From mechanical equipment analysis and standard energy retrofits to the installation of complex and integrated open protocol control systems, Havel promises state-of-the-art expertise and customer-centered service. Learn more.

Case Studies

We provide complete expert services that support your business instead of draining your bottom-line. View some examples of our work.

OTC Parts

Downtime isn't an option for your mission - critical systems. Call Havel for fast HVAC, control parts and variable frequency drives. Learn more.

Meet Our Leader

JJim Witzenman helps oversee Havel’s operations to ensure that your mechanical systems and HVAC controls run smoothly.Jim Witzenman, LEED® AP and Senior Vice President/Division Manager of Havel, is just one of the many people that deliver high-performance facilities projects that meet our clients most exacting standards.