CPV subcategory
42511100: Heat-exchange units
CPV code 42511100 is "Heat-exchange units", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 55 UK public contracts since 2023, awarded by 45 buyers, most often Oxfordshire County Council and Milton Keynes Council. The typical contract was worth about £401k.
UK public contracts since 2023
How buyers use 42511100
- Contracts
- 55
- Buyers
- 45
- Typical value
- £401k
- Ending in 18 months
- 9
By year of award: 2023 14 · 2024 25 · 2025 11 · 2026 5. Figures as of 23 September 2026. Typical value is the median of single-supplier contracts with a published value (44).
Buyers using this code most
Suppliers winning most often
- Ameresco Limited3
- Finn Geotherm UK Limited2
- Cinergi Ltd2
- CorEnergy Limited2
- Everwarm Limited2
- Dodd Group (Midlands) Limited2
- DFP Services Limited2
- Aaron Services Limited2
Recent contracts under 42511100
| Contract | Buyer | Value | Awarded |
|---|---|---|---|
| CA16917 - Airsource Heat Pumps and Solar PV Project | Activate Learning | £3.2m | Aug 2026 |
| 1 | Swindon Borough Council | £535k | Jul 2026 |
| Decarbonisation Works | Norse Commercial Services Limited | £530k | Jun 2026 |
| De-steaming/ Heat Pump Installation Project at St Nicholas Hospital | NTW Solutions Limited | £5.7m | Jan 2026 |
| UKRI-5342 MRC LMB Air Source Heat Pump | UK Research & Innovation | Jan 2026 | |
| Call Off for Leicestershire Warm Homes Scheme | Leicestershire County Council | £4.8m | Nov 2025 |
| BaDC-1502 Further Competition for Warm Homes Local Grant for Bassetlaw District Council | Welland Procurement Unit | £2.3m | Aug 2025 |
| Gas , Plumbing and Heating - Corporate Landlord - AWARD | Milton Keynes Council | £360k | Jul 2025 |
Where it sits
Codes above 42511100
- 42000000Industrial machinery
- 42500000Cooling and ventilation equipment
- 42510000Heat-exchange units, air-conditioning and refrigerating equipment, and filtering machinery
- 42511000Heat-exchange units and machinery for liquefying air or other gases
- 42511100Heat-exchange units
See the whole market in industrial machinery contracts, with buyers, suppliers and contracts ending soon.
Questions
About CPV code 42511100
What is CPV code 42511100?
CPV code 42511100 is "Heat-exchange units", a subcategory in the Common Procurement Vocabulary used to classify UK public sector contracts. It, or a more specific code beneath it, was used on 55 UK public contracts since 2023, awarded by 45 buyers, most often Oxfordshire County Council and Milton Keynes Council. The typical contract was worth about £401k.
Which codes sit above and below 42511100?
42511100 sits under 42000000 (Industrial machinery), then 42500000 (Cooling and ventilation equipment), then 42510000 (Heat-exchange units, air-conditioning and refrigerating equipment, and filtering machinery), then 42511000 (Heat-exchange units and machinery for liquefying air or other gases). It has 1 more specific code beneath it, the most used being 42511110 (Heat pumps).
Who wins contracts under CPV code 42511100?
The suppliers named most often on UK public contracts under 42511100 since 2023 are Ameresco Limited (3), Finn Geotherm UK Limited (2), Cinergi Ltd (2). 117 different suppliers have won work under this code.
How do I get alerts for tenders using CPV code 42511100?
Add 42511100 to a Tender Radar profile, with keywords that describe your work. Each weekday morning you get the new UK public sector notices that match, scored for fit. Because codes cover the codes beneath them, adding 42511100 also catches notices classified under its more specific codes.
Get the tenders filed under 42511100
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