If you consider a link to a component manufacturer (Denso,) an automobile manufacturer (Hyundai and Volkswagen) and a professional society (SAE) to be "promotional material," then yeah, I guess so.
To recap, you said in your Post 42 "Unless it is extremely cold outside... then they basically don't work. This is why heat pumps in places where it gets cold frequently are backed up by conventional heating. It sounds like whoever tutored you on this subject left out a minor detail or two."
However, I said in my Post 29 (posted prior to your snarky comment) "They still work more efficiently than resistance heat down to about 15°F. Below that then resistance heating provides additional heat, just like home heat pumps."
Our exchanges after that is just your continued failed attempts to be condescending.
Because you seem to have no actual experience at all in this area you still do not realize after multiple people tried to correct you... that very few heat pumps in use even these days work well at temperatures below 40°F. Get below freezing and most basically do nothing at all. It depends on the refrigerant and the pressures being used. Yet you are very impressed with sales literature filled with typical greenie nonsense complete with meaningless animations. You have contributed absolutely nothing that has made any meaningful point in this entire thread. I don't know whether to laugh or cry when thinking about you, but thanks for catching a repeated word from my last post to you. It does prove that you are capable of reading even if comprehension is not one of your strong suits.