Against the backdrop of the COVID-19 pandemic, ISH, the world’s leading trade fair for HVAC + Water, brought the sector together digitally from March 22 to 26, 2021. The first digital edition of ISH put the spotlight on themes of social, political, and economic importance. The European Green Deal was one of the important future-oriented themes in the Energy section of ISH digital 2021 with presentations of heating solutions and systems that make a decisive contribution to achieving climate targets. The current political framework in the heating market was discussed in detail during the ISH Technology and Energy Forum.