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Flachdachchecker is an online calculation tool from Dachgold and Tausendundein Dach for flat-roof photovoltaic projects. After entering an address and drawing the roof outline on Google satellite imagery, users can instantly estimate PV potential and then request a free on-site assessment. Its positioning is closer to a lead-generation and pre-qualification tool for solar projects than to a general-purpose SaaS management platform in the traditional sense.
The tool is built around a three-step flow: address search, roof drawing, and potential calculation. The page shows calculable roof area, usable area, kWp installed capacity, annual electricity generation, yearly electricity cost savings, CO₂ reduction, and the equivalent number of trees planted. Users can also adjust roof utilization and electricity price parameters to get an estimate that better reflects their own situation. The follow-up conversion path includes receiving a Solar Report by email, printing/exporting to PDF, and submitting a request for a free assessment. The page also mentions that Google Solar can analyze roof area, segments, orientation, and monthly sunlight.
The page clearly emphasizes a “free PV area calculator” and a “free, no-obligation assessment appointment,” but it does not disclose any SaaS subscription, project fees, payment methods, or implementation pricing. Deployment appears to be a web-based online tool, with no mention of private deployment, self-hosting, APIs, or developer support. Common enterprise software capabilities such as team collaboration, permission management, audit logs, and data security compliance are also not covered in the main content.
Its strengths are a low barrier to use, a clear business journey, and the ability to present solar technical metrics, financial benefits, and emissions-reduction value in one place, making it suitable for property owners to make an initial judgment. The availability of phone and email contact, along with a promise to respond within 24 hours, also helps move users into human consultation. Its limitations are that the results are only preliminary estimates, while accuracy, algorithm assumptions, data compliance, and service costs are not disclosed in detail. In addition, the functionality is highly focused on flat-roof PV projects in Austria, making it hard to view as a scalable enterprise software platform.
It is suitable for companies, property owners, factory owners, and service teams that need to collect solar project leads and that own or work with commercial flat roofs in Austria or German-speaking regions. Access from China cannot be determined from the content alone. Because the tool relies on Google satellite imagery or Google Solar, the user experience in mainland China may be uncertain, and network accessibility should be tested before actual use. For deployment in China, alternatives such as local maps, photovoltaic design software, or domestic EPC service providers would typically need to be considered.
⚠ This review is compiled from public sources and does not constitute a purchase recommendation. Verify all facts on the vendor's official site. Verify on flachdachchecker.at official site.
flachdachchecker.at is an Austria Energy provider. TG4G tracks its product information, an overall rating of 6.0/10, and a China-accessibility score of Limited (proxy recommended). Click "Visit Official Site" to reach flachdachchecker.at directly.