The ultimate space saver, providing precision data center temperature and humidity control

STULZ CeilAiR is the most complete line of ceiling mounted data center cooling products in the industry providing precision temperature and humidity control while freeing white space.


  • Data centers where floor space is a premium



  • DX systems with independently circuited, high efficiency, high reliability, and low noise scroll compressors

  • Wide range of options with DX or CW for precision cooling

  • High static blowers are available for ducted systems

  • Condensate pumps can be factory or field installed (in some models)

  • Made in the USA


  • High efficiency EC Fans available as an option in certain units

  • Fully accessible in-place through easily removable side access panels

  • Smaller capacity units easily mounted in a standard 2' x 4' grid of a dropped ceiling plenum

  • Spot cooler and ducted configuration

  • Available with same-face / one-sided / L-shaped air pattern

  • Available with low profile for limited installation height

  • Small capacity with precision cooling characteristics


  • Aluminum cabinet construction for no corrosion / low weight

  • Thermal insulation provided


  • Water-side economizer with free cooling or alternate water source

Chilled Water (CW)

  • Proporational controls

  • 2-way or 3-way water / glycol control valves

  • High pressure chilled water valves

Direct Expansion (DX)

  • Heat rejection: air cooled self-contained, air cooled split, or water/glycol cooled

  • Refrigerant R-407c or 410a

  • Single and dual stage refrigerant circuits with enterlaced coils


  • Integral steam canister humidifier with various capacities and proportional control option


  • Hot gas reheat - provides reheat using recycled compressor heat

  • Hot water and low pressure steam - using an external heating medium

  • Electric reheat - single-stage low watt density, electric resistance heaters


STULZ E2 Controls and Monitoring

Variety of controls from electromechanical to state-of-the-art E2 Microprocessor, allowing seamless integration with all BMS platforms



  • STULZ Product Overview Brochure

    • File: STULZ_Product_Overview_Brochure.pdf

    • Type: Adobe PDF

    • Size: 2,61 MB

    • Language: English (US)

    • Date: 2019-04-29

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