Bathroom renovation, sanitary and heating construction, as well as heat pump, solar, and biomass systems for private, commercial, and public sectors
GL – Georg Lang Büro für Energie und Haustechnik Badsanierung, Sanitär- und Heizungsbau GmbH
PegnitzNew on Amplifa
About Georg Lang
GL – Georg Lang Energy and Building Services Bathroom Renovation, Sanitary and Heating Construction GmbH is a family business in Pegnitz in Oberfranken. It was founded by Georg Lang as a sole proprietorship in Pottenstein in 1992 and now employs 14 staff members. The range of services includes bathroom renovations with planning, 3D bathroom design, and fixed-price offers, sanitary and heating installation (gas and oil condensing technology), ventilation technology, and the installation of heat pumps, solar, pellet, and wood heating systems. Furthermore, the company offers energy consulting through a certified energy consultant, customer service and maintenance, emergency service, and hygiene services according to VDI/DVGW 6023 with a certified drinking water sample taker. Clients include private individuals, housing cooperatives, the city of Pegnitz, commercial enterprises, and healthcare facilities in the Pegnitz, Nürnberg, Schwabach, and Erlangen region. Since 1998, apprentices have been trained; Mario Lang took over management in 2024.
- Site
- Pegnitz
- Processes
- Bathroom renovation with planning and fixed-price offer (3D bathroom design, complete organization, Sanitary installation (WC systems, bathrooms, drinking water/wastewater lines), Heating installation (gas and oil condensing technology, central heating systems), Heat pump installation (air-water heat pumps, e.g., Weishaupt Biblock, 65 °C flow temperature), Biomass heating installation (pellet/firewood combination systems, pellet central heating boilers, Solar system installation, Ventilation works (exhaust air ducts), Sump pump installation (wastewater pumping below backflow level)
- Materials
- Ventilation Technology, Heat Pump Technology, Biomass Heating, Pipeline Installation
- Certificates
- VDI/DVGW 6023 Hygiene Training, Certified Drinking Water Sample Taker, Certified Energy Consultant
- Founded
- 1992
- Employees
- 14
- Industries
- Private Customers, Housing Economy/Cooperative Housing, Public Sector/Cities and Municipalities, Commercial/Companies, Healthcare
- 01
On-site consultation and surveying
- 02
Planning and 3D bathroom design
- 03
Fixed-price offer
- 04
Sanitary/Heating/Ventilation Installation
- 05
Commissioning
- 06
Customer service and maintenance
Services and Technology
Ventilation Technology
Installation of exhaust air ducts for interior rooms, including in the Pegnitz health center.
Heat Pump Technology
Air-water heat pumps with supply temperatures up to 65 °C, e.g., Weishaupt Biblock.
Biomass Heating
Pellet and firewood combination systems as well as pellet central heating boilers with buffer tanks.
Pipeline Installation
Drinking water, wastewater, compressed air, and vacuum extraction lines, e.g., approx. 1,500 m in the Pegnitz health center.
Location
Pegnitz
DEEnergy and building services office with workshop and exhibition room
- Materials
- Sanitary, heating, ventilation, and energy technology
- Exhibition room
- Workshop
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Bathroom renovation with planning and fixed-price offer (3D bathroom design, complete organizationInstallation | – | – | – | – | – |
| Sanitary installation (WC systems, bathrooms, drinking water/wastewater lines)Installation | – | – | – | – | Pipelines (drinking water, wastewater, compressed air) |
| Heating installation (gas and oil condensing technology, central heating systems)Installation | – | – | – | – | – |
| Heat pump installation (air-water heat pumps, e.g., Weishaupt Biblock, 65 °C flow temperature)Installation | – | – | – | – | – |
| Biomass heating installation (pellet/firewood combination systems, pellet central heating boilersInstallation | – | – | – | – | – |
| Solar system installationInstallation | – | – | – | – | – |
| Ventilation works (exhaust air ducts)Installation | – | – | – | – | – |
| Sump pump installation (wastewater pumping below backflow level)Installation | – | – | – | – | – |
| Compressed air and vacuum extraction line installation (for dental practice)Installation | – | – | – | – | Pipelines |
| Maintenance in sanitary and heating areas, customer service, new connections of production machinesInstallation | – | – | – | – | – |
| Emergency service (sanitary/heating, Mon-Fri 8-19 h, Sat/Sun/Holidays 9-17 h)Installation | – | – | – | – | – |
| Energy consulting (certified energy consultant, energy consulting for heat pumps)Engineering | – | – | – | – | – |
| Hygiene according to VDI/DVGW 6023, drinking water sample taker (certified)Inspection | – | – | – | – | – |
Additional services
Reference customers
Qualifications and Quality
Certified Energy Consultant (Exam 2007), Hygiene training according to VDI/DVGW 6023 and certified drinking water sample taker (2013); Specialist according to Water Resources Act WHG §19.
| Evidence | Pegnitz |
|---|---|
| VDI/DVGW 6023 Hygiene Training | |
| Certified Drinking Water Sample Taker | |
| Certified Energy Consultant |
Company History
- 1991
Georg Lang's master examination in gas and water installation craft
- 1992
Founding as a sole proprietorship in Pottenstein by Georg Lang
- 1998
Start of apprenticeship training
- 2005
160 apartments of the Pegnitz housing cooperative am Kellerberg equipped with central heating systems
- 2007
Energy consultant examination with distinction; Master Prize of the Bavarian State Government
- 2009/2010
100 apartments of the city of Pegnitz (Blumenstraße) equipped with central heating/heat pumps
- 2010
Modernization of Old Palace Pegnitz (sanitary, heating, ventilation)
- 2013
Hygiene training according to VDI/DVGW 6023 and examination for Certified Sampler
- 2015
38 residential units in Konradsreuth bei Hof equipped with central heating
- 2018
Installation work at Pegnitz health center (approx. 1,500 m pipelines)
- 2021
Fourth heat pump system 'Biblock' (Weishaupt) commissioned in Pegnitz
- 2024
Mario Lang becomes managing director
- 2026
Company premises renovated and expanded