Yes, heats is a Scrabble word!

Verb

1. Make hot or hotter

2. Provide with heat

3. Arouse or excite feelings and passions

4. Gain heat or get hot

Noun

1. A form of energy that is transferred by a difference in temperature

2. The presence of heat

3. The sensation caused by heat energy

4. The trait of being intensely emotional

5. Applies to nonhuman mammals: a state or period of heightened sexual arousal and activity

6. A preliminary race in which the winner advances to a more important race

7. Utility to warm a building