Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]
Estimated value
—
Awarded value
—
Suppliers
8
Lots
6
Published
12 Aug 2025
Description
Maintenance of Ventilation Systems (Including Smoke Dampers) and HVAC Hygiene Maintenance and Cleaning [5470794]
Scope
- Reference
- ocds-h6vhtk-049b3a
- Commercial tool
- Standalone contract
- Contract dates
Option of extending for any period(s) of up to and including 36 months.
- Main category
- services
- CPV classifications
- 4251230071315410395635304252000050222100
- Contract locations
- Northern Ireland
Award criteria
Criteria the buyer will use to evaluate bids.
| Name | Description | Type | Weighting |
|---|---|---|---|
| Social Value Considerations | 10 | quality | — |
| Price | 90 | cost | — |
Submission & procedure
- Procedure
- Open procedure
Award details· 6 awards
Awarded supplier(s), contract period and value as published in the award notice.
Awarded value
—
Award date
—
Contract start
—
Contract end
—
Lots · 6 total
Divisions of the contract. Each lot can be awarded separately.
| Lot | Title | Est. value | Status |
|---|---|---|---|
| 1 | Lot 1 – HVAC Hygiene Inspection and Verification | £36.0m | cancelled |
| 2 | Lot 2 – HVAC Hygiene Maintenance and Cleaning | £173.9m | cancelled |
| 3 | Lot 3 – Maintenance of Smoke Ventilation and Damper Systems | £23.4m | cancelled |
| 4 | Lot 4 – Cleaning of Kitchen Extract Systems | £16.9m | cancelled |
| 5 | Lot 5 – Cleaning of Chilled Beams and Over-Door Heaters | £14.0m | cancelled |
Award 1· 1 supplier
Awarded —
Award 2· 2 suppliers
Awarded —
Award 3· 2 suppliers
Awarded —
Award 4· 1 supplier
Awarded —
Award 5· 1 supplier
Awarded —
Award 6· 1 supplier
Awarded —
Total lots
6
Awarded
6
Estimated total
£298.7m
Awarded total
—
Lot 1 – HVAC Hygiene Inspection and Verification
Start
—
End
—
Estimated
£36.0m
CPV
Lot 2 – HVAC Hygiene Maintenance and Cleaning
Start
—
End
—
Estimated
£173.9m
CPV
Lot 3 – Maintenance of Smoke Ventilation and Damper Systems
Start
—
End
—
Estimated
£23.4m
CPV
Lot 4 – Cleaning of Kitchen Extract Systems
Start
—
End
—
Estimated
£16.9m
CPV
Lot 5 – Cleaning of Chilled Beams and Over-Door Heaters
Start
—
End
—
Estimated
£14.0m
CPV
Lot 6 – Supply of Filters
Start
—
End
—
Estimated
£34.5m
CPV
Other contracts from Northern Health and Social Care Trust NHSCT
Full notice and award history for this contracting authority is on the buyer profile.
Other contracts awarded to AIRISQ LIMITED· 10
Cross-buyer view of this supplier's public-sector wins.
| Title | Type | Value | Published |
|---|---|---|---|
| –Critical Ventilation Verification Services | contract | — | 10 Jun 2026 |
| CA17261 - Maint6162-MEH-Airisq HTM 03-01 | contract | £18k | 23 Feb 2026 |
| PAHT - Critical Ventilation Verification Services | contract | £53k | 17 Feb 2026 |
| Annual verification of critical ventilation system and air filtration systems | contract | — | 05 Feb 2026 |
| Chelsea Hospital Ventilation Verification | contract | £51k | 02 Feb 2026 |
| ENHT - Critical Ventilation Verification | contract | £39k | 22 Oct 2025 |
| PAHT - Replacement Hepa Filters & Gel Conversion Gasket Theatres 3 & 4 | contract | £30k | 18 Dec 2024 |
| ENHT - Critical Ventilation Verification | contract | £90k | 02 Oct 2023 |
| Q1274 - Ventilation Systems and LEV Verifications - RETENDER | contract | £401k | 19 May 2023 |
| Q1274 - Ventilation Systems and LEV Verifications - RETENDER | contract | — | 19 May 2023 |