The radiator is read as steady, background warmth that keeps a home liveable. A cold one points to a lack of care felt in familiar surroundings.
Does the traditional reading fit your dream, or did it mean something else to you?
My Cosmic Code has a private dream journal. Write a dream down and the app picks out the symbols in it, shows what dream books say about them and, over time, which words recur across your entries. The journal is stored on your device only.