Products
Components for ventilation & soundproofing
Components for large ventilation systems —
from planning to on-time delivery.
from planning to on-time delivery.
Product families
Our range at a glance
Our ventilation system starts with high-quality components. In our own production facility, we develop and manufacture everything from standard sizes to customized special solutions.
Air ducts & smoke extraction systems
Bent air ducts, MX smoke extraction ducts, molded parts and special sizes — manufactured tightly, stably and precisely to your specifications.
Air vents & roof hoods
Flat roof supports, deflector hoods, roof vents, rain collars, weather protection grilles, louvred hoods — for uniform air distribution and the best possible room air quality.
Silencers & silencers
Silencers, baffles and enclosures for ventilation systems and industry – reduce the sound level efficiently and flow-technically optimized.
Welded ventilation ducts & pipelines
Welded air ducts, welded pipes — tightly welded for higher pressures, aggressive media and long service life.
Ventilation towers, intake and exhaust ducts
Ventilation towers, intake and exhaust ducts – manufactured specifically for the project and tailored to the air volume, installation situation and technical requirements.
Special constructions
We build what others build
Deny.
Air outlet covers, machine and filter housings, soundproofing enclosures, covers, special ducts, containers. Process air components or your complex steel sheet structures without a name –
we design and build it.
Own department for special constructions
From the idea to the construction and the finished component
Can also be implemented for complex, individual requirements
Pre-assembled, disassembled or supplied packaged for export
Why BLH
Three reasons for our manufacturing process
Own production
No intermediate processing: We manufacture in Trier-Pfalzel — using modern CNC technology and short distances between planning and the factory floor.
1
Custom-made instead of a catalog
Each component is created for a specific project. Special sizes and complex geometries are common at our company.
2
Timely delivery
What BLH stands for is also what they deliver — on time and without fuss or bother. Customers have relied on this reliability for years.
3
Contact
Let's talk about your project.
Schedule an appointment with us now – Ventilation with a system
Whether it’s an initial idea or a concrete project – we will advise you personally and together find the appropriate solution. Within two working days, we will get back to you.