NIGP 031: Air Conditioning, Heating, and Ventilating Equipment, Parts and Accessories
Class
Code facts
NIGP codes come from the NIGP Code (NIGP: The Institute for Public Procurement, maintained by Periscope Holdings), and state and local contract opportunities from the governments' procurement sites.
State & local contract opportunities
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Latest 50 of 4,513 listed here. See the rest on GovTribe.
Opportunities by state
| Rank | State | Open now | Posted, last 90 days |
|---|---|---|---|
| 1 | Texas | 13 | 64 |
| 2 | Florida | 0 | 43 |
| 3 | Georgia | 16 | 25 |
| 4 | California | 10 | 20 |
| 5 | Michigan | 1 | 13 |
| 6 | Massachusetts | 3 | 11 |
| 7 | Pennsylvania | 1 | 7 |
| 8 | Connecticut | 0 | 4 |
| 9 | Maryland | 3 | 3 |
| 10 | Illinois | 0 | 3 |
| 11 | Colorado | 1 | 2 |
| 12 | Mississippi | 1 | 2 |
| 13 | New Jersey | 0 | 2 |
| 14 | North Carolina | 0 | 2 |
| 15 | South Dakota | 0 | 2 |
| 16 | Utah | 0 | 2 |
| 17 | Ohio | 1 | 1 |
| 18 | Arizona | 0 | 1 |
| 19 | Kentucky | 0 | 1 |
| 20 | Oregon | 0 | 1 |
| 21 | Virginia | 0 | 1 |
Show all 21
Codes under 031
Show all 74
UNSPSC codes for 031
About NIGP 031
NIGP 031 Air Conditioning, Heating, and Ventilating Equipment, Parts and Accessories is a Class code under which state and local governments currently procure replacement HVAC units and system components, on-call maintenance and repair services, chiller and boiler upgrades, building automation system controls, air filters, and related ductwork and accessories for municipal facilities, schools, transit authorities, correctional institutions, and utility operations. The issuing bodies span county governments, municipal departments, independent school districts, transit authorities, and special-purpose districts. Representative recent solicitations include the Town of Rockport, Massachusetts requesting on-call HVAC maintenance under IFB with bids due November 5, 2026; Santa Clara County Procurement Department requesting chiller inspection, preventative maintenance, repairs, and replacement services under ITB with bids due November 16, 2026 and an estimated contract sum of $5.6 million; and Orange County, Florida requesting building automation system replacement and smoke/fire alarm air duct accessories at the Corrections Booking and Release Center with bids due October 20, 2026 and estimated cost of $2.89 million. Activity also includes equipment-specific procurements such as Dallas Area Rapid Transit requesting Bard brand HVAC wall pack units for wayside installation and Lawrence County, Pennsylvania requesting replacement of three existing 5-ton Bard units with bids due October 4, 2026.
Geographic activity concentrates in Massachusetts, Florida, California, Pennsylvania, and Texas with secondary activity across Michigan, Colorado, Maryland, Utah, and the broader South and Midwest. Educational facilities dominate a significant share of solicitations, with independent school districts and county school boards pursuing HVAC system replacements and building automation upgrades in tandem with capital facility improvements. Public works and facility management departments issue the majority of procurements, followed by transit authorities, county facilities management, and municipal utilities. Recent opportunities reflect elevated demand for chiller and boiler plant replacements, building controls modernization, and filter supply agreements on multi-year frameworks. Cooperative purchasing vehicles including TIPS USA and statewide job order contracts appear in the activity stream. Prevailing wage requirements are standard on state-funded and federally-funded projects; Davis-Bacon compliance and buy-local preferences surface regularly in school district and county procurements. Contract values on equipment-intensive solicitations (chiller replacement, BAS upgrades) typically range from $600,000 to $5.6 million, while on-call maintenance and filter supply agreements remain open-ended with usage-based or unit-pricing structures.
Quick answers
What is NIGP 031?
NIGP 031 is Air Conditioning, Heating, and Ventilating Equipment, Parts and Accessories, a class in NIGP 28, The Trades: Electrical, Engineering, HVAC, Plumbing, and Welding.
What codes are under NIGP 031?
NIGP 031 has 74 codes under it with their own GovTribe pages, including 03102 Air Conditioning Units, Portable (for Computer Rooms, Hospital Rooms, Sporting Events, etc.); 03103 Air Conditioners: Commercial, and Parts and Accessories Not Individually Itemized; and 03104 Air Conditioners: Controlled Environment (for Computer Rooms, etc.), and Parts and Accessories Not Individually Itemized.
Which states post the most state and local bids under NIGP 031?
The states with the most state and local contract opportunities under NIGP 031 posted in the last 90 days are Texas (64), Florida (43) and Georgia (25).
Which UNSPSC codes match NIGP 031?
NIGP 031 maps to 2 UNSPSC codes, 40000000 Distribution and Conditioning Systems and Equipment and Components and 40100000 Heating and ventilation and air circulation.
What is the latest state & local contract opportunity under NIGP 031?
The latest state & local contract opportunity under NIGP 031 is Cooling Tower Maintenance Services from California, posted October 19, 2026.
On GovTribe
See everything under NIGP 031
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