Customer Service- HHOPLUS 2025- hho browns gas hho generator hho Dry-cell hho cell hydrogen kit hho gas hho kits Engine Carbon Cleaner ECC230 Engine Carbon Cleaner

Customer Service
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Your satisfaction is our priority. We’re here to help!

At HHO Plus, we take customer service seriously. Our commitment goes beyond resolving issues. We see customer support as the foundation of our company. Your feedback and satisfaction help shape the future of our company, and we are dedicated to providing you with the best possible experience.

Our Customer Service Team is here to assist you with:

✔️ Questions about your orders
✔️ Issues or problems with products
✔️ Our returns policy
✔️ The status of shipments
✔️ General company information

If you need assistance, feel free to contact us:


Business Hours: 
Monday - Friday | 8:00 AM - 6:00 PM (Western European Time, UTC/GMT +1)


Email:
info@hhoplusgas.com
Phone: +351 244 697 116
Live Chat: Available directly on our website

Mailing Address:
HHO Plus Lda
Zona Industrial de Vieira de Leiria
Rua Manuel Joaqui Afonso, Lote 10
2430-837 Vieira de Leiria
Portugal

 

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User Online: 7
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Last customers

  • quet S. Villeneuve le roi
  • paolo B. CASALANGUIDA
  • hernan A. Gama
  • Daniel F. Tinajo
  • Stefano P. Albavilla
  • Arnaud M. igé
  • Joseph M. Brooklyn
  • Rajko P. Messel
  • Pedrosa M. Berbinzana
  • Alexandre D. HAUTE RIVOIRE
  • Achim G. Boliden
  • Guillaume R. Beaufay
  • Walter R. Limbiate
  • Joseph M. Brooklyn
  • Sylvain A. Epoisses
  • Joel Y. Fontenay-Le-Fleury
  • Juan Carlos M. La Pobla de Claramunt
  • Jan E. Rude
  • Fabio B. Carbonia
  • Sébastien D. Sévérac
  • William E. canby
  • Emil I. Limbach-Oberfrohna
  • Peter A. Furesø
  • Angelo F. Centuripe
  • EDOUARD S. LES AVENIERES
  • Cucù Marius C. Cremona
  • Thorsten S. Winsen
  • Andrea C. Gaeta
  • SEBASTIAN T. SANTORENTS
  • Alvaro B. medellin

Last Orders

Here you can view our last shipped orders.

  • 2025-07-10 14:12:53
    1x Kit DC2000 for Cars
    Send to > Colombia

  • 2025-07-10 14:12:53
    1x Kit DC2000 for Cars
    Send to > Colombia

  • 2025-07-10 14:12:53
    1x Kit DC2000 for Cars
    Send to > Colombia

  • 2025-07-10 14:12:53
    1x Kit DC2000 for Cars
    Send to > Colombia

  • 2025-07-07 12:46:17
    1x Kit DC1500 for Cars
    Send to > Italy

  • 2025-07-07 12:46:17
    1x Kit DC1500 for Cars
    Send to > Italy

  • 2025-07-07 12:46:17
    1x Kit DC1500 for Cars
    Send to > Italy

  • 2025-07-07 12:45:53
    1x Kit DC3000 for Cars
    Send to > Spain

  • 2025-07-07 12:45:53
    1x Kit DC3000 for Cars
    Send to > Spain

  • 2025-07-07 12:45:53
    1x Kit DC3000 for Cars
    Send to > Spain

  • 2025-07-07 12:45:53
    1x Electrolyte. Potassium Hydroxide KOH
    Send to > Spain

  • 2025-07-07 12:45:53
    1x Electrolyte. Potassium Hydroxide KOH
    Send to > Spain

  • 2025-07-07 12:45:53
    1x Electrolyte. Potassium Hydroxide KOH
    Send to > Spain

  • 2025-07-07 12:45:32
    1x Kit DC2000 for Cars
    Send to > Germany

  • 2025-07-07 12:45:32
    1x Kit DC2000 for Cars
    Send to > Germany

  • 2025-07-07 12:45:32
    1x Kit DC2000 for Cars
    Send to > Germany

  • 2025-07-07 12:45:32
    1x Kit DC2000 for Cars
    Send to > Germany

  • 2025-07-07 12:45:32
    2x Electrolyte. Potassium Hydroxide KOH
    Send to > Germany

  • 2025-07-07 12:45:32
    2x Electrolyte. Potassium Hydroxide KOH
    Send to > Germany

  • 2025-07-07 12:45:32
    2x Electrolyte. Potassium Hydroxide KOH
    Send to > Germany

  • 2025-07-07 12:45:32
    2x Electrolyte. Potassium Hydroxide KOH
    Send to > Germany

  • 2025-07-07 12:45:32
    1x HEC – Chip For Cars
    Send to > Germany

  • 2025-07-07 12:45:32
    1x HEC – Chip For Cars
    Send to > Germany

  • 2025-07-07 12:45:32
    1x HEC – Chip For Cars
    Send to > Germany

  • 2025-07-07 12:45:32
    1x HEC – Chip For Cars
    Send to > Germany

  • 2025-06-30 14:52:53
    1x Kit DC4000 for Cars
    Send to > Italy

  • 2025-06-30 14:52:53
    1x Kit DC4000 for Cars
    Send to > Italy

  • 2025-06-30 14:52:53
    1x Kit DC4000 for Cars
    Send to > Italy

  • 2025-06-27 12:26:52
    1x Kit DC3000 for Cars
    Send to > France

  • 2025-06-27 12:26:52
    1x Kit DC3000 for Cars
    Send to > France

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