Heat pumps that are neighbor-friendly – noise, vibrations, and placement
A heat pump is a device that generally does not bother anyone—it is not too loud, so it should not cause conflicts. However, in certain situations its placement and installation can be quite trouble ...
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 ...
Flat vs. pitched roofs – which are better suited for photovoltaics?
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 ...
Can photovoltaics work on a cloudy day?
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 ...
Is my roof suitable for solar panels? A practical guide for homeowners
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 ...