[hax0rbana]

This is true. It appears some people are not familiar with the idea of passive heating and cooling or zero energy homes.

https://www.energy.gov/eere/buildings/zero-energy-ready-home...

[bitL]

Let's not assume all or even majority of homes are zero energy. At least in Europe the vast majority are energy performance class F/G.

[orwin]

You can't rent or sell anything F or lower in my country, so I guess that'll change soon.

[bitL]

By 2030 everything should be at least E, by 2033 at least D and by 2050 all A.