# Do Lava Lamps behave like Oil Filled Space Heaters?

**URL:** <https://boards.straightdope.com/t/do-lava-lamps-behave-like-oil-filled-space-heaters/423817>\
**Category:** Factual Questions\
**Created:** [October 24, 2007, 2:05pm UTC](https://boards.straightdope.com/t/do-lava-lamps-behave-like-oil-filled-space-heaters/423817 "2007-10-24T14:05:36Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![The\_Controvert](https://avatars.discourse-cdn.com/v4/letter/t/dec6dc/32.png) [@The\_Controvert](https://boards.straightdope.com/u/The_Controvert)\
**Post date:** [October 24, 2007, 2:05pm UTC](https://boards.straightdope.com/t/do-lava-lamps-behave-like-oil-filled-space-heaters/423817/1 "2007-10-24T14:05:36Z")

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Seeing as how they’re oil filled and heat up, if enough are used to draw the same wattage, are they the same?

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**Author:** ![Santo\_Rugger](https://avatars.discourse-cdn.com/v4/letter/s/e95f7d/32.png) [@Santo\_Rugger](https://boards.straightdope.com/u/Santo_Rugger)\
**Post date:** [October 24, 2007, 2:39pm UTC](https://boards.straightdope.com/t/do-lava-lamps-behave-like-oil-filled-space-heaters/423817/2 "2007-10-24T14:39:30Z")

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Sure, except oil-filled heaters use a heat exchanger, and a much more efficient method of heating the oil than using a light.