What is BS EN 1264‑1 about?
BS EN 1264 discusses water-based surface embedded heating and cooling systems. BS EN 1264‑1 is the first part of the EN 1264 multi-series and discusses definitions and symbols.
BS EN 1264‑1 series gives guidelines for surface embedded heating and cooling systems installed in buildings, residential and non-residential (e.g., office, public, commercial, and industrial buildings) areas, and focuses on systems installed for the purpose of thermal comfort.
BS EN 1264‑1 specifies system types and characteristics of water-based surface embedded radiant heating and cooling systems.
Note: The BS EN 1264‑1 series does not specify ceiling systems mounted in a suspended ceiling with a designed open-air gap between the system and the building structure which allows the thermally induced circulation of the air.
Who is BS EN 1264‑1 for?
BS EN 1264‑1 on water-based heating and cooling systems is useful for:
- Commercial HVAC manufacturers
- Underfloor Heating System Manufacturers
- Pipe Manufacturers
- Plumbers
Why should you use BS EN 1264‑1?
In the manufacturing of water-based heating and cooling systems, certain terms and symbols are specific to the product. It is important that all the individuals involved in the process of manufacturing, installing, or maintaining the product have the same understanding of these terms and symbols.
BS EN 1264‑1 guides you on all the terminologies and symbols used in the production, installation, or maintenance of water-based surface embedded heating and cooling systems.
BS EN 1264‑1 eliminates the confusion between you and other individuals involved in different stages of manufacturing water-based surface embedded heating and cooling systems.
What’s changed since the last update?
BS EN 1264‑1:2021 supersedes BS EN 1264‑1:2011, which is withdrawn. BS EN 1264‑1:2021 includes some technical and editorial changes with respect to BS EN 1264‑1:2011. These include:
- Clarification of Scope and Improved wording
- Specification of the definition of embedded heating and cooling systems
- Expansion of the types of embedded heating and cooling systems
- Deletion, modification and addition of several terms and definitions
- Updated reference

