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HVAC Government Contracts in Illinois

Statewide ranked opportunities and likely upcoming recompetes for facilities contractors across Illinois.

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Illinois has 50 open hvac contract opportunities as of 2026-02-28, with 3 likely recompetes identified. Top markets include Unknown, Scott Air Force Base, Batavia.

50

Open Opportunities

3

Likely Recompetes

Department of Veterans Affairs

Top Agency

Unknown

Top City

Top Opportunities This Week

ScoreTitleCityAgencyDue DateSet-Aside
79REPLACE GAS BOOSTERSChicagoJUSTICE, DEPARTMENT OF.FEDERAL PRISON SYSTEM / BUREAU OF PRISONS.MCC CHICAGOMar 2, 2026SBA
79REPAIR GLYCOL LOOP EXCHANGERChicagoJUSTICE, DEPARTMENT OF.FEDERAL PRISON SYSTEM / BUREAU OF PRISONS.MCC CHICAGOMar 2, 2026SBA
76Z1DA--550-24-102 Replace AHU B102 (CON)DanvilleVETERANS AFFAIRS, DEPARTMENT OF.VETERANS AFFAIRS, DEPARTMENT OF.252-NETWORK CONTRACT OFFICE 12 (36C252)Mar 11, 2026SDVOSBC
72Z1DA--578-26-006 - Repair Steam and Condensate Risers Building 1 - Phase 2 (CON)HinesVETERANS AFFAIRS, DEPARTMENT OF.VETERANS AFFAIRS, DEPARTMENT OF.252-NETWORK CONTRACT OFFICE 12 (36C252)Mar 19, 2026SDVOSBC
68578-25-013 Joliet VFD ReplacementJolietVETERANS AFFAIRS, DEPARTMENT OF.VETERANS AFFAIRS, DEPARTMENT OF.252-NETWORK CONTRACT OFFICE 12 (36C252)—SDVOSBC
66578-25-013 Joliet VFD ReplacementHinesVETERANS AFFAIRS, DEPARTMENT OF.VETERANS AFFAIRS, DEPARTMENT OF.252-NETWORK CONTRACT OFFICE 12 (36C252)—SDVOSBC
66183 CES Vehicle Exhaust Ventilation System B19SpringfieldDEPT OF DEFENSE.DEPT OF THE ARMY.NATIONAL GUARD BUREAU.JFHQ USPFO IL.USPFO IL PROCUREMENT.W7M6 USPFO ACTIVITY ILANG 183—SBA
66Y1DA--Surgical HVAC Systems Replacement 556-23-127North ChicagoVETERANS AFFAIRS, DEPARTMENT OF.VETERANS AFFAIRS, DEPARTMENT OF.252-NETWORK CONTRACT OFFICE 12 (36C252)—SDVOSBC
65578-25-013 Joliet VFD ReplacementJolietVETERANS AFFAIRS, DEPARTMENT OF.VETERANS AFFAIRS, DEPARTMENT OF.252-NETWORK CONTRACT OFFICE 12 (36C252)Sep 25, 2025SDVOSBC
65FCI Marion - Repair CoolerMarionJUSTICE, DEPARTMENT OF.FEDERAL PRISON SYSTEM / BUREAU OF PRISONS.FAOOct 7, 2025SBA

Recompetes

ScoreCityAgencyIncumbentEst. WindowTakeover Signal
88—Department of Veterans AffairsCITADEL FEDERAL SOLUTIONS LLCDec 31, 2025 – Apr 30, 2026high
86—USTRANSCOM—Dec 31, 2025 – Apr 30, 2026high
86—Department of the Air Force—Dec 31, 2025 – Apr 30, 2026high

Across Illinois, hvac opportunities span federal agencies with facilities in major metropolitan areas. There are currently 50 active opportunities. Top cities include Unknown, Scott Air Force Base, Batavia.

Data updated:

Top Buying Agencies

AgencyAwardsEst. Spend
Department of Veterans Affairs51$63.3M
Department of the Navy49$58.3M
Department of the Army21$51.9M
Public Buildings Service5$6.1M
Railroad Retirement Board4$995K

Top Incumbent Vendors

VendorAwards
ONEILL CONTRACTORS INC16
DIVERSE SOLUTIONS GROUP INC.12
SOUTH TOWN REFRIGERATION, LLC10
DAHME MECHANICAL INDUSTRIES INC5
GPM INC5

Top Cities in Illinois

CityOpportunities
Unknown8
Scott Air Force Base8
Batavia6
Rock Island5
Pekin5
Marion4
Springfield4
Chicago2
North Chicago2
Hines2

How We Rank These

We score each opportunity on a 0–100 scale using six transparent factors: service fit, contract value, timing urgency, geographic relevance, competition level, and agency buying appetite. Data sourced from SAM.gov and USAspending.gov, refreshed daily.

Read full methodology

Explore Other States

TexasCaliforniaVirginiaFloridaGeorgiaMarylandNew YorkPennsylvaniaNorth CarolinaOhioDistrict of Columbia

Other Services in Illinois

JanitorialFacilities SupportLandscapingSecurity GuardsElectricalBuilding ServicesWaste CollectionRemediationPaintingEnv. ConsultingEngineeringSecurity SystemsSpecialty TradesWaste TreatmentTech Consulting

Frequently Asked Questions

How many hvac contracts are there in Illinois?

Illinois has 50 active federal hvac opportunities right now. RecompeteIQ tracks and ranks all opportunities daily from SAM.gov.

What are the top cities for hvac contracts in Illinois?

Unknown, Scott Air Force Base, Batavia are the top markets based on opportunity count.

Who are the top hvac contractors in Illinois?

The leading incumbent vendors include ONEILL CONTRACTORS INC, DIVERSE SOLUTIONS GROUP INC., SOUTH TOWN REFRIGERATION, LLC. See the Incumbent Vendors table for full rankings.

When do hvac contracts come up for rebid in Illinois?

Most hvac contracts follow 30–48 month cycles. The "Recompetes" section shows contracts estimated to be recompeted within the next 12 months based on historical award patterns.

How can I get notified about new opportunities?

Sign up for the weekly Opportunity Radar to receive a ranked shortlist of the top opportunities across Illinois.

Cite this page

APA

RecompeteIQ. (2026). HVAC Government Contracts in Illinois. Retrieved 2026-02-28, from https://recompeteiq.com/state/il/hvac-contractors

Chicago

RecompeteIQ. "HVAC Government Contracts in Illinois." Accessed 2026-02-28. https://recompeteiq.com/state/il/hvac-contractors.

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