At Wentzel’s Heating and Air Conditioning in Sarasota, Florida, we are pleased to bring you energy-saving tips.
Going outside for a few minutes? Turn off lights.
Do you think it’s better to leave a light on rather than turn it on and off again?
If you do, then you are not alone.
However, turning lights on/off does not use any significant power.
Therefore, it’s better to turn lights off when you leave a room, even if you’ll be returning again within a few minutes.
Source: https://shine.yahoo.com