
Certified electrical engineering contractor for electrical installation, building automation, security technology, photovoltaics and e-mobility
Elektro Keßler GmbH
Bad WaldseeNew on Amplifa
About Elektro Kessler
Elektro Keßler GmbH is an owner-managed electrical contracting company headquartered in Bad Waldsee in Upper Swabia. Founded in 1960 by Willi Keßler, the company employs more than 90 staff and serves private customers, industrial and commercial clients, public administrations and public institutions in the region between Ravensburg, Friedrichshafen, Ulm and Sigmaringen. Its range of services covers high- and low-voltage installation, lighting technology, building automation (KNX, smart home), network and communication technology, photovoltaic and battery storage systems, charging infrastructure for e-mobility, and security technology including fire alarm systems compliant with DIN 14675. The offering spans planning and project engineering, installation and commissioning, through to maintenance, E-Check and DGUV V3 testing. As a master craft business, the company trains electronics technicians in energy and building technology and executes projects for customers such as motorhome manufacturers, insurers and banks.
- Site
- Bad Waldsee
- Processes
- Electrical installation (high- and low-voltage installation, cable support systems, cable laying,, Lighting installation (industrial hall lighting, office lighting, LED lighting controls, emergency, Building automation (EIB/KNX, visualisation/home server, smart home, Busch free@Home, smart grid,, Installation of communication systems and network technology (IT and network cabling, Installation of photovoltaic systems and power storage units, Security technology (alarm systems, intruder alarm systems, fire alarm systems, smoke and, Planning and installation of charging infrastructure for e-mobility (wallboxes, charging stations, Planning and project engineering of electrical systems
- Materials
- Electrical installation, Fire alarm systems (DIN 14675), Building automation, Photovoltaics and power storage, Charging infrastructure, Communication and network technology, Security technology, Testing and maintenance
- Certificates
- DIN 14675 (specialist contractor for fire alarm systems), DIN EN ISO 9001:2015, ISO 9001:2015, DIN 14675 (fire alarm systems, TÜV SÜD)
- Founded
- 1960
- Employees
- 90+
- Industries
- Industry, Public administration, Educational institutions, Hospitals and care facilities, Hotels, Residential complexes
- 01
Consulting and planning
- 02
Project engineering
- 03
Installation and assembly
- 04
Commissioning and acceptance
- 05
Maintenance, testing and servicing
Service Areas
Electrical installation
High- and low-voltage installation, cable support systems, switch and socket installation as well as surge and lightning protection for industry, administration and private households.
Fire alarm systems (DIN 14675)
Planning, installation, commissioning and maintenance of fire alarm systems of the Hekatron Integral IP and EvoxX system types.
Building automation
EIB/KNX, smart home, Busch free@Home, smart grid and smart metering for building automation.
Photovoltaics and power storage
Planning and installation of photovoltaic systems and battery storage for the use of renewable energy.
Charging infrastructure
Wallboxes and charging stations including load management, commissioning, maintenance and billing, primarily with systems from Mennekes, Alfen, ABL and E3DC.
Communication and network technology
IT and network cabling with copper and fibre optic cables as well as antenna and sound systems.
Security technology
Alarm systems, intruder alarm systems, video surveillance, access control, smoke and heat extraction systems as well as nurse call systems according to DIN VDE 0834-1.
Testing and maintenance
E-Check, DGUV V3 tests and thermography of electrical systems during ongoing operation.
Locations

Bad Waldsee
DEHead office and administration
- Materials
- Electrical installation, building automation, security technology, photovoltaics, e-mobility
- Workshop and warehouse
- Company vehicle fleet incl. electric vehicles
Reference Projects






Inside the production





Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Electrical installation (high- and low-voltage installation, cable support systems, cable laying,Assembly | – | – | – | – | – |
| Lighting installation (industrial hall lighting, office lighting, LED lighting controls, emergencyAssembly | – | – | – | – | – |
| Building automation (EIB/KNX, visualisation/home server, smart home, Busch free@Home, smart grid,Assembly | – | – | – | – | – |
| Installation of communication systems and network technology (IT and network cablingAssembly | – | – | – | – | – |
| Installation of photovoltaic systems and power storage unitsAssembly | – | – | – | – | – |
| Security technology (alarm systems, intruder alarm systems, fire alarm systems, smoke andAssembly | – | – | – | – | – |
| Planning and installation of charging infrastructure for e-mobility (wallboxes, charging stationsAssembly | – | – | – | – | – |
| Planning and project engineering of electrical systemsEngineering | – | – | – | – | – |
| Maintenance and servicing of electrical systems (E-Check, DGUV V3 testing, thermography, inspectionTesting | – | – | – | – | – |
| Planning, project engineering, installation, commissioning, acceptance and maintenance of fireAssembly | – | – | – | – | – |
Additional services
Reference customers
Quality and Certifications
The company operates with certified processes according to DIN EN ISO 9001:2015 and is certified by TÜV SÜD as a specialist contractor for fire alarm systems according to DIN 14675. Inspections are carried out by qualified persons, including in the context of E-Check, DGUV V3 and electro-thermographic examinations.
| Evidence | Bad Waldsee |
|---|---|
| ISO 9001:2015 | |
| DIN 14675 (fire alarm systems, TÜV SÜD) |
Company History
- 1960
Company founded in Bad Waldsee by Willi Keßler