
Specialist and engineering company for heating, plumbing, air conditioning, alternative energies and building technology service
Fein Energy GmbH & Co. KG
57612 Helmenzen · Zum Galgenberg 34New on Amplifa
A Company with Tradition
Fein Energy GmbH & Co. KG is a family-run specialist and engineering company for energy and building technology based in Helmenzen in the Westerwald. Its range of services includes heating technology (gas, oil, heat pumps, wood pellets, CHP units), bathroom design and plumbing work, air conditioning technology, photovoltaic and solar technology, rainwater utilization systems, industrial ventilation and air curtain technology for industrial gates. In addition, the company offers energy consulting by a certified building energy consultant (HwK), its own engineering planning office for building services planning, electrical services, and licensed chimney sweep work in accordance with KÜO and BImSchV, including flue gas path inspection and immission measurement. The offering is rounded off by heating emergency service, maintenance, repair and customer service for private, commercial and industrial customers in the Altenkirchen, Westerwald, Neuwied and Siegerland region.
- Site
- Helmenzen
- Processes
- Heating installation and heating modernization (gas/oil heating technology), Heat pump installation, Wood pellet heating, Combined heat and power (CHP) unit installation, Plumbing work / bathroom design (renovation, modernization, redesign), Air conditioning technology, Photovoltaic system construction / solar, Energy consulting (building energy consultant HwK)
- Founded
- 1983
- Industries
- Building technology/HVAC and plumbing, Private and commercial customers, Industrial companies
- 01
Consulting
- 02
Engineering planning
- 03
Installation/Assembly
- 04
Commissioning
- 05
Maintenance, service and customer service
Location

Helmenzen
DEHead office, showroom, warehouse, service, engineering planning office
Inside the production






Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Heating installation and heating modernization (gas/oil heating technology)Assembly | – | – | – | – | – |
| Heat pump installationAssembly | – | – | – | – | – |
| Wood pellet heatingAssembly | – | – | – | – | – |
| Combined heat and power (CHP) unit installationAssembly | – | – | – | – | – |
| Plumbing work / bathroom design (renovation, modernization, redesign)Assembly | – | – | – | – | – |
| Air conditioning technologyAssembly | – | – | – | – | – |
| Photovoltaic system construction / solarAssembly | – | – | – | – | – |
| Energy consulting (building energy consultant HwK)Engineering | – | – | – | – | – |
| Engineering planning office / building services planningEngineering | – | – | – | – | – |
| Chimney sweep work (KÜO, BImSchV measurement)Testing | – | – | – | – | – |
| Rainwater utilization systemsAssembly | – | – | – | – | – |
| Air curtain systems for industrial gates (industrial ventilation)Assembly | – | – | – | – | – |
| Electrical servicesAssembly | – | – | – | – | – |
| Heating emergency service, maintenance, repair, customer serviceAssembly | – | – | – | – | – |
Additional services
Company History
- 1983
Foundation of Fein Energy by Werner Fein on 1 July in Helmenzen
- 1992
Construction of today's business complex with warehouse, showroom and service department
- 2008
Affiliation of an engineering planning office
- 2013
Licensing for chimney sweep work in accordance with KÜO and BImSchV