Which is Better: Solar Thermal Flat Plate or Evacuated Tube Collectors? Solar thermal flat plate or evacuated tube collectors? This is an incredibly common question in the solar thermal industry. Strangely enough, many people weigh in, and take different sides. Like a Red Sox vs Yankees type of rivalry, it’s a heated debate. In the end, it… Continue reading “Which is Better: Solar Thermal Flat Plate or Evacuated Tube Collectors?”