WolfgangFeist , 2 months ago German Energy retrofits work. Really well. "It's the existing buildings that matter!" https://passivehouse-international.org/upload/20240424_Press_Release_Overview_Passive_House_Conference_2024.pdf
Energy retrofits work. Really well.
"It's the existing buildings that matter!"
https://passivehouse-international.org/upload/20240424_Press_Release_Overview_Passive_House_Conference_2024.pdf