A Controlled Temperature Chamber (CTC) is defined as a system, unit, equipment, or room in which the environmental conditions (typically temperature, sometimes temperature and humidity) of a chamber are controlled to meet specific user requirements.

ISPE Good Practice Guides are reviewed periodically to ensure alignment with industry best practices and other ISPE guidance documents. This ISPE Good Practice Guide: Controlled Temperature Chamber - Commissioning and Qualification, Mapping and Monitoring has been updated to align with the ISPE Baseline® Guide: Volume 5 - Commissioning and Qualification (Second Edition).