KNX bus
Lighting, blinds, heating and life scenarios, on an open, interoperable standard.
Our know-how
Complete ownership of your installation.
HED combines study, cabling, programming, commissioning and supervision to limit breaks in accountability and secure the result. Based in Lyon, the team works across France (80% of projects) and Europe (20%) — from targeted installations to large-scale projects, from €20,000 to over €500,000.
Study & technical design
Decide with a clear view.
We turn your needs into an installation that is feasible, costed, planned and interoperable.
Technical auditAssessment of the existing setup, uses and building constraints.
System designChoice of protocols, brands and network architecture.
Costing & optimizationCost estimating and evidence-based technical trade-offs.
Bespoke developmentCustom scenarios and integrations specific to your project.
Implementation follow-upMonitoring progress, quality and deadlines.
Client supportA single point of contact, from first blueprint to commissioning.
Automation & comfort
Installations built to last.
We carry out or manage the systems required, with the same level of rigor on technique, reliability and coordination.
Audio-video & cinema
Multiroom, video distribution, private home cinema and unified control.
Intelligent energy
Consumption management, self-consumption, EV charging and load shedding.
Network & security
The infrastructure that makes everything else possible.
Network & connectivity
Structured cabling, professional WiFi, segmentation and satellite connectivity.
Security & access
IP video protection, access control, intrusion detection and intercom.
Electrical
Creation, adaptation and safety upgrades of electrical installations.
Supervision
Visibility and alerts across every connected system.
Need a single point of contact?
We frame your needs and organize all the skills required.