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50+ Years
experience
Emergency
services
Trusted Critical Power & Cooling Solutions in Buffalo Grove, IL
Zonatherm Products was founded in 1969 by Albert Izzo with a vision to represent manufacturers in the Chicagoland area and provide comprehensive service for all products sold. Over 50 years, the company has grown to become the exclusive manufacturers representative for Vertiv/Liebert and Generac in the Chicago region, offering customized power and cooling solutions. With sister company ThermFlo, Zonatherm Products delivers mission-critical systems for industries including healthcare, data centers, and industrial facilities. The company emphasizes a team approach, with an average employee tenure of over 14 years, and operates under 30 core principles focused on customer service, integrity, and reliability. Zonatherms 30,000-square-foot headquarters in Buffalo Grove, Illinois, supports next-day shipping of over 75,000 parts and 24/7 emergency services.

The leadership team, including President Dave Mack and CFO Courtney Curtis, brings decades of industry expertise and community engagement. Zonatherms commitment to excellence is reflected in its rigorous standards, including a 'Greatness through Gratitude' program that rewards employees for embodying its values. The company prioritizes proactive problem-solving, safety, and continuous improvement to ensure zero downtime for clients. With a focus on long-term relationships and innovative solutions, Zonatherm Products serves diverse sectors such as education, government, and pharmaceuticals. Its dedication to customer-centric practices and technical expertise has solidified its reputation as a trusted partner in critical infrastructure.
Services
Power Solutions Cooling Systems Generator Sales Parts Supply 24/7 Emergency Services
Details
  • Year established: 1969
Highlights and features
  • We offer 50+ years of experience in critical power and cooling systems.
  • We are the exclusive Vertiv/Liebert and Generac representatives in the Chicago area.
  • We provide 24/7 emergency services and next-day shipping for 75,000+ parts.
  • Our 30 core principles ensure unmatched customer focus and operational excellence.
  • Our team has an average tenure of 14 years, ensuring deep expertise.
Services
Power Solutions
Zonatherm Products designs and implements customized power infrastructure for mission-critical applications. Our solutions ensure uninterrupted operations for industries like healthcare, data centers, and manufacturing. Backed by partnerships with Vertiv and Generac, we deliver reliable systems tailored to client needs.
Cooling Systems
Our cooling systems maintain optimal temperatures for sensitive equipment in industrial and commercial settings. With expertise in mission-critical environments, we provide scalable solutions that prevent overheating and ensure compliance with industry standards.
Generator Sales
As the exclusive Generac industrial dealer in Chicagoland, we offer standby generators and installation services. Our systems provide backup power for emergencies, ensuring business continuity during outages and natural disasters.
People
Dave Mack
President & CEO
Dave Mack leads Zonatherm Products with decades of industry experience, driving growth and innovation. He oversees strategic partnerships and ensures adherence to the companys 30 core principles focused on customer service and operational excellence.
Courtney Curtis
Chief Financial Officer
Courtney Curtis has managed Zonatherms finances since 2005, emphasizing community engagement and employee retirement goals. She administers the 90/10 Dream initiative, aiming to secure top-tier retirement savings for long-term employees.
Claus Raddatz
Chief Operating Officer
Claus Raddatz oversees daily operations, ensuring efficient delivery of power and cooling solutions. With over 150 combined years of leadership experience, he maintains Zonatherms commitment to technical excellence and customer satisfaction.
Questions
What industries does Zonatherm Products serve?
Zonatherm Products serves healthcare, data centers, industrial, government, education, and pharmaceutical sectors with mission-critical power and cooling solutions.
Do you offer emergency services?
Yes, we provide 24/7 emergency services to ensure uninterrupted operations for critical systems.
What brands do you represent?
We are the exclusive representatives for Vertiv/Liebert and Generac in the Chicagoland area.
How quickly can parts be delivered?
We offer next-day shipping for over 75,000 parts to support urgent client needs.
What sets Zonatherm Products apart from competitors?
Our 50+ years of experience, 30 core principles, and 14-year average employee tenure ensure unmatched expertise and reliability.