Interesting. My PVs have made the house substantially cooler. There is an air gap between the panels and the roof itself - they effectively shade the roof.
Aha. Well, I would not be at all surprised to discover that we ended up with a sub-par installation.
Are these solar tiles (solar shingles) or a traditional air-gaped panel?
Same. This statement is bizarre to me. You can’t bolt solar panels directly to a roof. There is an air gap from the rails and also the edges of the panels.
You actually can if you get the stick on variety. They don't last as long, etc, etc. But they do exist and have their uses.