Stay off-grid
- Solar systems
- Lithium batteries
- Inverters & charging boosters
- Tank & energy monitoring
MOTORHOME UPGRADES · TWO WORKSHOPS IN GERMANY
We make your motorhome self-sufficient.
Home is where you park it. Solar systems, lithium batteries, climate technology and more—planned, installed and handed over with German craftsmanship.
30 yearsexperience
2workshops
DCHVcertified
700 m²workshop hall
UPGRADES THAT MAKE A DIFFERENCE
Choose your goal—we provide the technology.
JULIANS ORIGINAL
Premium off-grid package
- 2 × 120 W Back-Contact-Module
- Victron MPPT with Bluetooth
- Complete accessories
- Professional installation
HOW IT WORKS
Your upgrade in four steps.
01
Consultation
We listen, inspect your vehicle and discuss how you travel.
02
Planning
You receive a tailored concept with a transparent fixed price.
03
Installation
Installed to current standards in our workshop.
04
Handover
A personal walkthrough of every installed system.
REAL PROJECTS
Upgrades that make a difference on the road.
CUSTOMER REVIEWS
Trust built on experience.
“You arrive as a customer and leave as part of the family—advice and installation were first class.”
Customer from NRW
“Solar system and lithium battery perfectly installed, with everything clearly explained at handover.”
Customer from Bavaria
“Honest advice instead of sales pressure. Exactly what a specialist workshop should be.”
Customer from Cologne
TWO WORKSHOPS · ONE STANDARD
Find us in NRW and Bavaria.
Nordrhein-Westfalen
GNS Reisemobiltechnik
Alsstr. 123 · 41063 Mönchengladbach
+49 2161 466 73 88View location
FREQUENTLY ASKED QUESTIONS
What to know before installation.
How long does an upgrade take?
Smaller installations are often completed in a day; complete off-grid packages may take one to three working days.
Do I need an appointment?
Yes. This ensures your vehicle goes straight into the workshop and all components are prepared.
Do you work on all brands?
We plan independently of manufacturer and inspect each vehicle individually.
Ready for more independence on the road?
We usually reply within one working day.