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Zehnder Air Filters Maintenance

The Common Services Agency (more commonly known as Public Services Delivery Scotland) (PSD Scotland)

This public procurement record has 2 releases in its history.

Award

10 Aug 2026 at 01:00

OJEU - F3 - Contract Award Notice
Award

10 Jun 2026 at 01:00

OJEU - F15 - Voluntary Ex Ante Transparency Notice
Summary of the contracting process

Public Services Delivery Scotland (PSD Scotland), acting as a central purchasing body for the health sector, procured maintenance services for Zehnder air-filtration units across its estate. The requirement covers the servicing of Zehnder air filters and associated air-filtration systems, including units containing the patented Flimmer filter. This is specialist building-services maintenance rather than the supply of general filters or unrelated facilities-management work. The service is categorised under CPV 50700000, covering repair and maintenance services of building installations. The systems are Zehnder equipment, so the requirement is tied to the installed technology and its proprietary filter components. The appointed supplier is Zehnder Group UK Ltd, a large company based in Camberley.

The procurement is complete and has been awarded through a limited procedure without prior publication of a competition. PSD Scotland made a direct award under section 14 of the Procurement Reform (Scotland) Act 2014 because Zehnder exclusively manufactures and supplies the patented Flimmer filter, leaving no lawful or technically reasonable alternative provider. There was one bid, submitted electronically, and the award covered a single lot. The stated evaluation basis was equally weighted quality and price, at 50% each, although the direct-award rationale determined the supplier route. The contract was signed on 1 May 2026 and is active. Its awarded contract value is £77,580. Zehnder Group UK Ltd received the award for the maintenance requirement.

This opportunity indicates demand for proprietary air-filtration maintenance within PSD Scotland’s estate, but the recorded procurement was designed around Zehnder’s exclusive technical and intellectual-property position. A credible competitor for a comparable future requirement would therefore need demonstrable capability to maintain Zehnder units and work safely with Flimmer filters, together with lawful access to the relevant technology or an authorised manufacturer relationship. General heating, ventilation or building-maintenance experience alone would not address the stated technical barrier. Suppliers would also need sufficient field-service capacity for an estate-wide maintenance requirement, competent engineers familiar with installed Zehnder systems, and the quality controls needed to maintain filtration performance. Zehnder’s position shows that proprietary equipment support and manufacturer authorisation are central to this buyer’s requirement.

How relevant is this notice?

Notice Information

Notice Title

Zehnder Air Filters Maintenance

Notice Description

This is a direct award to Zehnder CAS (Clean Air Solutions) to carry out maintenance of the Zehnder units within the PSD Scotland estate.

Lot Information

Lot 1

The contract is awarded by direct award under section 14 of the Procurement Reform (Scotland) Act 2014. The maintenance service relates to Zehnder air filters containing the patented 'Flimmer' filter, which is exclusively manufactured and supplied by Zehnder. The patented nature of the filter means that no third-party supplier can lawfully or technically provide the required maintenance service. As competition is genuinely absent for technical and exclusive rights reasons, and no reasonable alternative exists, a competitive procurement exercise would not deliver competition.

Procurement Information

The contract is awarded by direct award under section 14 of the Procurement Reform (Scotland) Act 2014. The maintenance service relates to Zehnder air filters containing the patented 'Flimmer' filter, which is exclusively manufactured and supplied by Zehnder. The patented nature of the filter means that no third-party supplier can lawfully or technically provide the required maintenance service. As competition is genuinely absent for technical and exclusive rights reasons, and no reasonable alternative exists, a competitive procurement exercise would not deliver competition.

Notice Details

Publication & Lifecycle

Open Contracting ID
ocds-r6ebe6-0000834343
Publication Source
Public Contracts Scotland
Latest Notice
https://www.publiccontractsscotland.gov.uk/search/show/search_view.aspx?ID=AUG561968
Current Stage
Award
All Stages
Award

Procurement Classification

Notice Type
OJEU - F3 - Contract Award Notice
Procurement Type
Framework
Procurement Category
Services
Procurement Method
Limited
Procurement Method Details
Award procedure without prior publication of a call for competition
Tender Suitability
Not specified
Awardee Scale
Large

Common Procurement Vocabulary (CPV)

CPV Divisions

50 - Repair and maintenance services

CPV Codes

50700000 - Repair and maintenance services of building installations

Notice Value(s)

Tender Value
Not specified
Lots Value
Not specified
Awards Value
Not specified
Contracts Value
£77,580 Under £100K

Notice Dates

Publication Date
10 Aug 20262 weeks ago
Submission Deadline
Not specified
Future Notice Date
Not specified
Award Date
1 May 20263 months ago
Contract Period
Not specified - Not specified
Recurrence
Not specified

Notice Status

Tender Status
Complete
Lots Status
Complete
Awards Status
Not Specified
Contracts Status
Active

Buyer & Supplier

Contracting Authority (Buyer)

Main Buyer
The Common Services Agency (more commonly known as Public Services Delivery Scotland) (PSD Scotland)
Contact Name
Available with D3 Tenders Premium →
Contact Email
Available with D3 Tenders Premium →
Contact Phone
Available with D3 Tenders Premium →

Buyer Location

Locality
EDINBURGH
Postcode
EH12 9EB
Postcode Area
Edinburgh
Country
Scotland
Major Region (ITL 1)
TLM Scotland
Basic Region (ITL 2)
TLM1 East Central Scotland
Small Region (ITL 3)
TLM13 City of Edinburgh
Delivery Location
TLM Scotland
Local Authority
City of Edinburgh
Electoral Ward
Drum Brae/Gyle
Westminster Constituency
Edinburgh South West

Supplier Information

Number of Suppliers
1
Supplier Name

Zehnder Group UK Ltd

Further Information

Notice Documents

Open Contracting Data Standard (OCDS)

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The Open Contracting Data Standard (OCDS) is a framework designed to increase transparency and access to public procurement data in the public sector. It is widely used by governments and organisations worldwide to report on procurement processes and contracts.

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