It also tells us, as others have highlighted, that they have acknowledged both the primacy of the Laws of Thermodynamics, and that the unit will not be superior in any way to existing tankless units.
i agree-it seems also they are trying to cover there own short comings by over explaining that the rating system is innaccurate. Like being in a high jump contest and judges score you poorly as you argue they are critiqueing the wrong details like how you ran for the bar instead of how you jumped.
The PR plus chill period removed tells us it is ready. Imo this why the 18th was mention they knew the chill period would be removed by the 18th. Next week could be it...imo
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