There was a comment here on hn from a guy that measured the heat effect. For them the loss in efficiency was 12%. Which would be somewhat negligible. Edit: her

There was a comment here on hn from a guy that measured the heat effect. For them the loss in efficiency was 12%. Which would be somewhat negligible. Edit: here it is https://news.ycombinator.com/item?id=38688116 https://news.ycombinator.com/item?id=38688116