The company GS thermal systems is a heating construction company, we design and assemble your heating throughout Germany. An extensive team of planners, service and maintenance technicians ensure that you receive as a GS customer optimum support. This ensures that your system is still working efficiently for years. Stay up to date in terms of new products and information. In GS customer portal you have the ability to access your personal data (order, planning, installation instructions, invoice, etc.) online or schedule a service appointment such as Maintenance appointments or a repair order on the GS app.