Welcome!

on the webpages of TELL.

TELL is a product classification system of the European thermostatic radiator valve industry, which

• fulfils the increasing and understandable desire of consumers, both in Europe and worldwide, for information and guidance in making a conscious purchasing decision.
• implements the industry's desire to promote responsible energy usage by consumers.

 
TELL subscribes to the following guiding principles:

• The user or operator must be able to detect an immediate, actual saving if a more efficient valve is installed.
• The evaluation system must set international standards.
• The evaluation system must be easily understandable.