About us

Clean air. A better world.

At Hengst Air Filtration, we believe that filtration is not just about technology—it's about the future of the planet. As part of the international Hengst Group, we specialize in the development and manufacture of high-end industrial filters that are used in a wide range of industries, from healthcare and mobility to engineering and energy, as well as in households and demanding industrial applications.

We are a proud member of a third-generation family-owned company with over 60 years of experience in filtration. Our work is based on innovation, quality, and sustainability—because we know that even a small particle can have a big impact.

Hengst v číslech

3500+ zaměstnanců po celém svetě
23 poboček v 12 zemích
23 000+
produktů
500+
patentů

Our mission

Hengst Air Filtration Czech Republic s.r.o. is based in Liberec and is one of the group's key production plants. Here, we focus on the production of highly efficient industrial filters, product development, and logistics.

We specialize primarily in:

  • Pocket filters (made of synthetic and glass fibers)
  • HEPA filters with hot-melt adhesive
  • Filters with aluminum separators (including HT versions)
  • Testing according to EN1822 and ISO16890 standards

Our production capacity:

  • 450,000 pocket filters per year
  • 79,000 hot-melt filters per year
  • 21,000 Al-separator filters per year

All products undergo rigorous testing to ensure their reliability even in the most demanding operations.

Vývoj firmy v Liberci

1909

Založení společnosti DELBAG (Deutsche Luftfilter-Baugesellschaft) v Německu

1954

Vznik národního podniku LVZ – Liberecký vzduchotechnický závod

1992

Privatizace a začlenění do koncernu GEA AG pod názvem LVZ a.s.

1993

Přesun výroby sáčkových filtrů a Al-separátorů do Liberce

2000 - 2001

Přesun výroby HEPA filtrů a laboratoře z Berlína do Liberce

2004

GEA AG se stává 100% vlastníkem, firma přejmenována na GEA LVZ a.s.

2014

Akvizice GEA divize vzduchotechniky skupinou Triton

2015

Firma získává nové jméno DencoHappel

2016

Sloučení s Fläkt Woods, vznik skupiny FläktGroup

2018

Začlenění do skupiny Hengst SE, vzniká Hengst Air Filtration Czech Republic s.r.o.

Certifikace a kvalita

ISO 9001:2015

ISO 9001:2015

systém řízení kvality

ISO 14001:2015

ISO 14001:2015

environmentální management

AQAP 2110 (ČOS 051672)

AQAP 2110 (ČOS 051672)

zajištění kvality pro NATO

EUROVENT

EUROVENT

certifikace produktů

Hengst H

Sustainability

At Hengst, we build on innovation, quality, and environmental responsibility. Our goal is to develop cutting-edge filtration while being as gentle on the planet as possible.

Our commitments for 2030:

  • 100% green electricity in all plants by 2024
  • No natural gas and an emission-neutral fleet by 2030
  • Own energy production - solar panels in China and Germany

Eco-friendly products

  • Filters made from recycled plastics
  • System Energetic solution®  – an economical and sustainable alternative to spin-on filters
  • Hengst Sustainability Award 2023

Filtration for a better future – not just what we do, but how we do it.

#filtrationforfuture