warmer

device that heats water or supplies warmth to a room
having or producing a comfortable and agreeable degree of heat or imparting or maintaining heat;
psychologically warm; friendly and responsive;
(color) inducing the impression of warmth; used especially of reds and oranges and yellows;
having or displaying warmth or affection;
freshly made or left;
easily aroused or excited;
characterized by strong enthusiasm;
characterized by liveliness or excitement or disagreement;
uncomfortable because of possible danger or trouble;
of a seeker; near to the object sought;
WARMER n pl. -S one that warms

warmer is a valid Scrabble (US) TWL word

warmer is a valid Scrabble Word in Merriam-Webster MW Dictionary

warmer is a valid Scrabble Word in International Collins CSW Dictionary

warmer is a valid Words With Friends word