The Brief

• Reduce the power consumption of lighting in a 3 bedroom house
• Provide some means to demonstrate lower power consumption
• Reduce the ongoing cost of light bulb replacement

Other Special Requests

• Replace a couple of broken dimmer switches
• Don't leave us in the dark with dim low energy bulbs!

Before...

• Energy usage with all lights turned on - 2.8 Kw!

The Work Involved

• Fit an energy monitor
• Fit recessed down-lighters into landing and 2nd bedroom, then fit LED bulbs (only 1 Watt)
• Replace 500W outside floodlight bulbs with 300W bulbs
• Remove broken dimmers and replace with simple switches (LED bulbs cannot be run from dimmers)
• Replace bathroom light with new splash proof low wattage light
• Fit low energy bulbs to all other lamps and pendants in rooms
• Fit special dimmable low energy bulb in main bedroom

The Solution Design

• Straightforward - make it possible to use low energy lighting in as many locations as possible without compromising on quality or need for light
• Long-lasting LED bulbs (50,000 hours), low energy bulbs (2000 hours)
• Energy monitor placed in communal area for ongoing monitoring

After...

• Energy usage with the revised lighting scheme - 0.9 Kw, a 1900 Watt reduction!