STULZ is the world's leading solution provider of energy efficient temperature and humidity management technology, specifically for mission critical applications.

  • Contact

    Find your local contact in the USA and Canada

  • About STULZ

    Customer focus, entrepreneurial spirit, and technological expertise

  • Climate.Customized.

    Need for individualized requirements in modern data center

  • Product Support

    Comprehensive service solutions to maximize efficiency and reliability

STULZ USA – Air conditioning solutions you can rely on for dependable applications

Backed by over 40 years of experience, STULZ is the foremost pioneer in the field of air conditioning solutions for dependable applications and data centers. STULZ precision air conditioning equipment is developed and manufactured in the USA, to the very highest standards of quality, and in line with exceptionally stringent testing criteria.

We are specialists in our field and are equipped with a level of technical expertise in data centers that stretches far beyond simply our core business. The STULZ product range includes:

  • Traditional Room Cooling using Air Conditioners (CRAC) and Air Handlers (CRAH)
  • Outdoor Mounted Air Handlers
  • Modular / Containerized Cooling
  • Row Based Cooling
  • Ceiling Mounted Cooling
  • EC Fan Retrofit & CRAH Replacement
  • Ultrasonic Humidifiers
  • Desiccant Dehumidifiers for Industrial and Remediation Applications
  • Custom Solutions

Together with its various sizes, extensive additional options, and modularity, STULZ boasts a product range that is unique in the world and can make optimum air conditioning a reality for practically every data center project.


At home all over the world

As a company with locations across the globe, we have what it takes to provide data center operators, planners, and companies working in the highly-dynamic world of information technology (ITC and IT), with professional advice whenever they require it.

Since 1974, the group has seen continual international expansion of its air conditioning technology business, specializing in cooling data center installations. STULZ employs over 5,000 employees worldwide with seventeen subsidiaries and 6 production facilities in the USA, Germany, Italy, China, and India.


At your service in the USA

STULZ believes that every region of the world has specific mission critical cooling needs, and that only by manufacturing in the relevant market can you know precisely what your customers want.  This is why STULZ USA is proud to design, manufacture, test, deploy and support the North American market from their 218,000 sq. ft. facility in Frederick, Maryland. 



High-quality workmanship and engineering excellence – designed and manufactured in the USA.