Empowering Homeowners with Unbiased Data
Global Sun Hub is a data-driven toolkit designed to strip away the complexity of solar technology. We provide the neutral technical clarity you need to evaluate hardware and energy savings—without the sales pressure or manufacturer bias of traditional installers.
Our Origin
Why We Built Global Sun Hub: Closing the Transparency Gap
Solar energy is often sold through high-pressure tactics, but it is rarely explained with technical honesty. For too many homeowners, the journey starts with a flood of confusing advertisements and aggressive sales calls. This forces families to trust installers who may prioritize sales commissions over the specific engineering needs of their roofs.
We created this platform to bridge that gap. By providing an independent, data-driven environment, we empower you to decode your home’s true solar potential before you ever sign a contract. Our mission is simple: to replace hidden sales agendas with transparent engineering data and objective hardware comparisons.
The Global Sun Hub Toolkit: Data Over Sales Pitch
Our platform provides four core pillars of analysis to help you navigate your solar investment with total confidence.
Precision Solar Sizing
Move beyond generic estimates. Calculate the exact kWp capacity your home requires by leveraging professional regional irradiance data and your actual energy consumption patterns.
Deep Hardware Benchmarking
Compare thousands of solar panels and inverters side-by-side. We strip away the marketing fluff to show you the real technical datasheets, allowing for objective comparisons of efficiency, degradation, and thermal performance.
Advanced Roof Fit Analysis
Avoid installation-day surprises. Visualize how various panel dimensions physically interact with your specific roof geometry to ensure a viable, high-yield configuration.
Professional Installer Readiness
Take control of the bidding process. Generate and download a comprehensive technical project report to share with contractors, ensuring you receive accurate, apples-to-apples quotes based on your data.
Our Commitment to Total Independence
To provide truly unbiased advice, we operate with a strict separation between our data and the solar manufacturing industry. Our only priority is the accuracy of your results.
We believe that by removing commercial incentives, we can offer the most accurate path to energy independence for every homeowner.
Behind the Engine: A Solo Mission for Technical Clarity
Global Sun Hub was born out of personal frustration during my own solar installation journey. Like many homeowners, I quickly realized that unless you are an electrical engineer, it is nearly impossible to verify the complex technical claims made by professional installers.
As a Software Engineer with a passion for renewable energy, I decided to build the solution I couldn’t find. I spent months compiling technical datasheets and developing the mathematical algorithms that power this site today.
Because I operate as an independent solo founder, Global Sun Hub remains free from manufacturer influence and corporate sales targets. My goal is simple: to take professional-grade planning tools out of the hands of salespeople and make them accessible to every homeowner.
Serhii Bereshchuk Founder & Software Engineer, Global Sun Hub
Built for Clarity, Designed for You
Global Sun Hub provides specialized data for three distinct groups navigating the solar landscape.
Proactive Homeowners
Planning your first grid-tied installation? We help you bypass "sales-speak" and avoid common sizing mistakes by grounding your project in objective engineering data.
DIY & Off-Grid Enthusiasts
Building a custom system for a cottage, camper, or hybrid setup? Use our database to verify hardware compatibility and calculate storage needs for reliable energy independence.
Industry Researchers & Engineers
Comparing cell technologies like TOPCon vs. HJT? Access a centralized library to benchmark efficiency, thermal coefficients, and performance metrics across thousands of global manufacturers.
The Future is Distributed: Your Home as a Power Plant
We believe the energy landscape of 2026 and beyond belongs to the homeowner. Every roof represents an untapped opportunity for energy independence, and every home has the potential to become its own clean, resilient power plant.
Our mission is to make that transition clear, logical, and data-driven. By removing the complexity and the sales pressure, we empower you to lead the charge toward a sustainable future.
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