High utility for countries with low radiation, the panel without concentration is for warm water and heating without the neglect of the architectural integration.
Without concentration

Without concentration

Panel without concentration (with or without mirror in the lower part to reflect the radiation or the own collector) 

 Gráfica horizontal

Concentration Factor: Not Applied

Stagnation Temperature: ~320º C

Location on the roof

Tracking: normally without

 Panel sin concentración

Applications: Warm water and home heating (specially if an architectural integration has been looked)