4 – Turn off lights at work


Reality check

Fluorescent lights do take some time to ‘warm up’. Turning them on and off can shorten their life, but so can leaving them on. Taking all these things into account, it is more cost effective to turn off a fluorescent light than to leave it on if it will stay off for more than ten minutes.




  • Save energy

  • Save money

  • Changes others

Hundreds or thousands of dollars for the audit.
This is offset by the long term savings.


You’ll have to champion this cause on top of your existing workload
for the short-term.
The worst offenders are the hardest to change.
Some companies have no interest in reducing
their environmental impact. Full stop.

Places to go






Hard Facts

The commercial sector consumes about 22 per cent of Sydney’s electricity.

Commercial lighting in Sydney creates 10 million tonnes of CO2 each year

Search terms

daylight harvesting

energy audit office

greenhouse five star building

energy efficiency consultant

Related tips

Adjust your thermostat

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