0

The company

LEHMANN-German Cleaning Systems has been around since 1977 and as an owner-managed, medium-sized company, we serve satisfied customers worldwide. We develop high-quality and durable products and stand for maximum reliability and personal service.

We use our many years of experience to continuously improve our products to make the work of professionals in glass, façade and solar panel cleaning effective and safe. Our joint endeavour to develop effective cleaning concepts enables you to use less and less water, energy and cleaning agents.

Learn more

Hanns-joachim Supthut
HANNS JOACHIM Supthut
OWNER

Applications

Proven solutions for all professional cleaning
requirements – Lehmann products and systems
make you successful in your job every day.

45

Countries
 

500

Products
 

47

Years on the market

"I am
delighted with the
many possibilities,
that the mobile
QLEEN cleaning systems
have offered me."

Reinhold Schäfer
Building cleaner
Hamburg
"I never
thought it would
be so easy at a
height of 20 metres
to work without
a pallet truck."

Elias Pichler
Building cleaner,
Vienna
"Today
we clean
200 MW of
solar module
surfaces with QLEEN
cleaning systems."

Carlos López
Manager of a solar park,
Valencia

News

News from the areas of production, delivery and promotions.
Stay up to date.

CMS trade fair in Berlin 2023

CMS trade fair in Berlin 2023
Nov 21, 2023

The CMS in Berlin 2023 
was a complete success. 
Thanks to all visitors 
and see you next time!
Your Lehmann Team

Photovoltaic system

Photovoltaic system
Jun 28, 2023

We not only have the 
equipment for optimising 
the cleaning of photovoltaic 
systems, but now also our 
own PV system…

Interclean Amsterdam

Interclean Amsterdam
May 20, 2022

Lehmann KG mit den Marken LEWI und QLEEN auf der Interclean Amsterdam 2022. Nach so langer Zeit konnten wir wieder in den Austausch mit Interessenten, Geschäftspartnern und Freunden gehen.

Die Messe war wie in den Jahren zuvor eine tolle und interessante Anlaufstelle. Wir freuen uns schon jetzt auf die nächsten Messen. Euer Lehmann Team

Interclean Amsterdam Interclean Amsterdam Interclean Amsterdam