UNSPSC 40101715: Constant temperature and humidity chamber

A type of refrigeration unit which not only maintains constant internal temperature and humidity irrespective of external condition, but also circulates, filters and ventilates. It is mainly used in a computing room or a laboratory.

UNSPSC 40101715 Constant temperature and humidity chamber (Commodity) describes environmental test and control equipment that state and local governments procure for specialized research, verification, and mission-assurance applications. Recent activity under this code shows state agencies sourcing ECLSS (Environmental Control & Life Support System) testing capabilities and environmental verification infrastructure to support human spaceflight and transportation missions. The issuing bodies are primarily state agencies with specialized technical missions — the Texas Space Commission and state departments of transportation — rather than the broader municipal or school-district base typical of many commodity codes.

The Texas Space Commission posted an RFI (RFI35826003, due September 11, 2026) seeking information on existing and planned ECLSS testing facilities, upgrade concepts, and distributed test networks across Texas to support emergent human spaceflight missions; respondents must demonstrate prior NASA environmental verification experience and direct technical responsibility for test infrastructure. The South Dakota Department of Transportation's July 2026 RFP (26RFP19846) for NEPA compliance consulting services, though nominally tagged to this code, shows no direct connection to environmental chambers or climate-control equipment and appears to be a classification mismatch. Geographic activity is concentrated in Texas and South Dakota, with no evidence of broader state or local procurement under this code in the recent opportunities block. The code appears to see narrow, mission-specific procurement activity rather than broad-based state and local purchasing.