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Engineering services – HVAC design for renovation of central building, Wilhelm-von-Oranien-School, Dillenburg Tender

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Summary

Engineering design services for HVAC/heating-cooling system retrofit during comprehensive renovation of a school building's central structure. Bidders should be specialized MEP/building services engineering firms with HOAI certification and experience in educational facility deep renovation.

Summary by Raise Lens from the official notice · 17 Sept 2026Accurate?

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About this tender

Engineering services for HVAC systems planning (Fachplanung der HLS-Technik) according to § 53 Abs. 2 HOAI for the renovation of the middle building at Wilhelm-von-Oranien-Schule in Dillenburg. The project involves comprehensive refurbishment of the 1957 central building (Altbau Nord) and connected middle building sections, totaling approximately 1,560 m² gross floor area. The work includes structural reinforcement with steel constructions, accessibility improvements via connecting bridges, and integration with an ongoing natural sciences replacement building. …

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