Customer Service
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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Last customers
- nourdine A. 0ffemont
- Alessio Giuseppe R. Torino
- Marco P. Guidonia Montecelio
- Benoit T. Saint contest
- Denis L. Passy
- Cedric G. Lucinges
- Feras A. Bleiswijk
- erwan L. Rosoy en Multien
- Gavino B. Sennori
- Giorgio G. Roma
- Ene G. Bucureşti
- Eric P. Saint léger des vignes
- Matteo M. Montesilvano
- Gerhard K. Oranienburg
- Karin Maria S. Wilhelmsdorf
- Robin V. Anna Paulowna
- BEDWI A. Hagen, Westf
- Jorge A. Viseu
- Manuel V. Hosenfeld
- Norman A. Buxtehude
- Raphaël L. Vallieres
- Jörg W. Dortmund
- Vincent N. Cazalis
- Fred L. Saint Nazaire
- Antonio I. Boscoreale
- Johannes L. Freiburg
- Massimo D. Mignano Montelungo
- Bartolomeo C. Tortoreto lido
- davy T. Neeroeteren
- Richard V. Dordrecht
Last Orders
Here you can view our last shipped orders.
1x HHO Bubbler Tank
Send to > Italy
1x Kit DC8000 T
Send to > Italy
1x Kit DC8000 T
Send to > Italy
1x 60A CCPWM Constant Current - Electronic Control - Pulse width modulator
Send to > Italy
1x 60A CCPWM Constant Current - Electronic Control - Pulse width modulator
Send to > Italy
2x Electrolyte. Potassium Hydroxide KOH
Send to > Italy
2x Electrolyte. Potassium Hydroxide KOH
Send to > Italy
2x Electrolyte. Potassium Hydroxide KOH
Send to > Italy
2x Electrolyte. Potassium Hydroxide KOH
Send to > Italy
4x Electrolyte. Potassium Hydroxide KOH
Send to > Netherlands
4x Electrolyte. Potassium Hydroxide KOH
Send to > Netherlands
4x Electrolyte. Potassium Hydroxide KOH
Send to > Netherlands
1x Electrolyte. Potassium Hydroxide KOH
Send to > Belgium
1x Electrolyte. Potassium Hydroxide KOH
Send to > Belgium
1x Engine Carbon Cleaner ECC230 230V AC 1200W
Send to > Belgium
1x Engine Carbon Cleaner ECC230 230V AC 1200W
Send to > Belgium
1x Engine Carbon Cleaner ECC230 12V DC 1200W
Send to > Belgium
1x Kit DC3000 for Cars
Send to > Italy
1x Kit DC3000 for Cars
Send to > Italy
1x Kit DC3000 for Cars
Send to > Italy
1x Kit DC2000 for Cars
Send to > Italy
1x Kit DC2000 for Cars
Send to > Italy
1x Kit DC2000 for Cars
Send to > Italy
1x Kit DC2000 for Cars
Send to > Germany
1x Kit DC2000 for Cars
Send to > Germany
1x Kit DC2000 for Cars
Send to > Germany
1x Kit DC2000 for Cars
Send to > France
1x Kit DC2000 for Cars
Send to > France
1x Kit DC2000 for Cars
Send to > France
1x Kit DC2000 for Cars
Send to > Italy
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