Next year: One solution for too many A+'s? Harvard considers giving A++ grades. Here in the Netherland's "energy label" home insulating rankings, we're up to

Next year: One solution for too many A+'s? Harvard considers giving A++ grades. Here in the Netherland's "energy label" home insulating rankings, we're up to A++++ [1] [1] https://nieuwbouw.nl/begrijp-nieuwbouw/koop/bouwen/78-de-verschillen-tussen-energielabel-a-a-a-a-en-a https://nieuwbouw.nl/begrijp-nieuwbouw/koop/bouwen/78-de-ver...