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 ...
Quels types de panneaux solaires sont les plus efficaces en 2025 ? – Guide complet
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. ...
Black Friday 2025
BLACK WEEK at Voltmax! Only now, with every new SolarEdge installation, we’re adding a free bonus: an extra energy storage module – for larger installations solaredge home backup interface – for ...
Nous avons ouvert notre premier showroom au Luxembourg !
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 ...
Maximize Self-Consumption: Use More Solar, Cut Grid Bills
How to Maximize the Use of Your Own Solar Energy and Reduce Grid Consumption? Practical Tips for the Energy-Savings Is your photovoltaic system really working at full capacity for you? Many homeowners ...
Passeport énergétique luxembourgeois – Le guide complet (2025)
What is an Energy Passport (EPC) in Luxembourg? Who needs it, types (LuxEeB-H/F), validity, process, and how to improve your rating. A practical guide. ...
Mon toit est-il adapté aux panneaux solaires ? Guide pratique pour les propriétaires
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 ...
Comment arrêter le bruit de la rue et ramener le calme dans votre vie
Silence is a modern luxury Noise is everywhere these days, on busy streets, in city centres, and even in quiet suburbs. The constant sound of cars, noisy neighbours, and garden tools can seriously dis ...
Isolation des logements avec subventions au Luxembourg : moins de déperditions de chaleur, plus d'argent dans votre poche
Insulation – the First Step to Saving Energy Why does insulation have the biggest impact on energy consumption and living comfort? Thermal insulation is one of the most effective ways to reduce ...
Modernisation thermique au Luxembourg : une solution intelligente pour réduire les factures
Introduction In a time of rising energy costs and growing environmental awareness, improving your home’s energy efficiency matters more than ever. For homeowners in Luxembourg, thermal modernisation ...