
Electrical engineering company for electrical installations, photovoltaics, heat pumps and intelligent building technology based in Friedberg

Elektrotechnik Treffler GmbH & Co. KG
Münchner Straße 6, 86316 Friedberg · Joseph-Baur-Straße 14, 86316 FriedbergNew on Amplifa
About Elektro Treffler
Elektrotechnik Treffler GmbH & Co. KG is a family business from Friedberg near Augsburg, now in its third generation since 1966. The company with more than 40 employees implements electrical installations in new and existing buildings as well as photovoltaic systems with electricity storage, including planning, installation, commissioning and system monitoring. The range of services also includes heat pumps, wallboxes and charging stations for electric vehicles, lighting systems, KNX and intelligent building technology, network technology, satellite and antenna construction, E-Checks, video surveillance and intercom systems. The offering is complemented by a specialist store for electrical appliances from well-known brands, with advice, delivery, installation and customer service as well as repairs. Locations are the retail store at Münchner Straße 6 and, since 2018, a new building with administration, warehouse and showroom at Joseph-Baur-Straße 14 in Friedberg. The company mainly serves private customers and is a chamber-association training company with five master craftsmen, 25 electrical fitters and ten apprentices.
- Site
- Friedberg
- Processes
- Photovoltaics (planning, installation, commissioning, system monitoring, PV systems with storage), Electrical installation in existing and new buildings, Heat pump installation, Wallboxes / charging stations for electric vehicles, Lighting / lighting systems, KNX digital home installation / smart home, Network / IT data network technology, Satellite and antenna construction / SAT systems
- Materials
- Photovoltaic panels (approx. 20,000 m² installed), Battery technology / PV electricity storage, Photovoltaic Panels, Battery Technology / PV Electricity Storage
- Founded
- 1966
- Employees
- 40+
- Industries
- Private customers (new and existing buildings)
- 01
Consulting and Planning
- 02
Installation/Assembly
- 03
Commissioning
- 04
System Monitoring and Customer Service
Technologies & Components
Photovoltaic Panels
Over 20,000 m² of installed module area for solar power systems on the roofs of private buildings.
Battery Technology / PV Electricity Storage
Storage systems for self-consumption optimization, also with integration of heating systems.
Locations

Friedberg, Münchner Straße 6
DECompany headquarters, retail store for electrical appliances with advice and customer service
- Specialist store for electrical appliances

Friedberg, Joseph-Baur-Straße 14
DEAdministration, warehouse and showroom (since 2018)
- Showroom for smart home, lighting, video surveillance and intercom systems
Services & Systems



Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Photovoltaics (planning, installation, commissioning, system monitoring, PV systems with storage)Assembly | – | – | – | – | Photovoltaic panels, Battery storage |
| Electrical installation in existing and new buildingsAssembly | – | – | – | – | – |
| Heat pump installationAssembly | – | – | – | – | – |
| Wallboxes / charging stations for electric vehiclesAssembly | – | – | – | – | – |
| Lighting / lighting systemsAssembly | – | – | – | – | – |
| KNX digital home installation / smart homeAssembly | – | – | – | – | – |
| Network / IT data network technologyAssembly | – | – | – | – | – |
| Satellite and antenna construction / SAT systemsAssembly | – | – | – | – | – |
| E-CheckTesting | – | – | – | – | – |
| Intelligent building technology / video surveillance systems / intercom systemsAssembly | – | – | – | – | – |
| Integration of heating systems for self-consumption optimization / PV electricity storageAssembly | – | – | – | – | Battery technology |
3 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Wallboxes / charging stations | – | – | – | – | Friedberg |
| Heat pumps | – | – | – | – | Friedberg |
| Charging devices / electrical appliance service | – | – | – | – | Friedberg |
Additional services
Company History
- 1966
Founded by Thomas Treffler senior and his wife Anni in Rinnenthal
- 1970
Relocation to Münchner Straße 6 in Friedberg
- 2001
Thomas Treffler junior takes over the management
- 2008
Stefan Deininger joins the management team
- 2012
Philipp Treffler joins the family business
- 2018
Philipp Treffler completes his master craftsman examination as top of his class in Munich; relocation to the new building at Joseph-Baur-Straße 14
- 2020
Death of the senior boss Thomas Treffler senior
- 2023
Foundation of Elektrotechnik Treffler GmbH & Co. KG