NAICS 221330 - Steam and Air-Conditioning Supply RFPs, RFIs, RFQs, Sources Sought and Government Contracting Opportunities

Browse open Steam and Air-Conditioning Supply (NAICS 221330) RFPs, RFIs, RFQs, and Sources Sought on Bidscope. We aggregate active government contracting opportunities from federal, state, and local agencies, refreshed daily so you never miss a bid. Click any opportunity below for full solicitation details, due dates, and contacts.

About Steam and Air-Conditioning Supply (NAICS 221330)

This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.

StatusTitleBuyerDue Date
ClosedSteris Electric Steam Generator Replacement and Installation

The U.S. Department of Agriculture is seeking a Steris Power Pack electric steam generator with disconnection, removal, installation, testing, and site cleanup at the National Science Laboratories in Gastonia, North Carolina.

801 Summit Crossing Place, Gastonia, NC, USASole Source
United States of America > AGRICULTURE, DEPARTMENT OF9/8/2026
OpenAcquisition of Electric and Gas Boilers

The Centre de services scolaire des Mille-Iles is seeking to acquire ten electric and gas boilers for water heating systems.

Laurentides, QC, CanadaRequest for Proposal (RFP)
Centre de services scolaire de la Seigneurie-des-Mille-Îles9/17/2026
OpenHeating Elements Under NSN 4520-00-081-7912

The Defense Logistics Agency is seeking quotes for 19 heating elements under NSN 4520-00-081-7912, with electronic submission required.

Philadelphia, PA, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT MRO SVC I)9/14/2026
OpenIndustrial Fluid Heaters

The Defense Logistics Agency is seeking eight industrial fluid heaters, NSN 4420-01-306-6440, from approved source 36024, part number 115-2343, for delivery to DLA Distribution.

Philadelphia, PA, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [LGTNG II])9/14/2026
OpenSystems for Thermal Management

The National Science Foundation is seeking proposals for research and development of systems for thermal management under its SBIR program.

United StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
OpenElectrical Heating Element Supply

The Defense Logistics Agency is requesting a quote for 6,000 feet of electrical heating element, NSN 4520-01-216-9316, for delivery to DLA Distribution Puget Sound.

Fort Lewis, WA, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEFENSE LOGISTICS AGENCY > DLA TROOP SUPPORT (CONSTRUCTION & EQUIPMENT [LGTNG II])9/14/2026
OpenVernon Hill Elementary School Boiler Replacement

The City of Worcester is seeking a contractor to remove and replace the hot-water boiler, burner, controls, and related equipment at Vernon Hill Elementary School for an estimated $95,000.

211 Providence Street, Worcester, MA, USAInvitation for/to Bid (IFB/ITB)Minority-Owned BusinessWoman-Owned Business
City of Worcester > Purchasing Division9/9/2026
OpenCheshire Correctional Heating and Cooling Upgrades

The State of Connecticut Department of Administrative Services is seeking subcontractor bids for heating and cooling upgrades at Cheshire Correctional Facility, including a new boiler house, HVAC equipment replacement, and heating and chilled-water distribution-system replacement.

900 Highland Avenue, Cheshire Village, CT, USARequest for Proposal (RFP)Small BusinessMinority-Owned BusinessWoman-Owned BusinessDisadvantaged Business
State of Connecticut > Department of Administrative Services > Construction Services10/23/2026
OpenPackaged Heat Pump

The South Carolina Department of Juvenile Justice is requesting quotes from qualified contractors for a packaged heat pump.

South Carolina Department of Juvenile Justice, Columbia, SC, USARequest for Quote/Qualifications (RFQ)
South Carolina > Department of Juvenile Justice9/11/2026
ClosedRuffneck XP Steam Heaters

The U.S. Army is seeking Ruffneck XP steam heaters for delivery to the McAlester Army Ammunition Plant in Oklahoma.

McAlester, Mcalester, OK, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W6QM MICC-FT DRUM (MICC FORT DRUM)9/8/2026
OpenSteam and Heating System Services

The Public Health Agency of Canada is seeking a contractor to provide inspection, repair, and testing services for steam-generating and heating systems at two facilities in Winnipeg, Manitoba.

1015 Arlington Street, Winnipeg, MB, CanadaRequest for Proposal (RFP)
Public Health Agency of Canada9/17/2026
OpenRoosevelt High School Boiler #3 Burner Replacement

Chicago Public Schools is seeking a contractor from its pre-qualified trades pool to replace Boiler #3's burner at Roosevelt High School.

Roosevelt, Central, Chicago, IL, USAInvitation for/to Bid (IFB/ITB)
Chicago Public Schools9/8/2026
OpenWebasto Heater Kits for 29-Foot Response Boats

The U.S. Coast Guard is seeking 100 Webasto heater kits, part number 5013923C, for 29-foot Response Boats—Small, with quotes due September 9, 2026.

2401 Hawkins Point Road, Baltimore, MD, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 3(00040)9/9/2026
OpenFlat Plate Heat Exchanger and Fan Box Rebuild

The Federal Emergency Management Agency is seeking a contractor to install a flat plate heat exchanger and replace or rebuild approximately 25 fan-powered HVAC boxes at its Federal Regional Center and Vehicle Storage Administration Building 1 in Denton, Texas.

800 North Loop 288, Denton, TX, USARequest for Proposal (RFP)Woman-Owned Business
United States of America > HOMELAND SECURITY, DEPARTMENT OF > FEDERAL EMERGENCY MANAGEMENT AGENCY > REGION 69/16/2026
OpenPackaged Rooftop Unit with Electric Heat for Greenwood High School

Greenwood High School is seeking one Trane Precedent 17.5-ton packaged rooftop unit with electric heat and modulating hot gas reheat, as specified in the attached spec sheet.

Greenwood Hills Wesleyan Church, High Point, NC, USARequest for Proposal (RFP)
Greenwood High School-
OpenSteam-to-Hydronic Conversion Project

Pacific Northwest National Laboratory is seeking a construction contractor to convert steam systems to hydronic systems at its Physical Sciences Laboratory, Auditorium, and Life Sciences Laboratory 2 in Richland, Washington.

Richland, WA, USARequest for Proposal (RFP)
United States of America > ENERGY, DEPARTMENT OF > Pacific Northwest National Laboratory10/5/2026
OpenHeat Exchanger Replacement at Brown VA Medical Center

The Department of Veterans Affairs is seeking a contractor to remove and replace heat exchangers at the Brown VA Medical Center in Chicago, IL, including piping, steam traps, valves, and insulation.

820 South Damen Avenue, West Side, Chicago, IL, USARequest for Proposal (RFP)Service-Disabled Veteran-Owned Business
United States of America > VETERANS AFFAIRS, DEPARTMENT OF > 252-NETWORK CONTRACT OFFICE 12 (36C252)9/21/2026
OpenBelton Elementary School HVAC Replacement

Anderson School District Two is seeking a contractor to replace HVAC systems at Belton Elementary School, including removal and installation of vertical heat pump units and associated controls.

Belton Elementary School, Belton, SC, USARequest for Proposal (RFP)
Anderson School District Two-
OpenPort Moody Secondary School Packaged Heat Pump Replacement

The Board of Education of School District No. 43 (Coquitlam) intends to contract with Engineered Air for a replacement packaged heat pump serving Port Moody Secondary School, with objections due by September 14, 2026.

Port Moody, BC, CanadaSole Source
School District No. 43 (Coquitlam)9/14/2026
OpenGreen House Homes Steam Utility Construction

The Department of Veterans Affairs is seeking a certified SDVOSB contractor for a $500,000-to-$1,000,000 steam utility construction project at Captain James A. Lovell Federal Health Care Center, including steam distribution, heat exchangers, humidifiers, piping, demolition, and related electrical and civil work for four Green House Homes.

3001 Green Bay Road, North Chicago, IL, USAInvitation for/to Bid (IFB/ITB)Service-Disabled Veteran-Owned Business
United States of America > VETERANS AFFAIRS, DEPARTMENT OF > 252-NETWORK CONTRACT OFFICE 12 (36C252)9/23/2026
OpenHope Cemetery Building and DPRC HVAC Upgrades

The City of Worcester is seeking bids for HVAC upgrades at the Hope Cemetery Building and DPRC under Bid #8797-W7.

Hope Cemetery, Worcester, MA, USAInvitation for/to Bid (IFB/ITB)
City of Worcester > Purchasing Division9/16/2026
OpenHigh-Efficiency Domestic Hot Water System Replacement

Windsor Essex Community Housing Corporation is seeking a contractor to supply and install a high-efficiency domestic hot water system replacing end-of-life boilers and an indirect tank at 255 Riverside Avenue in Windsor, Ontario.

255 Riverside Drive East, Windsor, ON, CanadaRequest for Proposal (RFP)
Windsor Essex Community Housing Corporation9/24/2026
OpenGround Source Heat Pump Design, Installation, and Startup

The City of Three Forks, Montana is requesting bids for the design, installation, and startup of a ground source heat pump system.

Montana, USAInvitation for/to Bid (IFB/ITB)
Three Forks-
ClosedPatient Warming Systems

The Defense Health Agency is requesting 12 3M Bair Hugger Model 67505, 240V-EU-F2 patient warming systems for delivery to Landstuhl Regional Medical Center under Women-Owned Small Business RFQ HT940626QE097.

Landstuhl Regional Medical Center, Landstuhl, RP, GermanyRequest for Quote/Qualifications (RFQ)Woman-Owned Business
United States of America > DEPT OF DEFENSE > DEFENSE HEALTH AGENCY (DHA) > DEFENSE HEALTH AGENCY (HCD SOUTHEAST)9/8/2026
OpenMaterials and Devices for Thermal Management

The National Science Foundation is seeking proposals for research and development of materials and devices for thermal management under its SBIR program.

United StatesRequest for Proposal (RFP)
United States of America > NATIONAL SCIENCE FOUNDATION7/7/2027
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What is NAICS code 221330 (Steam and Air-Conditioning Supply)?+

This industry comprises establishments primarily engaged in providing steam, heated air, or cooled air. The steam distribution may be through mains.

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