected] for a free, no-obligation estimate. Whether it’s a new installation, a routine service, or an urgent repair, we are here to ensure your environment is perfectly comfortable.