Find HVAC & Mechanical RFPs in Illinois

43 active opportunities· Updated daily

15+ agencies4 set-aside8 with posted budget

Active hvac & mechanical opportunities in Illinois right now come from agencies including DOC - Corrections, Arlington Heights village and DuPage Airport Authority, among others. The nearest deadline is July 16, 2026. New solicitations are added daily — sign up to get the ones matched to your business scored and delivered automatically.

TitleAgencyDue DateSet-AsideEst. Value
2026 Centennial Ice Arena HVAC Replacement for Multi-Purpose Training SpacePark District of Highland Park2026-07-16$500K
1600AMP BREAKER REPLACEMENT: SP w/ ECDOC - Corrections2026-07-16
HVAC Services for Repairs and MaintenanceDOC - Corrections2026-07-17
Request for Proposal Garage 3 Air Conditioning ProjectArlington Heights village2026-07-20
Request for Proposal Village Hall Chiller Replacement ProjectArlington Heights village2026-07-20
400 Russel Court New Fire Alarm SystemMcHenry County2026-07-21
Greater Rockford Airport Authority HVAC ServicesIllinois BidNet Purchasing Group2026-07-22
PM Testing & Repair of Non-Edwards 26-040-FMDuPage County - Procurement Services2026-07-23$500K
HVAC Lifecycle Replacement with Installation and Disposal ServicesU.S. Department Of Defense2026-07-24SDVOSB$500K
LGC 25-3-14 Weld Ventilation B2DEPT OF DEFENSE2026-07-24SBA
2026-0701: On-Call Electrical Repair ServiceDuPage Airport Authority2026-07-27$200K
Gregory Street LightingVillage of Mount Prospect2026-07-27$500K
2026-0704 HVAC Repair ServicesDuPage Airport Authority2026-07-28$200K
Invitation for Construction Bid: Replace Heat Exchangers - SELWUniversity of Illinois at Chicago2026-07-28
EMERGENCY NOTICE - Chiller RentalDOC - Corrections2026-07-31
Traffic Signal and Street Lighting Electrical ServicesCity of Rockford2026-08-03LOCAL$2.0M
Z1DA--556-24-113 Oil Transformer and Switch Enclosure UpgradesVISN 12: Great Lakes Health Care System2026-08-04SDVOSBC$5.0M
Chiller Replacement - Suburban North Regional Office Facility - Des Plaines, Co…State of Illinois Capital Development Board2026-08-04
Replace Roofing Systems, Remove Boiler and Minor Mechanical Work - Statewide Pr…State of Illinois Capital Development Board2026-08-04
Replace Roofing System, Remove Boiler and Minor Mechanical Work (630-000-308)Illinois Capital Development Board2026-08-04

Showing 20 of 43 results.

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Tips for Winning HVAC & Mechanical Contracts in Illinois

  • EPA Section 608 technician certification is mandatory for anyone handling refrigerants on government HVAC equipment. Ensure all technicians have current Universal, Type I, II, or III certification as appropriate.
  • GSA Schedule 03FAC (Facilities Maintenance and Management) is the primary contract vehicle for federal HVAC services. Energy Savings Performance Contracts (ESPCs) through DOE are another major vehicle for HVAC modernization in federal buildings.
  • Davis-Bacon prevailing wage requirements apply to federally funded HVAC construction and installation over $2,000. Factor these wage rates into bids — they significantly affect labor costs and vary by locality.

HVAC & Mechanical RFP FAQ

What certifications are required for government HVAC contracts?

EPA Section 608 certification is mandatory for refrigerant handling. NATE (North American Technician Excellence) certification is increasingly preferred. State mechanical/HVAC contractor licenses are required in most jurisdictions. For federal work, bonding (per the Miller Act for contracts over $150,000) and appropriate insurance are required. Security clearances may be needed for DOD installations.

What is an Energy Savings Performance Contract (ESPC)?

ESPCs allow federal agencies to procure energy-saving improvements (including HVAC modernization) with no upfront capital cost. An energy service company (ESCO) designs, installs, and finances improvements, then guarantees energy savings that pay for the project over the contract term (up to 25 years). DOE manages the federal ESPC program with pre-qualified ESCOs.

How do prevailing wage requirements affect HVAC bids?

The Davis-Bacon Act requires prevailing wages on federally funded construction contracts over $2,000. HVAC installation falls under construction wage classifications. Wage rates vary by county and trade classification — check the Department of Labor's Wage Determinations at sam.gov before bidding. State prevailing wage laws may also apply to state-funded projects.

What bonding requirements apply to government HVAC contracts?

The Miller Act requires performance and payment bonds on federal construction contracts over $150,000. HVAC installation projects typically trigger Miller Act requirements. Many state and local governments have similar bonding requirements (Little Miller Acts). Bonding capacity is a key factor in winning larger HVAC contracts — build bonding relationships early.

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