what are the types of solar collectors?
['Solar Thermal Collectors. There are five types of Solar Thermal Collectors:', 'Flat Plate Solar Collectors. ... ', 'Evacuated Tube Solar Collectors. ... ', 'Asphalt Solar Collectors. ... ', 'Concrete Solar Collectors. ... ', 'Pitched Roof Solar collectors. ... ', 'Solar Thermal Collection. ... ', 'PVT – PhotoVoltaic Solar Thermal Collectors.']