
CRAH Unit, Computer Room Air Handler | Trane Commercial HVAC
A Computer Room Air Handler (CRAH) is a cooling unit used to regulate the temperature and ensure optimal operating conditions for IT equipment. CRAH units are essential for cooling …
What is CRAC? CRAC vs. CRAH Unit Differences - TechTarget
Jun 10, 2025 · Computer room air handler (CRAH) units are another data center cooling device. The main difference between CRAH and CRAC units is how they cool their surrounding …
CRAC vs CRAH | Best Cooling for Hyperscale Data Centers
CRAH units use chilled water supplied by a centralized cooling plant to condition the air. Instead of refrigerant, they rely on water-to-air heat exchangers and fans to move large volumes of air …
What Is The Difference Between CRAC & CRAH Units? DataSpan
Dec 10, 2021 · The main difference between CRAC and CRAH cooling units is that CRAC units use refrigerants and compressors, whereas CRAH units use chilled water and control valves.
CRAH Units - Koch Applied
Computer room air handlers (CRAH) units are specialized cooling systems designed for data centers and other mission-critical environments where maintaining optimal temperatures is …
CRAH (Cold Wall AHU) – Data Center Cooling | Johnson Controls
Johnson Controls HVAC Equipment Air Handling Units CRAH (Cold Wall AHU) – Data Center Cooling
CRAC Unit Vs CRAH Unit | What's The Difference ...
Aug 13, 2023 · A CRAC Unit transfers the heat from the system and ejects by only using the Refrigerant Cycle, whereas a CRAH Unit utilizes Chilled Water, the Refrigerant Cycle, and …
Chilled Water Computer Room Air Handler | CRAH - Nortek Data …
Designed for high-density load areas, the Nortek Computer Air Handler (CRAH) delivers high cooling capacity in a compact footprint. Utilizing industry-leading fan technology and robust …
The Importance of CRAHs and Cooling in Data Centers - ATI Solutions, Inc.
A computer room air handler (CRAH) differs from a CRAC unit because the air is cooled over a cooling coil filled with chilled water instead of using mechanical refrigeration.
computer room air handler (CRAH) - TechTarget
Feb 17, 2022 · A computer room air handler, or CRAH, is a key part of an energy-efficient data center. Learn how they work and differ from an air conditioning unit.