What Elsner Elektronik does

Elsner Elektronik GmbH is a privately held, family-managed German manufacturer of building-automation hardware, founded in 1992 and headquartered in Ostelsheim, Baden-Württemberg. The company designs and produces sensors, actuators, room controllers, touch panels, weather stations, and wireless control devices built primarily around the KNX bus protocol, with additional support for RS485, Modbus, and conventional two-wire systems. Its product lines include the eTR and Cala room-controller series, the Windancer weather stations, a broad KNX actuator family (switching, shutter, blind, window, motor control), and the recently introduced Solexa Home wireless shading system. Differentiated features include KNX Data Secure compliance and a Smart Linking commissioning tool, and the company holds ISO 9001 and ISO 14001 certifications.

The company addresses automated shading, HVAC, lighting, and weather-responsive control for both residential and commercial/administrative buildings. Its go-to-market is hybrid: a direct-to-consumer e-commerce storefront available in five European languages (German, English, French, Italian, Spanish) and shipping to 30+ European countries, combined with a B2B partner network (Elsner Partnernetzwerk) that serves professional installers and system integrators, supported by an internal direct sales team. Pricing is unit-based on hardware, ranging from roughly €79.50 for accessories to €507 for flagship weather stations, with no disclosed recurring subscription component. Revenue mechanics therefore depend on unit volume across the installer channel and direct online sales, with customer concentration risk inherently low given the absence of named anchor accounts. The company is led by three family Managing Directors (Bastian Elsner, Jutta Elsner, Lina Elsner), has 51-100 employees, and does not disclose revenue, funding, or M&A activity.

Name

Elsner Elektronik

Legal name

Elsner Elektronik GmbH

Website

https://elsner-elektronik.de

Company type

Private

Founded year

1992

Operating status

Operating

Headcount range

51–100 employees

Short description

Elsner Elektronik GmbH is a family-owned German manufacturer of KNX-based building automation hardware — sensors, actuators, room controllers, weather stations, and wireless shading systems — serving residential and commercial customers across 30+ European countries via e-commerce and an installer partner network.

Ownership category

akta.pro rank

Product category

Building Automation Electronics

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Other Measuring and Controlling Device Manufacturing (334519), Relay and Industrial Control Manufacturing (335314)

SIC

Auto Controls For Regulating Residential & Comml Environments (3822), Electric Lighting & Wiring Equipment (3640), Industrial Instruments For Measurement, Display, And Control (3823)

akta.pro primary industry

Smart Thermostats & HVAC Controls Retail (CRAIAMAC)

akta.pro secondary industries

Smart Lighting & Electrical (Bulbs, Switches, Outlets, Panels) (HSAPAQAC), Smart Lighting & Controls Retail (Smart Switches, Dimmers, Hubs) (CRAIAHAF), Smart Home Sensors & Monitoring (Motion, Leak, Smoke/CO, Environmental) Retail (CRACAGAJ), Smart Sensors Retail (Motion, Contact, Leak, Smoke/CO, Air Quality) (CRAIAMAH)

Keywords

• Building automation hardware
• KNX bus systems
• Room controllers
• Weather sensors
• Shading control systems

Headquarters

HQ city

Ostelsheim

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Personnel, Operations, Technology or R&D, Marketing or Sales, Infrastructure

Revenue model

1. Hardware Product Sales: Primary revenue stream from selling KNX sensors, actuators, controllers, touch panels, weather stations, and building automation hardware products through online shop and partner network. Products are sold as one-time purchases with no recurring subscription required.
2. Accessories and Spare Parts: Sales of accessories, replacement parts, interference filters, power supplies, and mounting accessories for building automation systems

Pricing tiers

Go-to-market motion2 records

Distribution channels3 records

Marketing channels6 records

Core offering

Elsner Elektronik manufactures and sells building automation electronics for smart homes and intelligent buildings, including KNX sensors, actuators, room controllers, touch panels, weather stations, power supplies, interfaces and accessories. Its products support KNX, RS485, Modbus, conventional two-wire and wireless/radio systems for shading, HVAC, lighting, window control and weather monitoring.

Product overview

Elsner Elektronik is a building automation specialist with over 30 years of experience developing sensors, controllers, and interfaces for KNX systems and related protocols. Their product portfolio is organized around three main categories: (1) KNX bus systems including wall-mounted buttons and room controllers (eTR and Cala series), touch panels, weather stations (Windancer), various actuators (switching, shutter, blind, window, motor), power supplies, interfaces, RF wireless devices, and accessories; (2) additional bus systems supporting RS485, Modbus, and conventional two-wire protocols; and (3) standalone control systems including building controls, the Solexa Home wireless system, radio modules, and terrace/glass roof controls. They also offer installation technology products like power supplies and isolation relays. The company serves residential buildings through administrative and commercial buildings, focusing on automation of sun shading, heating, ventilation, and lighting.

Differentiator

Problem solved

Functional benefit

Brands

• Solexa Home: A radio system for automated shading control with integrated sensor technology, local control without cloud, and simple setup.
• Elsner Academy

Products and services

• KNX buttons, room controllers and sensors [KNX Taster, Raumcontroller & Sensoren]
• eTR Secure Series
• Cala Series [Serie Cala]
• KNX touch panels
• KNX weather stations and weather sensors [KNX Wetterstationen und Wettersensoren]
• KNX actuators [KNX Aktoren]
• KNX power supplies [KNX Spannungs-Versorgungen]
• KNX interfaces and inputs [KNX Schnittstellen, Eingänge]
• KNX RF wireless devices [KNX RF Funk]
• KNX accessories [KNX Zubehör]
• RS485 sensors [RS485-Sensoren]
• Modbus sensors [Modbus-Sensoren]
• Conventional two-wire sensors [Zweidraht-Sensoren]
• Building control systems [Gebäudesteuerung]
• Simple Home [Einfach Zuhause]
• Radio modules [Funk-Module]
• Solexa Home
• Terrace and glass roof controls [Terrasse und Glasdach]
• Power supply units [Netzgeräte]
• Isolation relays [Trennrelais]
• Windancer 2.0 GPS KNX sec
• Windancer basic W GI
• Rainswitch 1000 R GI
• SF-ST interference filter
• eTR 103 AC KNX sec
• Cala 101 T KNX sec

Segments4 records

Ideal customer profiles4 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration4 records

Feature4 records

Scale indicators2 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• Siemens: Global automation incumbent with KNX-compatible product lines (Synco, GAMMA instabus). Direct overlap on commercial HVAC/lighting controllers and weather sensors.
• Hager: Major European electrical systems group offering KNX-compatible products (tebis/domovea) alongside a much broader portfolio of distribution boards and wiring accessories. Overlaps with Elsner in KNX room controllers but at far greater scale.
• ABB: Global industrial and building automation giant offering ABB i-bus KNX alongside extensive BMS portfolios. Competes in commercial building automation tenders where Elsner also bids.
• Schneider Electric: Global energy management and automation leader offering KNX/Wiser and SpaceLogic products. Overlaps with Elsner in commercial and residential KNX segments but operates at vastly larger scale.

Emerging players

• tado°: German smart heating/thermostat company with consumer-grade smart home products. Comparable end-customer focus (DACH residential), but more software/app-centric versus Elsner's hardware depth.
• Loxone: Austrian smart home automation specialist with proprietary Miniserver ecosystem and strong installer program. Partial overlap with Elsner in residential shading, lighting, and HVAC control.

Direct peers

• Gira: German KNX specialist manufacturing switches, room controllers, sensors, and actuators. Closest direct competitor to Elsner in the mid-size German KNX manufacturing segment with overlapping product portfolios.
• Jung: German premium KNX manufacturer of switches, dimmers, sensors, and room controllers. Directly comparable product depth, design-led positioning, and B2B installer channel focus.
• MDT technologies: German KNX actuator and sensor specialist focused on installer-grade products at competitive price points. Highly comparable in product mix (actuators, sensors, weather stations) and target customer.
• Theben: German manufacturer of KNX presence detectors, dimmers, and HVAC controllers. Comparable as a specialist KNX supplier serving European installers and OEMs with overlapping sensor/controller SKUs.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• YouTubeyoutube.com/user/elsnerelektronik
• Facebookfacebook.com/elsnerelektronik
• LinkedInlinkedin.com/company/elsner-elektronik-gmbh
• Instagraminstagram.com/elsnerelektronik

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Elsner Elektronik