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Lower light levels, where appropriate, such as around computer monitors.

Use shades and blinds to control direct sun through windows in both summer and winter to prevent or encourage heat gain.

Replace or retrofit non-energy efficient light fixtures.

Install “occupant sensors” to automatically turn lights off and on.

Turn off lights when not in use or when natural daylight is sufficient. This can reduce lighting expenses by 10% – 40%.

Implement a regular lighting maintenance program.

Remove or disconnect unnecessary light fixtures.

Use task lighting where feasible.

Replace incandescent light bulbs with LEDs.

Install timers or photocells on outside lights.

Install LED exit signs.

Maximize daylighting. After all, sunlight is free! Open or close blinds to make the best use of natural daylight and take advantage of skylights or other natural daylight sources to reduce lighting during daytime hours.

Remove unnecessary lamps (de-lamp) in overlit areas. Check your light levels against standards from the Illuminating Engineering Society (IES) to see if you have areas that are over- or under-lit.

Find and fix water leaks.

Insulate hot water holding tanks and hot & cold water pipes.

Set your water heater at the lowest required temperature.

Install faucet aerators and efficient showerheads.

Use hot water wisely.