About
Founded in 2021, Erstraum is a private headquartered in Köln, Germany with approximately 10-50 employees specializing in Solar, Energy Storage, Hydrogen.
Erstraum GmbH is a sustainable energy company operating in the Cologne region and surrounding areas. They specialize in heat pump installations, photovoltaic systems, battery storage solutions, and wallbox charging stations. The company offers both purchase and rental models for heating systems, with comprehensive support including government subsidy application assistance. Their service covers energy consulting, system design, professional installation by certified partners, and ongoing maintenance. Erstraum positions itself as a one-stop solution for transitioning to renewable heating and energy independence, targeting residential customers seeking to reduce fossil fuel dependence and carbon emissions.
Headquarters
Köln, Germany
Founded
2021
Employees
10-50
Company Type
Private
Business Models
Value Chain
Service Regions
Cologne metropolitan area, North Rhine-Westphalia
Products
Heat Pump Systems
Photovoltaic Systems
Battery Storage Systems
Wallbox EV Charging
Certifications & Awards
Certifications
RheinEnergie Certified Partner