Friedrich Kretzer
Friedrich Kretzer GmbH
Siegen, Eiserfeld, Germany
About
Friedrich Kretzer is a private headquartered in Siegen, Germany with approximately 50-200 employees specializing in Solar, Geothermal, Biomass.
Friedrich Kretzer is a mid-sized heating, plumbing, and sanitation contractor established over 70 years ago. The company specializes in conventional heating and sanitary installations alongside renewable energy systems including solar thermal collectors, photovoltaic systems, geothermal heat pumps (Erdwärme), rainwater harvesting, and solid fuel heating systems. They emphasize expertise in renewable energy consulting and installation, offering energy savings up to 60% for domestic hot water and 35% for total heating costs through solar systems.
Headquarters
Siegen, Germany
Employees
50-200
Company Type
Private