Accreditations, Certificates and Insurance
We are qualified to provide an excellent service and the highest quality energy efficient heating and hot water systems. The current certificates are here to view and download.
BESA
Members of the Building Engineering Services Association for over 40 years.
Gas Safe Register
Enrolled on the Gas Safe Register of gas engineers.
- Registration no.
- 927678
- Valid until
- 19 September 2027
F-Gas
REFCOM F-Gas company certificate for the installation, servicing and decommissioning of stationary refrigeration, air conditioning and heat pump equipment containing fluorinated gases.
- Company no.
- REF1019915
- Valid until
- 16 December 2028
Constructionline Gold
Gold member, meeting pre-qualification requirements appropriate to public and private sector procurement.
- Registration no.
- 1389590
- Certificate issued
- 18 August 2026
Alcumus SafeContractor
SafeContractor approved for the installation, maintenance and servicing of industrial boilers, in the roles of construction contractor and principal contractor.
- Certificate no.
- IK3500
- Valid until
- 30 January 2027
SSIP
Safety Schemes in Procurement core criteria met through our SafeContractor assessment, which can be validated on the SSIP Portal.
Waste carrier registration
Registered with the Environment Agency as an upper tier waste carrier, broker and dealer.
- Registration no.
- CBDU603670
- Valid until
- 24 September 2028
Enhanced DBS
Engineers attending schools, hospitals and care settings hold Enhanced DBS clearance, and all members of our fire door supply chain are BM TRADA certified.
Procurement frameworks
Public sector clients can appoint Preou through the following frameworks.
NHS SBS Hard Facilities Management
A supplier on the NHS Shared Business Services Hard Facilities Management framework, used by NHS trusts and other public sector bodies to procure estates and facilities services.
Constellia
A supplier on the Constellia framework, through which public sector organisations procure and manage works and services from pre-approved suppliers.
Insurance cover to 13 July 2027
Environment
Preou Heating Ventilation & Air Conditioning Ltd is committed to achieving Net Zero greenhouse gas emissions from its UK operations by 2050 at the latest.
The measures we are working to include journey planning and a phased move to lower-emission vehicles, lower-global-warming-potential refrigerants and good leak detection and recovery practice, accurate material ordering with segregation and recycling of metals and packaging, and energy-efficient HVAC solutions wherever they suit the client's requirements.
Our Carbon Reduction Plan, published on 14 January 2026, is available to download for procurement and framework submissions.
Pre-qualification enquiries
Call the office and we will send the documents your procurement team needs.