Hvac contractors and techs who service rooftop units may sometimes long for the good old days, when the condenser coils they had to clean were simple slabs. A new design is not quite as simple as those slabs, but in terms of size and efficiency, it’s better. And it is easy to clean.
The goal of the new design is to have coils cleaned more regularly. Make that easier to do without losing efficiency or increasing size, and you’ve got something.