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
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- Cristian N. Zülpich
- Enrique G. Lanciego
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- Paul R. CHAMPAGNE AU MONT D'OR
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- Anthony Q. PAPEETE
- Gherasim C. Wipfing-muckendorf
- Maximilian D. Leezen
- N. T. Ter Apel
Last Orders
Here you can view our last shipped orders.
1x 30A CCPWM Constant Current - Electronic Control - Pulse width modulator
Send to > Spain
1x HEC – Chip For Cars
Send to > Spain
1x Electrolyte. Potassium Hydroxide KOH
Send to > France
1x LCD Digital Anmeter Panel
Send to > United Kingdom
1x LCD Digital Anmeter Panel
Send to > United Kingdom
1x LCD Digital Anmeter Panel
Send to > United Kingdom
1x HHO Bubbler Tank
Send to > Germany
1x HHO Bubbler Tank
Send to > Germany
1x HHO Bubbler Tank
Send to > Germany
1x HHO Bubbler Tank
Send to > Germany
1x Water Level Control System
Send to > France
1x Water Level Control System
Send to > France
1x Water Level Control System
Send to > France
1x Kit DC3000 for Cars
Send to > Austria
1x Kit DC3000 for Cars
Send to > Austria
1x Kit DC3000 for Cars
Send to > Austria
1x HHO Water Tank 1.2L
Send to > France
1x HHO Water Tank 1.2L
Send to > France
1x HHO Water Tank 1.2L
Send to > France
1x HHO Water Tank 1.2L
Send to > Belgium
1x HHO Water Tank 1.2L
Send to > Belgium
1x HHO Water Tank 1.2L
Send to > Belgium
1x HHO Bubbler Tank
Send to > Belgium
1x HHO Bubbler Tank
Send to > Belgium
1x HHO Bubbler Tank
Send to > Belgium
1x Electrolyte. Potassium Hydroxide KOH
Send to > France
1x Electrolyte. Potassium Hydroxide KOH
Send to > France
1x Electrolyte. Potassium Hydroxide KOH
Send to > France
1x ECC140 12VDC 600W
Send to > Spain
1x ECC140 12VDC 600W
Send to > Spain
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