Develops and manufactures Swiss building automation and smart-home systems based on the TWILINE bus system.

W. Wahli AG

3018 Bern · SwitzerlandNew on Amplifa

1944Founded

BernHeadquarters and production

TWILINEProprietary two-wire bus system

Swiss MadeDevelopment and manufacturing in Switzerland

About TWILINE

W. Wahli AG, headquartered in Bern, is a Swiss technology company that develops, manufactures and supports intelligent building automation, smart-home and shading solutions under the TWILINE brand. The product portfolio includes web server controllers (Bluebox), DALI gateways for lighting control, multi-channel roller shutter actuators and weather couplers with sensors for wind, rain, temperature, sunlight and twilight. At the core of the systems is the proprietary two-wire TWILINE bus system with the xBus communication platform. Founded in 1944 as a mechanical workshop in Bümpliz, the company initially established itself in the textile industry and moved into electronics and building automation from the 1980s onwards. The products are developed and produced entirely in Switzerland and are used in private homes, residential units, offices, schools, public buildings and the hospitality sector.

Site: Bern
Processes: Building automation, Smart Home, Shading control (roller shutter control), Lighting control / DALI integration, Energy management, Visualization and operation, Project planning and consulting from concept to implementation, Trainings for integrators
Materials: Electronics manufacturing, xBus / xTool, DALI integration
Founded: 1944
Industries: Residential construction (private and residential units), Commercial and offices, Municipal buildings (schools, public buildings), Hospitality (hotels, restaurants), Custom special projects, Private (residential houses, residential units)

01
Engineering and development
02
Electronics production
03
Software development (xBus, xTool)
04
Project planning and consulting
05
Sales via solution partners
06
Training and remote support

Products and Technologies

ELEKTRONIK

Electronics manufacturing

In-house production of web servers, actuators, gateways and weather couplers in Bern.

SOFTWARE

xBus / xTool

Proprietary communication platform and programming tool for system integration.

DALI

DALI integration

Gateways for seamless connection of DALI-compatible luminaires.

Locations

Bern

Headquarters with development, production and administration

Materials: Electronics, building automation systems

Electronics production

Products

**Web Server Bluebox Controller**Building automation · Central control

**DALI Gateway**Lighting control · Commercial and residential

**Roller Shutter Actuator 6-fold**Shading control · Smart Home

**Weather Coupler**Weather automation · Shading protection

Inside the production

Industries

Residential construction (private and residential units)Commercial and officesMunicipal buildings (schools, public buildings)Hospitality (hotels, restaurants)Custom special projectsPrivate (residential houses, residential units)Municipal (schools, public buildings)

Additional services

Building automationSmart HomeShading control (roller shutter control)Lighting control / DALI integrationEnergy managementVisualization and operationProject planning and consulting from concept to implementationTrainings for integratorsRemote supportWeather coupling with sensors for wind, rain, temperature, sunlight and twilight

Reference customers

Gässliacker Foundation – Center for Age and Health, Nussbaumen (AG)University of Zurich – Library of the Faculty of LawChris Sport, EschlikonAllani Children's Hospice, Riedbach BESchützenmatt School, AeschPfaffechappe School BadenHof zu WilExclusive apartments premium segment, Remetschwil

Company History

1944
Founding of W. Wahli AG by Werner Wahli as a small mechanical workshop in Bümpliz, focusing on mechanical counters.
1950er
Establishment in the textile industry and steady growth.
1980er
Technological leap with the EZA, the first electronic counting and display device; shortly afterwards, the foundation of building automation with the modular shading control system of the SAE brand.
1991
Development and market launch of the two-wire TWILINE® bus system; W. Wahli AG acquired the trademark rights and relocated R&D and production to Bern.
2000er
Breakthrough of the second TWILINE generation with PC programming, the TP-1 touch panel and web visualizations.
2012
Introduction of xBus as a powerful communication platform.
2016
Market launch of the fourth TWILINE generation with the xTool programming tool.
2018
Introduction of the DALI gateway for flexible lighting control.
2025
Announcement of the next TWILINE generation with an expanded software portfolio.