Inspiring Modern Interiors
Design Showcase
Explore Ventmann’s Design Showcase, featuring innovative architectural diffusers that blend superior airflow performance with timeless, modern interior aesthetics.
Our Products
Ventmann products redefine airflow with elegant architectural diffusers designed for modern interiors. Our diffusers combine performance and style, seamlessly blending into any space. From minimalistic line diffusers to refined circular designs, each product showcases innovation and quality. Discover how Ventmann elevates ventilation with aesthetics, comfort, and timeless interior harmony.
PLine/Line
Ventmann’s PLine/Line diffusers redefine modern interiors with minimalist design and flawless airflow distribution. Engineered for seamless integration, these architectural diffusers combine elegance and performance, enhancing both aesthetics and comfort. Discover how PLine/Line solutions elevate contemporary spaces, delivering style and efficiency for architects, designers, and modern living environments.
Circle/Square
Ventmann’s Circle and Square diffusers redefine airflow with minimalist elegance. Perfect for modern interiors, these architectural diffusers ensure seamless integration, optimal performance, and timeless design. Whether round or square, each diffuser enhances comfort while complementing contemporary spaces. Discover functional beauty with Ventmann’s innovative diffuser solutions.
Blog posts
Frameless Ventilation Valves: The Complete UK Guide (Round, Square & Linear)
A frameless ventilation valve has no visible rim: the body is plastered into the ceiling and the face finishes flush. Sizes, airflow rates, Part F duties and how to install one.
Free HVAC Tools & Engineering Resources: 8 Calculators Worth Bookmarking
Eight free, browser-based HVAC tools worth bookmarking — cooling load, Part F ventilation and duct sizing calculators, refrigerant pre-charge, silencer selection, psychrometrics and more. No login needed.
Acoustic Box vs Thermo Box: Which Plenum Does Your Slot Diffuser Need?
Acoustic Box (GTG) or Thermo Box (VTBOX)? How Ventmann’s two plenum boxes differ — top entry vs side entry, noise reduction vs insulation — and which one your linear slot diffuser needs.