回复：办公室太冷，想买个HEATER FAN， 不知道对瓦数有没有要求？

http://www.amazon.com/Lasko-100-MyHeat-Personal-Ceramic/dp/B003XDTWN2/ref=sr_1_4?ie=UTF8&qid=1402157106&sr=8-4&keywords=heater

very small but enough for your personal space in the office.