
Shaping Modern Interiors
We design architectural diffusers that merge aesthetics, innovation, comfort, and timeless functionality.
About Us

Our Vision
We believe ventilation diffusers and grilles should be as aesthetically pleasing and durable as possible.
We understand how much you care about your design. That’s why we ensure the highest quality standards of our products, so you can be confident that Ventmann linear grilles and air diffusers are an excellent choice.
A hidden diffuser will mean that the eye will be drawn to what's important - your design.

Our Products
Manufactured in linear, round and square we have a solution for almost every situation. Our linear diffusers can be connected end to end to allow a continuous line across the entire surface whilst providing full-width air flow. We are very proud to announce that our latest range of coanda diffusers have won the prestigious Red Dot design award.

Our Service
Ventmann diffusers are much more than an interior design solution: they are engineered to deliver comfortable airflow exactly where you need it most. For our detailed technical specifications and installation guide, download our full catalogue now. The catalogue shows our slot linear diffuser range first, then other ceiling diffuser types of architectural grille for use in commercial and residential designs.
Blog posts

What Is a Linear Diffuser? Everything You Need to Know
In modern interior design and HVAC (Heating, Ventilation, and Air Conditioning) systems, linear diffusers have emerged as a go-to solution for spaces that demand both style and functionality.

Air Ventilation Grilles: Elegant Design Meets Engineering Performance
In today’s built environments, maintaining excellent indoor air quality is essential for health, comfort and regulatory compliance.

Plaster Air Vents: The Ultimate Guide by Ventmann
Plaster air vents are flush-mounted ventilation grilles designed to blend seamlessly into walls or ceilings that are finished with plaster. Unlike traditional bulky plastic or metal grilles, plaster air vents ...