HHO Plus® is a brand name of the company HHO Plus (International) Limited, a research-driven company dedicated to the development and manufacture of hydrogen generators and related electronic products.
At HHO Plus® we have been involved with HHO Hydrogen-On-Demand Technology development for the past 10 years, in an effort to do our share helping reducing fuel consumption and preserving the environment. It has taken great deal of work and research to produce one of the most efficient, practical and reliable HHO Systems available on the market today. Unlike many other companies, we offer complete kits which include everything you need for a successful installation in cars, trucks, boats, electric generators...

We offer 5 days a week customer support to answer all your questions or help you with your instalation:

Telephone: 00 351 244 697 116
(Monday to Friday, 9.00-18.00h, London Hour)
E-mail: info@hhoplusgas.com

HHO Plus, Alternative Energies, Ltd
Zona Industrial Vieira de Leiria
Rua Manuel Joaquim Afonso Lote 10
2430-837 Vieira de Leiria

CEO - Production and Finance: Frederico Ribeiro
CEO - Shipping and Marketing: Miguel Moleirinho

Technical and Customer Support: Sandra Branquinho
Production Department: Izaac Junio and Fábio Silva
Shipping Department: Éder Matildes Silva

You are welcome to visit us in our facilities! Thank you