3 ms·
The DoE recommends leaving a CFL on if you'll be gone from the room for less than 15 minutes. http://energy.gov/energysaver/articles/when-turn-your-lights http
by No1 13y ago
The DoE recommends leaving a CFL on if you'll be gone from the room for less than 15 minutes.
http://energy.gov/energysaver/articles/when-turn-your-lights http://energy.gov/energysaver/articles/when-turn-your-lights