Overpaneling and inverter sizing – how much DC oversizing is smart?
When planning a PV installation and trying to match the power of your solar panels to the inverter, you quickly discover that inverter sizing and PV system design have a major impact on long-term sola ...
Welche Solarmodule sind im Jahr 2025 am effizientesten? – Ein vollständiger Leitfaden
Best solar panels in 2025 - see how today’s top panels compare on efficiency, warranty and long-term value - and learn which type is best for your roof. ...
Wir haben unseren ersten Showroom in Luxemburg eröffnet!
We’re thrilled to announce the opening of Voltmax’s first showroom in Luxembourg. Munsbach, October 14, 2025 — We’ve got it! This is a significant step for us: after years of worki ...
Photovoltaik auf Flachdächern vs. Schrägdächern – welche eignen sich besser?
The decision to install solar panels on a roof requires consideration of the roof type, tilt angle, and the specific features of the building itself. Flat and pitched roofs differ in terms of construc ...
Kann Photovoltaik an einem bewölkten Tag funktionieren?
Photovoltaics is one of the most popular technologies that makes it possible to use solar energy to generate electricity. In countries where the sun shines for most of the year, photovoltaic systems a ...
Ist mein Dach für Solaranlagen geeignet? Ein praktischer Leitfaden für Hausbesitzer
Is my roof suitable for solar panels? A practical guide for homeowners Solar energy is becoming more and more popular, not just for saving money but also for gaining energy independence and helping th ...
Steigert eine PV-Anlage den Immobilienwert? Fakten und Mythen
Photovoltaics have become almost synonymous with modern construction. More and more often, we see solar panels on the roofs of single-family homes, commercial buildings, and even garages or garden she ...
Photovoltaik in luxemburgischen Unternehmen: Wie lassen sich Stromkosten senken?
Electricity costs are one of the biggest challenges for businesses in Luxembourg. Rising energy prices, an unstable energy market, and increasing environmental requirements are pushing companies to lo ...
Photovoltaik und Baurecht in Luxemburg – Was Sie wissen müssen?
Before deciding to install solar panels in Luxembourg, it’s essential to understand all the aspects of building regulations related to such an investment. Even if installing a system seems like a pu ...
Off-Grid oder On-Grid – welches System ist in Luxemburg rentabler?
Photovoltaics in Luxembourg are gaining more and more supporters due to rising electricity prices, pressure to protect the environment and the desire to become independent from external suppliers. Inv ...