Across
- 4. a process used to contain temperature, moisture, or sound
- 8. opposite of heating
- 9. monitors indoor temperature
- 12. reduces volume of a gas like refrigerant
- 14. a tube for air to pass through
- 17. a device for moving air
- 18. large striped predator cat
- 19. substance we breathe
- 20. generates motion
Down
- 1. coolant; changes phases at low temperature
- 2. our beautiful city
- 3. converts liquid coolant into gas
- 5. sucks air from a room
- 6. enclosed structure in which heat is produced
- 7. moves air through your home
- 10. adds moisture to atmosphere
- 11. opposite of cooling
- 13. blows out air
- 15. opening; allows air in and out
- 16. absorbs heat from the air in your home
- 17. catches dirt and particles