NIGP 91450: Heating, Ventilating and Air Conditioning (HVAC)

NIGP 91450 Heating, Ventilating and Air Conditioning (HVAC), Item, covers the full spectrum of HVAC repair, maintenance, replacement, and installation work that state and local governments buy for their facilities—including schools, colleges, correctional facilities, government office buildings, parks, fire stations, and utilities infrastructure. Recent solicitations show school districts and community colleges dominating the issuing-body mix, with heavy participation from state agencies (California departments, Washington state), county governments, municipal facilities departments, and special-purpose districts. State and local buyers are currently soliciting chiller maintenance and rebuild services (Sacramento County's Trane centrifugal chiller overhaul; Dougherty County jail chiller rebuild), terminal unit and ductwork replacement (Georgia State University Clarkston Building terminal unit conversion; Orange County Sheriff emergency duct repair on as-needed basis), HVAC system replacements in schools and public buildings (Austin ISD Baranoff Elementary water source heat pump replacement at $2.166947 million; Greenville Public Schools Cedar Crest Elementary unit ventilator replacement; Marion County Public Schools Belleview Middle School design services for campus-wide chilled water system conversion), preventive maintenance contracts (California Highway Patrol data center and Cache Creek/Keene scales; CAL FIRE fire station maintenance across thirteen Santa Clara Unit locations), and emergency response and repair services across multiple facilities on continuing-services or as-needed bases.

Recent activity concentrates in California, Florida, Georgia, Texas, Michigan, and Washington, with a long tail of activity across Arizona, Colorado, Connecticut, Kansas, Massachusetts, and other states. Representative recent solicitations include Sacramento County's chiller overhaul IFB (2026RFB0108, due November 4, 2026) seeking Trane-certified technicians with prevailing wage and C-20 HVAC licensure; Cherokee County School District's chiller maintenance and repair RFP (CMRS-2027, due October 29, 2026) open to multiple award; City of Wichita HVAC replacement at thirteen residential sites on HUD funding (RFB 260258, due October 30, 2026) with Davis-Bacon and Section 3 employment requirements; Caltrans HVAC installation in San Diego County (IFB 32A0732, due October 29, 2026) with 3 percent DVBE participation requirement and $484,000 ceiling; City of Huntsville, Texas as-needed HVAC services IFB (Bid NO. 27-04, due October 27, 2026) requiring Class A state license and two-hour emergency response; and Orange County Sheriff HVAC duct repair IFB (IFB0603145003CF, due November 16, 2026) with five percent local small business preference and 24/7 emergency response requirement. Prevailing wage, licensing (C-20 HVAC certification), insurance minima ($1 million general liability standard), and emergency-response capability are recurring procurement gates. Small business, minority business, disabled veteran business, and local-vendor preferences appear frequently in California and Georgia solicitations.