Heat Pumps
Across
- 2. one thing all heat pumps save for people
- 4. 1 of 2 things that makes heat pumps less energy efficient
- 7. person who started the heat pumps scientific principle
- 10. you have to do this to makes sure everything is still good with the heat pumps
- 14. 3 of 3 things all heat pumps are
- 15. 1 of 4 types of heat pumps
- 16. keeps heat pump energy efficient
- 20. 4 of 4 types of heat pumps
- 22. 2 of 4 types of heat pumps
Down
- 1. 2 of 2 things that makes heat pumps less energy efficient
- 3. 1 of 3 things all heat pumps are
- 5. 2 of 3 things all heat pumps are
- 6. person normally held responsible for the scientific concept
- 7. used to circulate refrigerant that absorbs and releases heat as it travels between the indoor and outdoor units
- 8. the air is the inside unit of a heat pump
- 9. 2 of 2 things you don't have if there's a power cut
- 11. uses this instead
- 12. 1 of 2 things you don't have if there's a power cut
- 13. number of units in a heat pump
- 17. doesn't use this
- 18. person credited for developing the first geothermal heat pump
- 19. 3 of 4 types of heat pumps
- 21. the heat is the outside unit of a heat pump