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
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
OpenSpirax Sarco Steam Traps and Components

The United States Coast Guard is seeking firm-fixed-price supply and delivery of specified Spirax Sarco steam traps and related components for USCGC Healy in Seattle, Washington.

1519 Alaskan Way South, Seattle, WA, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > SFLC PROCUREMENT BRANCH 2(00085)9/16/2026
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
OpenPortable Multi-Fuel Radiant Heater

The U.S. Army is seeking a Heat Star HSP150R portable, multi-fuel radiant heater with 150,000 BTU output for delivery to Joint Base Lewis-McChord, Washington.

2007 North 2nd Street, Tacoma, WA, USARequest for Proposal (RFP)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W6QM MICC-FT DRUM (MICC FORT DRUM)9/15/2026
OpenLochinvar Crest Condensing Boilers

The United States Air Force is seeking quotations from small businesses for two Lochinvar Crest condensing boilers, including one optional unit, for delivery to McConnell Air Force Base.

McConnell AFB, KS, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE ARMY > W7M9 USPFO ACTIVITY KSANG 184 (USPFO KS PROCUREMENT)9/22/2026
OpenWestside Classroom Building Boiler Replacement

Western Connecticut State University is seeking sealed bids for labor and materials to replace an existing boiler and associated mechanical, electrical, controls, and piping systems at its Westside Classroom Building.

Western Connecticut State University Westside Campus, Danbury, CT, USAInvitation for/to Bid (IFB/ITB)Small BusinessMinority-Owned Business
Western Connecticut State University10/13/2026
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
OpenInfrared Radiant Heating System Maintenance

The U.S. Air Force's 28th Contracting Squadron is seeking a contractor to maintain infrared radiant heating systems at Ellsworth Air Force Base under a five-year firm-fixed-price contract.

Ellsworth AFB, Box Elder, SD, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > DEPT OF DEFENSE > DEPT OF THE AIR FORCE > FA4690 28 CONS PKC (AIR FORCE GLOBAL STRIKE COMMAND)10/9/2026
OpenUSCG Base North Bend Boiler Replacement

The U.S. Coast Guard is seeking a small-business contractor to remove and replace a hydronic boiler at Base North Bend, including associated components, control integration, commissioning, disposal, and onsite operator training.

2000 Connecticut Avenue, North Bend, OR, USARequest for Quote/Qualifications (RFQ)Small Business
United States of America > HOMELAND SECURITY, DEPARTMENT OF > US COAST GUARD > BASE SEATTLE(00033)9/21/2026
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
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-
OpenHeat Pump and HVAC Training Equipment

Middlesex Community College is seeking heat pump and HVAC training equipment for delivery to its Bedford, Massachusetts campus.

591 Springs Road, Bedford, MA, USARequest for Quote/Qualifications (RFQ)
Middlesex Community College9/26/2026
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
OpenConstruction of Heat Exchangers at Ogden and Damen Buildings

The Department of Veterans Affairs is seeking a contractor to replace four steam-to-hot-water heat exchangers at Jesse Brown VA Medical Center in Chicago, including piping, steam traps, valves, insulation, electrical connections, testing, and cleanup.

820 South Damen Avenue, West Side, 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) (GREAT LAKES ACQUISITION CENTER)9/18/2026
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, at 12:00 PM Pacific Time.

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) (GREAT LAKES ACQUISITION CENTER)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
OpenRegional Food Bank HVAC System Installation

Community Connection of Northeast Oregon is seeking a qualified, licensed HVAC contractor to install a heating and cooling system at its 8,600-square-foot Regional Food Bank facility.

Oregon, USARequest for Proposal (RFP)
Elkhorn Media Group10/16/2026
OpenChromalox Heat Tracing Tape

The U.S. Navy's Norfolk Naval Shipyard is seeking 5,264 feet of brand-name Chromalox SRL 5-1CR heat tracing tape, with quotes due September 14, 2026.

Norfolk Naval Shipyard, Portsmouth, VA, USASole SourceSmall Business
United States of America > DEPT OF DEFENSE > DEPT OF THE NAVY > NORFOLK NAVAL SHIPYARD GF (NAVSEA SHIPYARD)9/14/2026
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-
Frequently Asked Questions
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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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