UNSPSC 40101711: Centrifugal liquid chiller

A type of refrigeration unit which changes the kinetic energy of refrigerant gas to pressure using the centrifugal force of an impeller rotating at high speed. It consists of a compressor, condenser and evaporator, and its refrigerating capacity is large. It isalso called a turbo refrigerator.

UNSPSC 40101711 Centrifugal liquid chiller is a Commodity code describing the procurement of centrifugal chiller units—refrigeration equipment that state and local governments buy to replace, upgrade, or maintain chilled water systems serving office buildings, courthouses, schools, hospitals, utilities facilities, and government complexes. The recent solicitation record shows strong and consistent activity across counties, cities, school districts, state universities, state departments, and regional utilities, with issuing bodies distributed across the South (Texas, Florida, Georgia), the Pacific Northwest (Oregon, California), and scattered Midwest locations. School districts and county governments are the most frequent buyers, with Pinellas County School District, Williamson County (Texas), and Volusia County (Florida) appearing multiple times; state universities (Georgia State University, Mississippi State University, Pearl River Community College) and municipal utilities (Long Beach Public Utilities Department, Gainesville Regional Utilities) round out the field. Work solicited ranges from single-unit replacements to comprehensive multi-building chiller plant upgrades with associated pumps, piping, controls, and variable frequency drives.

Recent representative opportunities include the City of St. Petersburg, Florida RFQ26292 (Building Operations and Maintenance, with a Chiller Replacement work category and three-year Continuing Services Agreement with $7 million total budget allocation, responses due August 20, 2026), the City of St. Petersburg IFB26262 (HVAC Preventative Maintenance at three municipal buildings including specific coordination with Johnson Controls, Daikin Applied Americas, Trane U.S., or ConServ Building Services for chiller maintenance on YORK centrifugal and TRANE screw chillers, responses due August 6, 2026), Orange County, Florida Y26753 (Administration Center HVAC Chiller Plant Upgrades replacing three chillers with estimated value $3 million, responses due July 30, 2026), Houston Independent School District RFP 270003 (HVAC Chiller Replacement at three school sites with site visit July 9, 2026 and proposals due July 29, 2026), Williamson County, Texas 26RFCSP23 (Justice Complex Chiller Plant Upgrades with $580,000 budget, proposals due March 27, 2026), the Texas Health and Human Services Commission HHS0017658 (Preventative Maintenance, Diagnostic Service, and Repair of Equipment including chillers at Rio Grande State Center in Harlingen with responses due July 31, 2026), and Events DC 25S33 (Removal, Supply, Installation, Inspection, Maintenance, and Repair of six Trane CenTraVac 2,000-ton centrifugal chillers at Walter E. Washington Convention Center with 35% CBE subcontractor set-aside, proposals due April 13, 2026). Activity concentrates in Florida, Texas, Georgia, and California; a long tail of procurement extends to Oregon, Mississippi, North Carolina, and Washington state. Most opportunities are structured as RFPs, RFQs, or IFBs with responses due 30 to 90 days from posting; many include mandatory pre-bid site visits and require Davis-Bacon prevailing wage compliance or local business preference certifications. Chillers specified run from 90-ton to 2,000-ton capacity, with Trane, Carrier, Daikin, and McQuay as common OEM brands; newer procurements emphasize high-efficiency models and R-513A refrigerant compliance.