Q – I have heard that fluorescent tubes use more energy at start up and it is better to leave them on if you are only going out of the office for a short while?
A – Lighting technology has improved and the increase in energy use at start up is marginal, if you are leaving an area for more than 10 minutes the lights need to be switched off.
Q – How much more expensive is electricity than gas?
A – Currently electricity is approximately 3 times the cost of gas.
Q – If I leave a small photocopier on standby overnight how much energy will it waste?
A – This will use enough energy to make 15 cups of coffee.
This page was last updated on 01-Nov-2010 11:08:02 GMT