Should ceiling fans be left on all the time?

Related questions

1. Is clockwise positive or negative?
2. What is the rule for rotating 90 degrees clockwise?
3. Do ceiling fans really help in the winter?
4. Why do screws tighten clockwise?
5. Which way is clockwise?
6. Which way do you unscrew?
7. Is rotation clockwise or counterclockwise?
8. Is anticlockwise left or right?
9. What is the little switch on the ceiling fan for?
10. Which direction should fan blades turn in winter?

Tags

1. #leave
2. #rooms
3. #circulation
4. #circulate
5. #consistent
6. #purpose
7. #acceptable
8. #maintain
9. #temperature
10. #generally
11. #ceiling
12. #leaving