Crossword clues for the word: SPACEHEATER The word SPACEHEATER has appeared as an answer to at least 8 crossword clues on different crossword puzzles. Crossword clues for SPACEHEATER Showing 1 to 8 of 8 results Clue(s) Astronaut's gun? Astronaut's weapon? Convenient warmer Portable device for warming a small area Portable source of warmth Portable warmer Portable warming device Room warmer