# Sanierung HPW Hoekweide - Techn. Ausrüstung (Biofilter)

Open · Tender

## At a glance

This tender is for Heating, ventilation and air-conditioning installation work (CPV 45331000) in Niedersachsen (DE9). The notice gives 10 December 2026, 11:30 (UTC+01:00) as the deadline. Procedure type: de-open.

## Key facts

- Status: Open
- Deadline: 10 December 2026, 11:30 (UTC+01:00) (in 34 days)
- Place of performance: Niedersachsen (DE9)
- Main CPV: Heating, ventilation and air-conditioning installation work (CPV 45331000)
- Procedure: de-open
- Lots: 1

Source: [Official notice](https://oeffentlichevergabe.de/ui/de/notices/9300e1e7dfa67294). Each fact is from the official notice, last checked 29 October 2026, 06:30 (UTC+01:00).

Fact sheet: [Inteliwert fact sheet: Sanierung HPW Hoekweide - Techn. Ausrüstung (Biofilter), deadline 10 December 2026, 11:30 (UTC+01:00). A product of Bandpey GmbH.](https://inteliwert.com/cards/opp_EEEAM90753C3BHMTS3XMP5RHFZ/ntv_DWRGD7VXQVNH51KA7Q7JK9V450/en-sheet.png) (PNG, 1600 × 900)

## Lots (1)

### Lot LOT-0000: Sanierung HPW Hoekweide - Techn. Ausrüstung (Biofilter)

- CPV: Heating, ventilation and air-conditioning installation work (CPV 45331000), Ventilation installation work (CPV 45331210)
- Place: Niedersachsen (DE9)
- Deadline: 10 December 2026, 11:30 (UTC+01:00)

## Timeline

- 29 October 2026, 06:30 (UTC+01:00): Original notice, Notice, version 1 (Contract or concession notice – standard regime), [Official notice](https://oeffentlichevergabe.de/ui/de/notices/9300e1e7dfa67294)

## Classification

- CPV codes: Heating, ventilation and air-conditioning installation work (CPV 45331000); Ventilation installation work (CPV 45331210)
- NUTS regions: Niedersachsen (DE9)

## Official documents

- [vergabe.niedersachsen.de](https://vergabe.niedersachsen.de/Satellite/notice/CXVHYYQDYHUHT5G5)

## Questions and answers

### When is the deadline?

The official notice gives 10 December 2026, 11:30 (UTC+01:00) as the deadline.

### What is being procured (CPV)?

Heating, ventilation and air-conditioning installation work (CPV 45331000) and Ventilation installation work (CPV 45331210).

### Where is the work performed (NUTS)?

Niedersachsen (DE9).

### Is it divided into lots?

No, the notice names a single lot.

### Which procedure is used?

de-open.

### How do I submit a bid?

On the official notice or the portal it names. Inteliwert does not submit bids. [Official notice](https://oeffentlichevergabe.de/ui/de/notices/9300e1e7dfa67294)

### Am I eligible?

Inteliwert does not judge eligibility. The selection criteria are in the official notice. [Official notice](https://oeffentlichevergabe.de/ui/de/notices/9300e1e7dfa67294)

## Companies that might fit

*Possible match based on public information*

Companies Inteliwert knows from its sources, not the whole market. Inteliwert does not judge eligibility, fit or chances.

- [Diehl GmbH](https://inteliwert.com/company/org_PQ28MBVSFEHP7Y9SN071KPFWMN/diehl-gmbh) · Baumholder · SME (from the award notice)
  - Won a contract in CPV group 453 (2026-10-13): [Evidence](https://inteliwert.com/tender/opp_3KTX0KCHGWAKW3PV8N6R8GHXPM/projekt-erweiterung-eines-buerogebaeudes-im-industriepark-frankfurt-hoechst-tech), checked 5 Nov 2026
  - Seat in the same country as the place of performance: [Evidence](https://inteliwert.com/company/org_PQ28MBVSFEHP7Y9SN071KPFWMN), checked 5 Nov 2026
- [Thümler GmbH](https://inteliwert.com/company/org_HTJV8K1GWMZT9HAGS217TT0SPV/thuemler-gmbh) · Elsfleth Eckfleth · SME (from the award notice) · New to public tenders
  - Won a contract in CPV group 453 (2026-10-08): [Evidence](https://inteliwert.com/tender/opp_226SR58R2MWN8K20WG3A8BCNX5/gewerk-25-lueftung-auf-der-klaeranlage-emschermuendung), checked 5 Nov 2026
  - Seat in the same federal state as the place of performance: [Evidence](https://inteliwert.com/company/org_HTJV8K1GWMZT9HAGS217TT0SPV), checked 5 Nov 2026
- [Schäffer u. Walcker GmbH](https://inteliwert.com/company/org_Q7P734R0TTZY3QTTFW5KCZTN2C/schaeffer-u-walcker-gmbh) · Gifhorn · SME (from the award notice) · New to public tenders
  - Won a contract in CPV group 453 (2026-10-30): [Evidence](https://inteliwert.com/tender/opp_FTFGRZ80Q3D72BVPEGGWC8PP6N/sanitaeranlagen-neubau-physik-geb-3335-hans-sommer-strasse-10-38106-braunschweig), checked 5 Nov 2026
  - Seat in the same federal state as the place of performance: [Evidence](https://inteliwert.com/company/org_Q7P734R0TTZY3QTTFW5KCZTN2C), checked 5 Nov 2026
- [Hermann Witte GmbH & Co. KG](https://inteliwert.com/company/org_QW9FCESRYA1K2WC1HH4G0FFBBC/hermann-witte-gmbh-co-kg) · Rhede · SME (from the award notice) · New to public tenders
  - Won a contract in CPV group 453 (2026-10-29): [Evidence](https://inteliwert.com/tender/opp_JXESTZ6HMCHZST89VWXFHGKE5R/neubau-rathaus-heizungs-und-lueftungsarbeiten-2-ba), checked 5 Nov 2026
  - Seat in the same federal state as the place of performance: [Evidence](https://inteliwert.com/company/org_QW9FCESRYA1K2WC1HH4G0FFBBC), checked 5 Nov 2026
- [Würflein Haustechnik GmbH & Co. KG](https://inteliwert.com/company/org_7YB5SVJJNEB0ZVK9SXN5N0TS3S/wuerflein-haustechnik-gmbh-co-kg) · Weihenzell · SME (from the award notice)
  - Won a contract in CPV group 453 (2026-10-27): [Evidence](https://inteliwert.com/tender/opp_YCH408KFYHTMRVF5BVM11XHKRN/generalsanierung-dreifachsporthalle-weissenburg-i-bay), checked 5 Nov 2026
  - Seat in the same country as the place of performance: [Evidence](https://inteliwert.com/company/org_7YB5SVJJNEB0ZVK9SXN5N0TS3S), checked 5 Nov 2026

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## Source

- Publisher: Bekanntmachungsservice
- Licence: [CC0 1.0](https://creativecommons.org/publicdomain/zero/1.0/)
- Official notice: [https://oeffentlichevergabe.de/ui/de/notices/9300e1e7dfa67294](https://oeffentlichevergabe.de/ui/de/notices/9300e1e7dfa67294)
- Last checked: 29 October 2026, 06:30 (UTC+01:00)

The official notice is authoritative. Inteliwert shows what the notice states and links to it.

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Page: https://inteliwert.com/tender/opp_EEEAM90753C3BHMTS3XMP5RHFZ/sanierung-hpw-hoekweide-techn-ausruestung-biofilter

Inteliwert is a product of Bandpey GmbH, an international data and AI software company in Munich, Germany, founded and led by Roozbeh Bandpey. Bandpey's products: Facthory, Emolysis, Copolly and Inteliwert.

Inteliwert on LinkedIn: https://www.linkedin.com/company/intelliwert, GitHub: https://github.com/inteliwertai.