NIGP 03193: Unit Heaters, Gas-Fired (Radiant and Infrared, Portable and Stationary)

NIGP 03193 Unit Heaters, Gas-Fired (Radiant And Infrared, Portable And Stationary) is an Item code under which state and local governments procure maintenance, repair, and optimization services for boiler and chiller systems installed at public facilities. Recent solicitations show purchasing bodies requesting preventative maintenance contracts, repair services, and equipment upgrades for existing heating and cooling infrastructure, often with requirements for certified technicians and manufacturer-specific expertise. The issuing bodies include transit authorities, water authorities, and municipal departments managing HVAC systems across campus-like or distributed facility networks. Work typically involves coordination with multiple trades—mechanical, HVAC, controls, and electrical—and requires demonstrated experience servicing equipment from major manufacturers such as Trane, Carrier, Lochinvar, and others.

The most recent activity appears concentrated in the Southeast and Midwest. The City of Charlotte issued an RFP (Solicitation 26920271769) due October 15, 2026, for preventative maintenance and repair services on boiler and chiller systems at CATS transit facilities in Charlotte and Mecklenburg County, requiring certified technicians with access to proprietary parts. The Great Lakes Water Authority solicited proposals for a 2027 Job Order Contract (REQ0009487) due August 27, 2026, to manage multiple concurrent water and wastewater projects across Wayne County, Michigan, with explicit requirements for five years of experience coordinating diverse subcontractor disciplines including HVAC and mechanical trades on utility infrastructure projects.