>>212910643all new houses and many old have balanced ventilation, meaning it draws out as much air as it pushes in, they can have ac buildt into it, they all have atleast heat buildt into it.
a split ac unit is not part of that system it draws in room air and spits it back out into the same room, but that room air is ventilated through the central system and that air temperature is through the heat exhanger transfered over through the fresh outside air distributed all over the house. filtration here is to prevent outside dust or pollen to get inside, not to get kitchen bacon smell in the bedroom. two wastly different things.
well i dont live in switzerland i live i a place that might be indicated by my flag.
consumer anything in europe have what you want and are willing to pay for, people pay 15k โฌ for air/water heat pumps that provide year round comfort and hot tap water, but due to that systems nature and old stubbornness they
>we dont do thatto ac
then they visit a neighbour with air to air heat pump (2k โฌ) and regret their decision.
btw, i work in this field.