FRIENDSHIP was listed among the most valuable projects related to solar heating of larger scale buildings. This article, published by MDPI and co-written by Valéry Vuillerme (CEA), is a report of the SustainablePlaces2020 workshop, which brought together a good number of experts from the energy sector to discuss a common strategy for the future. The article is available here: “Renewable Heating and Cooling Solutions for Buildings and Industry“,