AIKO and LONGi: leaders at 25% efficiency, and what we choose for your roof
AIKO and LONGi share first place, at 25% efficiency, in the October 2026 edition of the TaiyangNews TOP SOLAR MODULES ranking. It is an important technological benchmark for anyone choosing solar p...
A solar panel can pass through five or six pairs of hands before it reaches your roof. Each link adds a mark-up and loses some of the information: which factory the batch comes from, when it was pr...
Cheap to install, expensive to service: why we don't install low-quality PV equipment
Two quotes for the same roof can look almost identical: the same power in kW, the same number of panels, a price difference of a few thousand lei. You won't see the difference on installation day. ...
Why the Details Matter: What We Install and Why a Quality System Produces More
Every home has its own story, and every customer uses energy differently. We explain why a temperature coefficient of −0.26%/°C matters, how panels produce in low light, why we install AIKO and LON...
How to Choose the Right Inverter for a Residential PV System in 2026
See how to choose the right inverter for a residential PV system: single-phase or three-phase, with or without a battery, and which models are worth considering in 2026.
PV System With or Without a Battery? How to Make the Right Choice in 2026
Find out when it is worth choosing a battery for your PV system, when a system without storage is enough and which combinations of panels, inverter and battery make sense in 2026.