[hn_throwaway_99]

> Maybe you should educate yourself some before writing posts you know nothing about.

Except another commenter, obviously more versed in the field than I, specifically highlighted how this efficiency is calculated differently based on what is specified as the denominator, and the rules are apparently different for the US vs. Europe: https://news.ycombinator.com/item?id=40055464. So perhaps it is you that should educate yourself.

[infecto]

My mistake, I thought it was more common knowledge how HHV and LHV are calculate and equivalents when comparing to heat pumps. I tend to respond too harshly when low level words are thrown. Sorry!