I suppose there's some ambiguity in the wording... there's no way it's 95% electrical generation efficiency. The key is that waste heat from electrical generat

I suppose there's some ambiguity in the wording... there's no way it's 95% electrical generation efficiency. The key is that waste heat from electrical generation is used to heat an otherwise-cold home, and perhaps the hot water. That efficiency isn't going to be possible when it's warm outside.