Daily Archives for March 11, 2013


Perth-Singapore 11th March 2013 Calculating return on investment (ROI) is quite a daunting exercise. Over the last couple of days I have been putting together an ROI for replacing the conventional lighting in a hotel into sustainable lighting solution principally based … Continue reading

11. March 2013 by Martin Klaasen
Categories: going green, light watch, lighting and sustainability, lighting and the economy | Leave a comment

Get Adobe Flash player