Guide
Here you will find valuable tips on window drives and building automation
Drive chains for window drives: types, construction and selection
In chain drives, the real work is done by an often overlooked component: the drive chain. It pushes and pulls the window sash and...
Retrofitting skylights: Drive solutions for industrial buildings
Many industrial and commercial buildings from the 1980s to the 2000s have skylights that are either still manually cranked or whose...
RWA vs. NRWG: What is the difference?
In tenders and product data sheets, the terms RWA and NRWG often appear in the same sentence – and are frequently used synonymously...
What is a smoke and heat exhaust ventilation system (SHEVS)? Abbreviation, function and structure explained simply.
Building owners, architects and facility managers repeatedly encounter the term smoke and heat exhaust ventilation system (SHEVS) when planning windows and facades – often without...
How to properly install an electric window drive: 5 points for a reliable installation
Whether it's a smoke and heat exhaust ventilation system or daily window ventilation: The lifespan and reliability of an electric window drive depend crucially on...
How loud is an electric window drive when in operation?
When planning smoke and heat exhaust ventilation (SHEV) and ventilation systems, tradespeople and architects often ask about the operating noise of electric window drives...

Quality criteria for window drives
Concepts 2026: Quality criteria for window drives determine technical quality, adherence to deadlines, etc. in construction and modernization projects...

The installation situation as a technical foundation
Concepts 2026 In 2026, modernization, efficiency, and clean technical integration are more in focus than ever in many projects....

When electric window drives make sense
Concepts 2026 This year, modernization, energy efficiency, and operationally reliable ventilation concepts are increasingly moving...
