2 ms·
EU has them, A++, A+, A, B etc. Depends on per country regulation which lowest can be build. For new projects I think it's A now most widespread.
by batushka3 7y ago
EU has them, A++, A+, A, B etc. Depends on per country regulation which lowest can be build. For new projects I think it's A now most widespread.
- Heliosmaster 7y agoAs far as I understand, buildings (walls, ceiling, roof, etc.) mostly get to A. A/2 is achieved with photovoltaic panels on the roof, and A/3 with also thermal solar.