Specialist company from Krefeld for planning, installation and maintenance of CHP units, photovoltaics, heat pumps and heating technology.
KWKCenter Neumann e.K.
47809 Krefeld (Gelleper Str. 20)New on Amplifa
About the KWK Center
The KWK Center for Energy and Heating Technology (KWKCenter Neumann e.K.) is an owner-managed trade specialist company from Krefeld with roots in the plumbing and heating sector. Its core business is the consulting, planning, installation and maintenance of combined heat and power units (CHP) with electrical outputs of 2 kW to 50 kW or thermal outputs of 3.8 kW to 100 kW – as a certified center of the manufacturers SenerTec (Der Dachs), RMB Energie (neoTower), Vaillant (ecopower) and 2G (gbox). The portfolio also includes photovoltaic systems including flat-roof installation, battery storage, heat pumps, gas condensing boilers, solar thermal, smart-home technology and wallboxes for electric cars. The offering is complemented by remote monitoring of CHP units, emergency service, full maintenance contracts and the preparation of applications for energy tax refunds. Customers include residential buildings and multi-family houses, commercial and industrial businesses, hotels and public institutions. Since July 2023, the company has been operating from a larger commercial facility in the Gellep district of Krefeld, with a workshop, warehouse, offices and showroom.
- Site
- Krefeld
- Processes
- Combined heat and power unit (CHP) – consulting, planning, installation, maintenance, Combined heat and power unit (CHP) service and maintenance, Photovoltaic system installation (including flat-roof installation), Battery storage installation, Gas condensing boiler – installation and maintenance, Heat pump installation (air, ground source, groundwater), Smart-home technology – installation and control, Solar thermal (thermal solar system) – installation and maintenance
- Materials
- Natural gas, Liquefied petroleum gas (LPG), Biogas, Hydrogen, Diesel, Drinking water (heating water, possibly fully demineralized)
- Certificates
- Certified center – specialist company for combined heat and power units, Certified center – specialist company for CHP units (SenerTec, RMB/Energie,, ISO 9001
- Founded
- 1989
- Industries
- Residential buildings/multi-family houses, Commercial businesses, Hotels, Industrial companies, Public institutions
- 01
Consulting
- 02
Profitability calculation
- 03
Planning
- 04
Installation/Mounting
- 05
Remote monitoring
- 06
Maintenance and service
- 07
Energy tax refund
Energy Sources and Fuels
Natural gas
Main fuel for combined heat and power (CHP) units.
Liquefied petroleum gas (LPG)
Alternative fuel for CHP units without a natural gas connection.
Biogas
Renewable fuel for the operation of CHP systems.
Hydrogen
Future-oriented fuel in the company's portfolio.
Diesel
Fuel option mentioned in CHP projects.
Location
Krefeld
DEHeadquarters with workshop, warehouse, office and showroom
- CHP portfolio 2–50 kW el. (SenerTec, RMB Energie, Vaillant, 2G)
- Workshop
- Storage space for maintenance and service materials
- Showroom
Systems and Installations
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Combined heat and power unit (CHP) – consulting, planning, installation, maintenanceMounting | – | electrical output 2 kW to 50 kW | – | – | Natural gas, Liquefied petroleum gas (LPG), Biogas, Hydrogen |
| Combined heat and power unit (CHP) service and maintenanceMounting | – | – | – | – | – |
| Photovoltaic system installation (including flat-roof installation)Mounting | – | – | – | – | – |
| Battery storage installationMounting | – | – | – | – | – |
| Gas condensing boiler – installation and maintenanceMounting | – | – | – | – | Gas |
| Heat pump installation (air, ground source, groundwater)Mounting | – | – | – | – | – |
| Smart-home technology – installation and controlMounting | – | – | – | – | – |
| Solar thermal (thermal solar system) – installation and maintenanceMounting | – | – | – | – | – |
| Plumbing and heating technologyMounting | – | – | – | – | – |
| Fuel cell integrationMounting | – | – | – | – | – |
| Buffer tank / fresh hot water module installationMounting | – | – | – | – | – |
| Wallbox / charging station installationMounting | – | – | – | – | – |
| Energy tax refund for CHP units (application preparation)Engineering | – | – | – | – | – |
9 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Combined heat and power unit CHP (mini/micro CHP) | SenerTec Der Dachs (Gen 1.0, 1.1, 2.0, 5.5 kWh) | – | – | – | – |
| Combined heat and power unit CHP | RMB Energie neoTower Living 2.0–4.0, Premium 5.0/7.2/11.0/16.0/20.0/50.0, Premium+ | – | – | – | Krefeld |
| Combined heat and power unit CHP | Vaillant ecopower 1.0, 3.0, 4.7 | – | – | – | – |
| Combined heat and power unit CHP | 2G gbox | – | – | – | – |
| Battery storage | Sonnen | – | – | – | – |
| Wallbox / charging station for electric cars | Sonnen sonnencharger | – | – | – | – |
| CHP unit (reference, 20 kW el.) | RMB Energie neoTower 20.0 kW | – | – | – | Cuxhaven / Mönchengladbach |
| CHP unit (reference, 11 kW) | – | – | – | – | Machine production hall |
| Heat pump | Vaillant | – | – | – | Krefeld |
Additional services
Qualifications and Service
As a qualified trade specialist company licensed by the manufacturers SenerTec, RMB/Energie, Vaillant and 2G, the KWK Center is a certified specialist company for combined heat and power units. Employees attend regular training courses, and the systems are monitored remotely via an online connection.
| Evidence | Krefeld |
|---|---|
| Certified center – specialist company for CHP units (SenerTec, RMB/Energie, | |
| ISO 9001 |
Company History
- 1989
Foundation of the company with roots in the plumbing and heating sector; pioneer in solar thermal
- 2000
Installation of the first combined heat and power units
- 2011
Integration of the first fuel cells
- 2023
Relocation from Krefeld-Oppum to a larger commercial facility in Krefeld-Gellep (01.07.2023)
- 2024
Rebranding: “KWKCenter Neumann” becomes “KWK Center for Energy and Heating Technology”