Source: https://tendernation.io/opportunities/01a13be6-e893-7344-9eea-e5c5054c4da7/hvac-concept-level-study pendingGBopen procedureSuitable for SMEs # HVAC concept-level study [UK Fusion Energy Ltd](https://tendernation.io/buyers/uk-fusion-energy-ltd) Estimated value £70,000 Published 6 Aug 2026 Deadline Closed 15 Sept 2026 ## Who can bid - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Below-threshold contract Buyers cannot shortlist bidders on suitability before tenders are in, so everyone gets to submit a bid (except some larger works contracts). [Procurement Act 2023, section 85](https://www.legislation.gov.uk/ukpga/2023/54/section/85) - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](/opportunities/for-small-businesses)## About this tender The purpose of this Task Order will be to produce a concept-level Heating, Ventilation and Air Conditioning (HVAC) study to support the ongoing development of the Spherical Tokamak for Energy Production (STEP) prototype fusion facility, together with its associated maintenance, handling, and supporting infrastructure. The study shall provide the technical basis for the development of the facility HVAC architecture and ventilation strategy and shall inform the wider Tokamak Building design. The outputs of the study shall support the development of the building layout, contamination control strategy, nuclear ventilation philosophy, and the preparation of a Rough Order of Magnitude (ROM) cost estimate for the HVAC plant and associated systems. IMPORTANT: this is a planned procurement notice published per the rules set out in the Procurement Act 2023. This notice does not constitute an invitation to quote, tender, or to provide a proposal. This Planned Procurement Notice has been published to raise awareness of the requirement and to alert suppliers of the need to register on the UKFE Delta portal should they choose to tender for this (and other UKFE) requirement should it be advertised to open competition. Suppliers who believe they could provide this service are welcome to register their interest by messaging UKFE via the Delta portal, specifically on the tenderbox for this requirement (linked below). For more information about this opportunity, please visit the eSourcing portal at: [ukfe.delta-esourcing.com](https://ukfe.delta-esourcing.com/tenders/UK-UK-Abingdon:-Feasibility-study%2C-advisory-service%2C-analysis./2S22B322V5) To respond to this opportunity, please click here: [ukfe.delta-esourcing.com/respond/2S22B322V5](https://ukfe.delta-esourcing.com/respond/2S22B322V5) Read full description ## CPV classification Feasibility study, advisory service, analysisHeating engineering services for buildingsEngineering design servicesEngineering design services for mechanical and electrical installations for buildingsVentilation consultancy services Source Find a Tender (UK) · Notice ocds-h6vhtk-06de55-2026-08-06T16:29:32+01:00 [View official notice ](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-06de55-2026-08-06T16:29:32+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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