Gift links to Financial Times articles like this one often have a view count limit. If it has run out, you can check archive.today for a copy or use the app version of the site. Be aware that archive.today sometimes modifies archived pages, and generally fails to archive complex multimedia content.
Ah, that makes sense.
Btw: RV/Camping stores often sell ACs with two hoses. This prevents underpressure pulling hot air in again
I searched for those, but haven’t seen any available anywhere here in Germany any more, seem to have vanished from the market.
I heard that is an unintended side-effect of EU regulation regarding efficiency.
The two-hose-variants on paper have a lower efficiency, as for the efficiency calculation the pulled in hot outside air is not considered.
So the manufacturers just don’t bother selling them anymore here…