The inverter converts the direct current from the panels into alternating current you can use at home: it is the heart of your solar installation. String, micro-inverter or hybrid, each architecture has its own logic. wendows selects, installs and configures the right inverter, and stays your single point of contact for warranty and after-sales service.
There is no single inverter that is « best » in absolute terms: it all depends on your roof and your needs. Here are the families we install most often in Belgium, each chosen case by case during the survey.
A single device converts the current from all the panels. Simple, robust and cost-effective, it is the default choice for a clear roof with no significant shading.
A micro-inverter under each panel: if one module is shaded, the others keep running at full capacity. The best answer for complex or partially shaded roofs.
It manages the panels and the battery in a single device. Ideal for increasing self-consumption, storing surplus and keeping power during an outage.
The SUN2000 hybrid driven by FusionSolar: a residential benchmark, upgradable to the LUNA2000 battery and supervised from the app.
Beyond the type, it is conversion efficiency, warranty and monitoring that make the difference over time. The key benchmarks to know before choosing, set out by our teams.
Three architectures for three logics: a central inverter, a micro-inverter per panel, or a hybrid that also manages the battery. The right choice depends on your roof and your storage plans.
The inverter's power is sized relative to that of the panels: neither under-sized (lost production) nor over-sized (needless extra cost). We set this ratio during the survey.
The European conversion efficiency quoted is high on residential ranges. Little energy is lost between the panels and your switchboard; the exact value depends on the model.
Depending on the type and brand, the manufacturer's warranty ranges from around 10 years for a string inverter to 25 years for some micro-inverters. wendows handles the liaison and the intervention.
Modern inverters include production tracking via app or web: real-time production, history and alerts. Essential for remote diagnostics and after-sales service.
A hybrid inverter manages the battery natively; a string or micro-inverter can be coupled with one depending on the range. It is best to anticipate storage right from the inverter choice.
* Valeurs indicatives selon la gamme et la configuration. Les performances et garanties exactes dépendent du modèle, du vitrage et des dimensions — confirmées lors du métré.
A good inverter that is poorly sized or poorly configured loses much of its value. Our teams choose the right architecture, wire and configure the inverter according to the manufacturer's rules, then handle monitoring, warranty and after-sales service directly.
The right inverter depends on your roof, your shading and your storage plans. Compare the architectures and the brands, then we decide together during the survey.
An overview of the complete photovoltaic installation, from panel to commissioning, to place the role of the inverter within your project.
See solar panels → per panelA micro-inverter per panel for shaded or complex roofs: each module produces independently, with very fine-grained tracking.
All about the micro-inverter → with batteryIt manages panels and battery in a single device: the solution when self-consumption and storing surplus are at the heart of the project.
All about the hybrid → brandThe SUN2000 hybrid driven by FusionSolar: a residential benchmark, upgradable and well supervised. A concrete example of a brand.
See the Huawei inverter → technicalConnection diagram, safety and Synergrid compliance: how the inverter fits into your switchboard and the grid, fully by the book.
See the wiring → string brandThe German benchmark for the string inverter: robust, proven and recognised for self-consumption. A safe bet on the central component side.
See SMA equipment →The panels capture the energy, but it is the inverter that makes it usable: it converts the direct current (DC) produced on the roof into alternating current (AC) compatible with your switchboard and the grid. Without it, not a single device switches on. It is, quite rightly, the heart of the solar installation.
There are three main architectures. The string inverter, central, converts all the panels together: simple and cost-effective, perfect for a clear roof. The micro-inverter, placed under each panel, optimises module by module and excels on shaded or multi-pitch roofs. The hybrid inverter, for its part, also manages the battery for self-consumption and backup.
"A good inverter is one you forget about: it converts, supervises and alerts all on its own, year after year.
This is where our role as installer matters. We choose the architecture suited to your roof, size the inverter relative to the panels, configure it and remain your single point of contact for warranty, settings and after-sales service. Monitoring also lets us act remotely as soon as an alert comes through.
A high conversion efficiency. On residential ranges, little energy is lost between the panels and your switchboard — the exact value depends on the type of inverter and the sizing.
On the budget side, the price depends mainly on the type and power of the inverter, not just the brand. A string inverter starts lower than a hybrid, and the micro-inverter is priced per panel. To get a sense of your project, start from our price page, then request a detailed quote.
The price depends mainly on the type and power of the inverter — not just the brand. Here are starting ranges for an inverter installed by our teams, subsidies and reduced VAT applied afterwards.
See solar panel prices →* Indicative ranges, excluding specific configuration and excluding panels. Precise, detailed estimate during your free quote.
The inverter converts the direct current (DC) produced by the panels into alternating current (AC) usable by your appliances and compatible with the grid. It is the heart of the installation: without it, the energy from the panels cannot be used.
The string (central) inverter suits clear roofs and remains the most cost-effective. The micro-inverter, one per panel, shines on shaded or complex roofs. The hybrid also manages the battery for self-consumption. The right choice depends on your roof and your storage plans — we settle it during the survey.
The conversion efficiency of modern residential inverters often reaches up to ~98%. In practice, little energy is lost between the panels and your switchboard. The exact value depends on the model and on proper sizing relative to the panels.
A hybrid inverter manages the battery natively in a single device. A string or micro-inverter can be coupled with one depending on the range. If storage is part of your project, it is best to anticipate it right from the inverter choice.
Depending on the type and brand, the manufacturer's warranty ranges from around 10 years for a string inverter to 25 years for some micro-inverters. wendows handles the liaison and the intervention. The exact conditions are stated on your quote.
Expect from around €1,200 for an installed string inverter, from ~€110 per panel for a micro-inverter, and from ~€1,800 for a hybrid managing the battery. It all depends on the power and the type, with subsidies and 6% VAT deducted afterwards.
Free on-site survey, recommended range, grants calculated, a single point of contact. Describe your project in under a minute.