Is it true that if you’re cold in the winter in class or shul you could make them close the window? If yes, where is the source?
Yes, generally this is true. Several Poskim have derived this Din from the Ram”a in Choshen Mishpat Siman 155 Sief 39 See for example: מעייני התורה עטייא ח"ב בחלק…