Is any body knows that car heater costs more energy?

Somebody told me that car heater delivers hot air directly from engine chamber, do not use electricity at all. Is that true.

所有跟帖： 

• The heat comes from the coolant. -花椒- ♀ (441 bytes) () 01/21/2009 postreply 13:07:57

• 回复：Thank you very much -tellUlater- ♂ (0 bytes) () 01/23/2009 postreply 00:54:03

• yes---heater does not use electricity. It uses -iammadaboutu- ♂ (286 bytes) () 01/21/2009 postreply 13:09:40

• 回复：I appreciate buddy -tellUlater- ♂ (0 bytes) () 01/23/2009 postreply 00:55:41

• yes and no -lovecorn- ♂ (163 bytes) () 01/21/2009 postreply 14:44:06