Like the air you breathe

As a long-standing specialist in air-conditioning and thin sheet metal technology, we offer you innovative thin sheet metal constructions for your individual project.

Intelligent ventilation systems

We offer you the ideal solution for your project. We support you with our innovative designs, quality and many years of expertise.

A team full of professionals

From the idea to the planning to the implementation - our well-coordinated team successfully puts your project into practice.

satisfied customers

Ventilation systems, sound insulation and much more

Your partner for ventilation systems & sound protection

Expertise, quality, customer proximity and adherence to deadlines: these are the expectations our customers have of us when they approach us with new projects. We ourselves need these quality standards like the air we breathe - so they serve as a daily incentive to fulfil our requirements perfectly and permanently.

Warm air, cold air, fresh air, exhaust air: buildings need to breathe in order to fulfil their functions perfectly and permanently. Our job is to create the right ways for this to happen. This attitude has made us a recognised specialist for air conditioning and precision sheet metal technology. Experience innovative solutions for a successful future together with us.

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our products

We offer quality products for clean air

Duct components folded | BLH Lüftungstechnik

Our air ducts

Folded ventilation ducts, MX smoke extraction ducts

Welded ventilation ducts & pipework

Welded piping & fittings

Welded ventilation ducts, Welded pipelines

Spiral ducts | BLH Lüftungstechnik Hennen

Spiral duct & fittings

Standard version spiral ducts

Splitter sound insulators | BLH Lüftungstechnik

Scenery & sound insulators

Sound insulators, splitter design & types, base sound insulators

Louvre bonnet | BLH Ventilation Technology

Air Diffusers & Attachments

Flat roof bases, deflector bonnets, roof penetrations, rain collars, weather protection grilles. Lamella hoods

Tower roof variants-1 | BLH Lüftungstechnik Hennen

Ventilation Towers, Intake & Exhaust Chimneys

BLH lamella chimneys, tower roof variants, construction variants

We ensure clean air.
We believe in quality work.
We work for our customers.

current projects

Our latest projects presented

Ventilation towers

New ventilation towers for the University of Trier

inTake / outTake ventilaTion tower

New ventilation tower for the sports hall in Ensdorf

Ventilation tower

New ventilation tower at the Perler indoor swimming pool

a career with us

Start with us in your dream job

Our personal claim: The perfect workflow from design to production in our high-tech machinery.
We combine not only the best quality and reliability, but also an innovative and dynamic corporate culture. You too can become part of our well-coordinated team.