
Trade business for heating, plumbing, ventilation, solar and photovoltaic technology with planning, installation, maintenance and emergency service

Erwin Schäfer Heizung-Sanitär-Bauklempnerei GmbH
Wittmund · Carolinensiel (showroom)New on Amplifa
About us
Erwin Schäfer Heizung-Sanitär-Bauklempnerei GmbH is a trade company founded in 1978, based in Wittmund (Lower Saxony) with around 46 employees. Its range of services includes heating installation, plumbing installation, bathroom renovation, ventilation technology, solar thermal, photovoltaics and heat pump installation as a certified NIBE efficiency partner. For commercial and industrial customers, property management companies, the healthcare sector and public administration, the company offers system planning, energy and cost optimisation as well as energy management with a control system for operational monitoring. The offering is complemented by maintenance, customer service, emergency service, hydraulic balancing, ventilation cleaning, water treatment and subsidy consulting. The company is a member of the building technology cooperation CELSEO and works with brand manufacturers such as Viessmann, Vaillant, Brötje, NIBE, BWT, Rehau and Vallox. In addition to its headquarters in Wittmund, it operates a showroom in Carolinensiel.
- Site
- Wittmund
- Processes
- Heating installation (heating systems for private and commercial sectors), Bathroom renovation and bathroom construction, Plumbing installation (pipe construction up to complete sanitary systems), Solar thermal systems, Photovoltaic systems (from planning to realisation), Ventilation technology (central and decentralised residential ventilation with heat recovery), Heat pump installation (NIBE, air-source/geothermal heat pumps), Maintenance, repair and inspection of heating, plumbing, ventilation, solar
- Founded
- 1978
- Employees
- 46
- Industries
- Private customers, Commercial customers, Industrial customers, Property management companies, Healthcare sector, Public administration
- 01
Needs analysis and consulting
- 02
System planning and calculation
- 03
Installation and assembly
- 04
Commissioning and instruction
- 05
Maintenance, customer service and emergency service
Locations
Wittmund
DEHeadquarters
Carolinensiel
DEShowroom
Services







Inside the production




Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Heating installation (heating systems for private and commercial sectors)Assembly | – | – | – | – | – |
| Bathroom renovation and bathroom constructionAssembly | – | – | – | – | – |
| Plumbing installation (pipe construction up to complete sanitary systems)Assembly | – | – | – | – | – |
| Solar thermal systemsAssembly | – | – | – | – | – |
| Photovoltaic systems (from planning to realisation)Assembly | – | – | – | – | – |
| Ventilation technology (central and decentralised residential ventilation with heat recovery)Assembly | – | – | – | – | – |
| Heat pump installation (NIBE, air-source/geothermal heat pumps)Assembly | – | – | – | – | – |
| Maintenance, repair and inspection of heating, plumbing, ventilation, solarTesting | – | – | – | – | – |
| Hydraulic balancingTesting | – | – | – | – | – |
| Emergency service (heating, plumbing, electrical, ventilation, solar)Assembly | – | – | – | – | – |
| System planning and design of technical systems for heat, air, water and electricityEngineering | – | – | – | – | – |
| Energy and cost optimisation / energy management (IBS control system)Engineering | – | – | – | – | – |
| Cleaning of ventilation systemsSurface | – | – | – | – | – |
| Water treatment (filtration, softening, heating protection – BWT)Surface | – | – | – | – | – |
| Underfloor heating / surface heating (REHAU systems)Joining | – | – | – | – | – |
Additional services
History
- 1978
Foundation of the company Erwin Schäfer