---
title: "Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]"
ocid: "ocds-h6vhtk-049b3a"
canonical_url: "https://d3tenders.com/contract/?ocid=ocds-h6vhtk-049b3a"
markdown_url: "https://d3tenders.com/contract/ocds-h6vhtk-049b3a.md"
json_url: "https://d3tenders.com/contract/ocds-h6vhtk-049b3a.json"
source: "Find A Tender Service"
current_stage: "Award"
buyer: "BUSINESS SERVICES ORGANISATION, PROCUREMENT AND LOGISTICS SERVICE"
published: "2025-08-12"
---

# Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]

Buyer: BUSINESS SERVICES ORGANISATION, PROCUREMENT AND LOGISTICS SERVICE  
Current stage: Award  
OCID: ocds-h6vhtk-049b3a

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## Summary

The procurement process titled "Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning" involves the Business Services Organisation Procurement and Logistics Service as the central purchasing body. The procurement falls under the industry category of repair and maintenance services, specifically focusing on HVAC systems. The project is located in the UK, with several lots associated, each targeting specific areas such as HVAC Hygiene Inspection, Maintenance, and Cleaning. The procurement process has reached the Award stage, with contracts having been signed on 22nd July 2025. The process was conducted using an open procedure, assessing bids primarily on price (90%) and social value considerations (10%). Notably, the tender is valued significantly, with the total amount reaching into the hundreds of millions of GBP.

This tender provides significant opportunities for businesses specializing in HVAC systems, maintenance, and hygiene services. Companies that can offer economically advantageous solutions with high social value stand to benefit greatly, given the substantial scope of the project and potential for extensions. It is particularly suitable for firms with experience in servicing public health facilities, as indicated by the participation of multiple health and social care trusts across Northern Ireland. Suppliers, especially SMEs, have been highly engaged, with successful bidders including AIRISQ LIMITED and VENTILATION SURVEYS SERVICES LIMITED among others. These opportunities suggest robust growth potential for businesses adept in providing comprehensive HVAC-related services.

## Notice

Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]

### Lot Information

Lot 1 - HVAC Hygiene Inspection and Verification

Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794] Additional information: The estimated value for Lot 1 is the highest value in the following range: 2,251,913 GBP to 35,983,276 GBP which has been calculated on the basis of a 5 year Contract plus maximum 36 month extension and contingency for potential additional equipment or higher level of services during the Contract period for all Clients for Lot 1.

Renewal: Option of extending for any period(s) of up to and including 36 months.

Lot 2 - HVAC Hygiene Maintenance and Cleaning

Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794] Additional information: The estimated value for Lot 2 is the highest value in the following range: 11,268,157 GBP to 173,902,020 GBP which has been calculated on the basis of a 5 year Contract plus maximum 36 month extension and contingency for potential additional equipment or higher level of services during the contract period for all Clients for Lot 2.

Renewal: Option of extending for any period(s) of up to and including 36 months.

Lot 3 - Maintenance of Smoke Ventilation and Damper Systems

Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794] Additional information: The estimated value for Lot 3 is the highest value in the following range: 1,671,901 GBP to 23,395,240 GBP which has been calculated on the basis on a 5 year contract plus maximum 36 month extension and contingency for potential additional equipment or high level services during the contract period for all Clients for Lot 3.

Renewal: Option of extending for any period(s) of up to and including 36 months.

Lot 4 - Cleaning of Kitchen Extract Systems

Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794] Additional information: The estimated value for Lot 4 is the highest value in the following range: 1,030,352 GBP to 16,882,366 GBP which has been calculated on the basis of a 5 years Contract plus maximum 36 month extensions and contingency for potential additional equipment or higher level of services during the Contract period for all Clients for Lot 4.

Renewal: Option of extending for any period(s) of up to and including 36 months.

Lot 5 - Cleaning of Chilled Beams and Over-Door Heaters

Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794] Additional information: The estimated value for Lot 5 is the highest value in the following range: 1,125,814 GBP to 14,024,884 GBP which has been calculated on the basis on a 5 year Contract plus maximum 36 month extension and contingency for potential additional equipment or higher level of services during the Contract period for all Clients for Lot 5.

Renewal: Option of extending for any period(s) of up to and including 36 months.

Lot 6 - Supply of Filters

Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794] Additional information: The estimated value for Lot 6 is the highest value in the following range: 2,287,305 GBP to 34,541,827 GBP which has been calculated on the basis of a 5 year Contract plus maximum 36 month extension and contingency for potential additional equipment or high level of services during the Contract period for all Clients for Lot 6.

Renewal: Option of extending for any period(s) of up to and including 36 months.

## Key Details

| Field | Value |
| --- | --- |
| Publication source | Find A Tender Service |
| Latest notice | https://www.find-tender.service.gov.uk/Notice/048063-2025 |
| Notice type | Planning Notice |
| Procurement type | Standard |
| Procurement category | Services |
| Procurement method | Open |
| Procurement method details | Open procedure |
| Tender suitability | Not specified |
| Awardee scale | SME |
| All stages | Planning, Tender, Award |

## Dates

| Field | Value |
| --- | --- |
| Publication date | 12 Aug 2025 |
| Submission deadline | 26 Mar 2025 |
| Future notice date | 31 Jan 2025 |
| Award date | 21 Jul 2025 |
| Contract period | Not specified |
| Recurrence | Not specified |

## Values

| Field | Value |
| --- | --- |
| Tender value | £209,885,296 |
| Lots value | £298,729,613 |
| Awards value | Not specified |
| Contracts value | £298,729,613 |

## Status

| Field | Value |
| --- | --- |
| Tender status | Complete |
| Lots status | Cancelled |
| Awards status | Active |
| Contracts status | Active |

## Buyer

| Field | Value |
| --- | --- |
| Main buyer | BUSINESS SERVICES ORGANISATION, PROCUREMENT AND LOGISTICS SERVICE |
| Additional buyers | BELFAST HEALTH AND SOCIAL CARE TRUST; NORTHERN HEALTH AND SOCIAL CARE TRUST; PROCUREMENT AND LOGISTICS SERVICE; SOUTH EASTERN HEALTH AND SOCIAL CARE TRUST; SOUTHERN HEALTH AND SOCIAL CARE TRUST; WESTERN HEALTH AND SOCIAL CARE TRUST |
| Locality | BALLYMENA |
| Post town | Northern Ireland |
| Postcode | BT42 4TP |
| Country | Northern Ireland |
| ITL 1 | TLN Northern Ireland |
| ITL 2 | TLN0 Northern Ireland |
| ITL 3 | TLN0A Derry City and Strabane |
| Local authority | Derry City and Strabane |
| Electoral ward | Kilfennan |
| Westminster constituency | Foyle |
| Delivery location | TLN Northern Ireland |

## Supplier

| Field | Value |
| --- | --- |
| Number of suppliers | 5 |
| Supplier names | AIRISQ; EXI-TITE AIR FILTRATION; F. B. SMYTH; G S STOTHERS ME ENGINEERING; VENTILATION SURVEYS SERVICES |

## CPV Codes

### Divisions

- 39 - Furniture (incl. office furniture), furnishings, domestic appliances (excl. lighting) and cleaning products
- 42 - Industrial machinery
- 50 - Repair and maintenance services
- 71 - Architectural, construction, engineering and inspection services

### Codes

- 39563530 - Ventilation ducting
- 42512300 - HVAC packages
- 42520000 - Ventilation equipment
- 50000000 - Repair and maintenance services
- 50222100 - Repair and maintenance services of dampers
- 71315410 - Inspection of ventilation system

## Release History

- 12 Aug 2025 at 13:18 - Award - Award Notice - https://www.find-tender.service.gov.uk/Notice/048063-2025
- 20 Feb 2025 at 17:54 - Tender - Tender Notice - https://www.find-tender.service.gov.uk/Notice/006458-2025
- 16 Sep 2024 at 14:37 - Planning - Planning Notice - https://www.find-tender.service.gov.uk/Notice/029577-2024

## Notice URLs

- https://etendersni.gov.uk/epps

## Provenance

This Markdown file is an alternate public rendering of the D3 Tenders contract record. The canonical page is https://d3tenders.com/contract/?ocid=ocds-h6vhtk-049b3a. The underlying structured data is available as OCDS JSON at https://d3tenders.com/contract/ocds-h6vhtk-049b3a.json.