The National Institute of Standards and Technology (NIST) in Boulder, Colorado, is seeking sources capable of providing SMC HRSF024-AN-20 thermo-chiller units or equivalents for its Boulder Micro-Fabrication Facility (BMF). These units must be drop-in compatible with existing SMC HRSF024-AN-20 units, including all hardware, software, electrical, and plumbing connections, and repairable with current spare parts. Key specifications include a cooling capacity of 2400 W, temperature range of 5 to 40°C, and a 1-year factory warranty. Performance of services will be at NIST’s Boulder location. No budget amount or submission timeline is specified in this sources sought notice.