GWA – Gima Water & Air is a company that is specialised in water and air treatment; for over 40 years it has been working in the field of analysis and planning, installation and management of large primary and wastewater treatment plants.

GWA is an agency made up of over 100 people that deal with planning, installing, managing and maintaining water and air treatment systems, including an analytic test within the CQ lab, which is accredited by ACCREDIA.

GWA is the “pioneer” company in matters of air quality. In Italy GWA was the first, and for many years the exclusive licensed company, offering the Collom Enterprises Air Duct Cleaning System, the only technology renowned for sanitising HVAC plants.
As a result of this long-term experience, GWA has developed its own approach to solving problems of indoor air quality, becoming a business leader in its field.

GWA operates in compliance with the international standards of the American Association of Air Duct Cleaners (NADCA) adopted by the Italian AIISA.
The commitment and reliability that GWA demonstrates in treating air quality and safeguarding the environment and ecosystem, is confirmed by its ISO 9001 and ISO 14001 certificates.
In addition, GWA holds the BS OHSAS 18001 certificate that attests to its care for Workers’ Health and Safety.