What is the crossword answer for the clue: Space heater?

RAY - a 3 letter word may be the answer you are looking for!

SOL - a 3 letter word may be the answer you are looking for!

SUN - a 3 letter word may be the answer you are looking for!

NOVA - a 4 letter word may be the answer you are looking for!

STAR - a 4 letter word may be the answer you are looking for!

Space heater?

3 Character Answers:

RAY

SOL

SUN

4 Character Answers:

NOVA

STAR