Assertion: ceiling fan | /r/HasAspect | their part
Facets:
value: in the history of air conditioning
type: TEMPORAL
value: no doubt
type: OTHER
Source sentences:
text: Ceiling fans had their part in the history of air conditioning, no doubt, but the only way they save you money is if you use them in a very specific way: you increase the temperature on your thermostat, and only run ceiling fans in the rooms that you are in, turning them off as you leave each room.