STULZ is a global provider of innovative data center cooling solutions and services.

While some products are merely assembled in America, STULZ Air Technology Systems, Inc., the North-American division of STULZ, is proud to always research, design, manufacture, test and support our advanced cooling technologies in our Frederick, MD facility. STULZ products meet the requirements of the Buy America Act. STULZ Air Technology Systems is a member of the global STULZ family, with two major divisions, seven production plants, and hundreds of sales and service partners around the world.  Wherever you are, STULZ is globally close to you. STULZ is the technology leader, providing cooling solutions and services for mission critical applications.  This is accomplished through the design and manufacture of highly energy efficient temperature and humidity control equipment for commercial and industrial applications. Energy Efficiency is at the core of every STULZ Product – including our HQ/Factory’s 950 kW solar array. STULZ products are available in a variety of configurations and options based on our factory designed and tested components and modules. We can also provide a custom touch to adapt our products to meet your specific needs. With more than 20 years of expertise in controls, economizers, and mission critical solutions, STULZ offers the largest portfolio to fill any and all precision cooling needs.  As part of our committment to quality, STULZ Air Technology Systems is ISO-9001 Quality Registered.

STULZ Product Lines We Offer:

Mission Critical Precision Cooling

  • CeilAir DX & Chilled Water Ducted or Spot Cool Ceiling AC Units
  • CyberRow DX & Chilled Water in-row AC Systems
  • CyberTwo DX medium to large floor standing AC Systems
  • CyberOne DX small to medium floor standing AC systems
  • Mini-Space DX & Chilled Water small to medium floor standing AC Systems
  • Flair DX & Chilled Water Wall Console Systems – small to medium capacity
  • Compact Chilled Water medium to large floor standing AC systems
  • CyberHandler Outdoor Precision AHU’s – medium to large systems
  • BMS Com. Interface


 Precision Humidification

  • Ultrasonic In-room Wall Mounted or Duct or AHU Mounted
  • Small to Large Capacities (4 to 100’s of lbs./hr.)
  • Proportional or On/Off Control
  • Water Treatment Supply Systems
  • BMS Com. Interface