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I'm not sure it's true, my grandfather asserted glass and steel skyscrapers relied on the heat from lighting being on all the time.
by jfoutz 10y ago
I'm not sure it's true, my grandfather asserted glass and steel skyscrapers relied on the heat from lighting being on all the time.
- greglindahl 10y agoWith incandescent bulbs, perhaps. Definitely not with the florescent lights that are now typical.
- deegles 10y agoI believe the issue is that fluorescent bulbs last longer if they are left on, so you would actually spend more money/energy (factoring in the cost to produce and humans to replace the bulbs) if you're switching them off regularly. They can be dimmed to increase the life even more.