How to Increase the Value of a Purchased Home? Thermal Modernization and Photovoltaics
Buying a home is only the beginning of the property ownership journey. Over time, homeowners begin to notice how strongly heating costs, heat loss, and the predictability of utility bills affect livin ...
Hybrid inverters – advantages and disadvantages
A hybrid inverter is a device that combines the functions of a conventional photovoltaic inverter with a system that works with an energy storage unit. Its function therefore focuses on converting dir ...
The Cost-Effectiveness of a Solar Roof Combined with Energy Storage in Luxembourg
A building-integrated solar roof combined with a home energy storage system is an appealing solution thanks to its aesthetics and the promise of greater control over electricity costs. This type of in ...
Ground-mounted vs. roof-mounted photovoltaic panels – which should you choose?
When planning a photovoltaic installation, one of the first and most important decisions is choosing between ground-mounted photovoltaic panels and roof-mounted photovoltaic panels. As homeowners and ...
BIPV vs on-roof solar in Luxembourg – when is a solar roof worth it?
The rapid growth of residential and commercial solar installations across Luxembourg has led many property owners to ask which system offers the best long-term value: traditional on-roof solar panels ...
Solar Inverter Clipping – What It Is and Why It Matters
Solar installations are built to turn sunlight into usable electricity, but the performance of a photovoltaic system depends not only on the panels that collect the sun’s energy. The inverter plays ...
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 ...
What types of solar panels are most efficient in 2026 – complete guide
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. ...
We opened our first showroom in 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 ...