Aiming for excellence
Certified quality
For over 30 years, BWT has been committed to designing the most effective treatment solutions, and constantly innovating to optimise water use, the efficiency of water installations and respect for the environment.
Compliance with the most stringent requirements and regulations is one of the company's key pillars.
The aim is to guarantee the hygiene of our facilities and the health and safety of our employees and users, while constantly striving to reduce our consumption of water, energy and chemicals.
In this respect, BWT's commitment to excellence is recognised by several independent bodies, through its numerous certifications.
Our certifications

ISO 9001:2015 and ISO 45001:2018
AFNOR certifies that our management systems for quality, health and safety at work in the field of water treatment comply with the standards.
Health compliance certificate
Our products (softeners, filters, antiscalers) have obtained or are in the process of obtaining the A.C.S. (Health Compliance Certificate). This is a safety certificate for all products sold in France that come into contact with water intended for human consumption.
Technical Opinion (Atec)
Our SoluTECH complete treatment process has an ATec (or Technical Application Document: DTA), issued by the CSTB (Scientific and Technical Centre for Building), for heating networks in all metals, including aluminium.
Quality for Buildings (QB)
BWT has been awarded QB certification by the CSTB in the areas of water treatment for the building industry and heating and cooling water treatment.
Certification is intended to attest to the compliance with technical specifications, described in a reference system, of a service linked to the installation or maintenance of a product or process covered by a Technical Notice.



