
Planning, installation and maintenance of fire alarm, smoke and heat extraction (RWA) and security systems for buildings in the Rhine-Main region since 1926.

Bretz & Hufer Gebäudesystemtechnik GmbH
Frankfurt a.M. (Sossenheim) · Sulzbach a.M. · Hanau am MainNew on Amplifa
Specialist company for security and building systems technology since 1926
Bretz & Hufer Gebäudesystemtechnik GmbH is an owner-managed specialist company for electrical and security technology with headquarters in Frankfurt am Main (Sossenheim) and Sulzbach am Main as well as a planning site in Hanau. Founded in 1926 and with around 60 employees, the company plans, installs and tests security systems in buildings: fire alarm systems, smoke and heat extraction systems (RWA), voice alarm systems, intrusion detection systems, video surveillance, public safety agency (BOS) building radio systems, fire door hold-open systems, fire protection curtains, access control systems, digital locking systems as well as electrical installation and network technology. The value chain covers consulting, CAD planning and project engineering, installation, commissioning as well as maintenance and service including 24-hour standby coverage 365 days a year. Customers include industrial clients, municipal customers, banks, insurance companies, property management companies as well as schools, kindergartens and private customers in Hesse, Bavaria and the neighboring federal states. References include Messe Frankfurt, Heraeus, WIKA, BRITA SE and the Industrie Center Obernburg.
- Site
- Frankfurt a.M.
- Processes
- Fire alarm systems (planning, installation, maintenance), Smoke and heat extraction systems (RWA), Voice alarm systems (SAA), Intrusion detection systems (EMA), Video surveillance systems, Public safety agency (BOS) building radio systems, Access control systems, Digital lock cylinders / locking systems
- Materials
- Fire alarm systems, Smoke and heat extraction systems, Voice alarm systems, Intrusion detection systems, Public safety agency (BOS) building radio systems, Access control and digital locking systems, Video surveillance systems
- Certificates
- VdS certification DIN EN ISO 9001, VdS certification fire alarm systems (DIN 14675), VdS certification voice alarm systems (DIN 14675), VdS approval for RWA system installation, ISO 9001 (VdS-certified), DIN 14675 fire alarm systems, DIN 14675 voice alarm systems, VdS approval RWA installation, Certified BOS building radio installer
- Founded
- 1926
- Employees
- 60
- Industries
- Industrial customers, Municipal customers, Banks, Insurance companies, Property management, Retail stores
- 01
Consulting and needs analysis
- 02
CAD planning and project engineering
- 03
Assembly and installation
- 04
Connection and commissioning
- 05
Operator training
- 06
Maintenance, testing and 24h service
Service areas and systems
Fire alarm systems
Early fire detection systems in accordance with DIN VDE 0833, DIN EN 54, DIN 14675 and VdS 2095 with alarm forwarding to the fire department.
Smoke and heat extraction systems
Keep escape routes clear in the event of fire and enable rescue and firefighting operations.
Voice alarm systems
Alert people in buildings for fast and orderly evacuation.
Intrusion detection systems
Configurable systems from private households to large enterprises with silent alarm.
Public safety agency (BOS) building radio systems
On-site radio for uninterrupted communication of public safety agency facilities.
Access control and digital locking systems
Management of access rights with real-time logging of entry and exit.
Video surveillance systems
Stationary and mobile cameras as well as digital recording for gapless site surveillance.
Locations

Frankfurt a.M. (Sossenheim)
DEHeadquarters with office, warehouse, workshop
- Materials
- Security technology, electrical engineering
- Workshop
- Warehouse

Sulzbach a.M. (Aschaffenburg)
DELocation with office, workshop and warehouse (since 2015)
- Materials
- Security technology, electrical engineering
- Workshop
- Warehouse
Hanau am Main
DELocation with CAD planning and project management (since 2021)
Systems and installations



Inside the production



Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Fire alarm systems (planning, installation, maintenance)Assembly | – | – | – | – | – |
| Smoke and heat extraction systems (RWA)Assembly | – | – | – | – | – |
| Voice alarm systems (SAA)Assembly | – | – | – | – | – |
| Intrusion detection systems (EMA)Assembly | – | – | – | – | – |
| Video surveillance systemsAssembly | – | – | – | – | – |
| Public safety agency (BOS) building radio systemsAssembly | – | – | – | – | – |
| Access control systemsAssembly | – | – | – | – | – |
| Digital lock cylinders / locking systemsAssembly | – | – | – | – | – |
| Hold-open systems for fire barriersAssembly | – | – | – | – | – |
| Fire protection curtainsAssembly | – | – | – | – | – |
| Electrical engineering / electrical installationAssembly | – | – | – | – | – |
| Conference systems (video conferencing technology)Assembly | – | – | – | – | – |
| Barrier systems and turnstilesAssembly | – | – | – | – | – |
| Network security / network technologyEngineering | – | – | – | – | – |
| CAD planning / project engineeringEngineering | – | – | – | – | – |
| Maintenance, service and testing of security technology (24h service, 365 days)Testing | – | – | – | – | – |
| Fire protection doors (installation)Assembly | – | – | – | – | – |
Additional services
Reference customers
Quality and certification
The quality standards are certified through regular audits by VdS Schadenverhütung GmbH, certification in accordance with DIN EN ISO 9001 and DIN 14675 (fire alarm and voice alarm systems). Both headquarters in Frankfurt and Sulzbach are VdS-certified; in addition, an in-house quality management system is in place.
| Evidence | Frankfurt a.M. (Sossenheim) | Sulzbach a.M. (Aschaffenburg) |
|---|---|---|
| ISO 9001 (VdS-certified) | ||
| DIN 14675 fire alarm systems | ||
| DIN 14675 voice alarm systems | ||
| VdS approval RWA installation | ||
| Certified BOS building radio installer |
Company chronicle
- 1926
Founded by Bretz and Hufer as an installation company for electrical switchgear in Frankfurt.
- 1972
Cooperation with smoke extraction system manufacturer Dingfelder & Hadler; specialization in sales, installation and maintenance of smoke extraction systems.
- 1978
Renamed Bretz & Hufer Gebäudesystemtechnik GmbH; acquired by Mr. Vogel and relocated to Frankfurt-Sossenheim.
- 1990
Company purchased by the couple Erika and Dietmar Vogel.
- 1998
Expansion of the office building in Frankfurt-Sossenheim.
- 2000
First VdS-certified RWA company in Germany.
- 2004
First company in Germany to receive VdS approval for RWA installation combined with VdS certification in accordance with DIN EN ISO 9001.
- 2009
Taken over by Siegfried Gruber (together with Silke Gruber); VdS recognition for fire alarm systems.
- 2012
Certification for installation of voice alarm systems; joined the ECOS network.
- 2015
New construction and commissioning of the Sulzbach am Main site.
- 2020
Marvin Gruber joins the company as the next generation.
- 2021
New location in Hanau with expertise in CAD planning.
- 2026
100 years of Bretz & Hufer.