Comparisons of cost when using 20w (100w)Energy saving light bulb instead of 100W Incandescent bulb
                     
Type of Bulb period/hours cost of bulb No. of bulbs used in 8000 hours Overall cost of bulbs Kw consumed in 8000 hours approx cost/kw running costs over 8000 hours total cost (bulb and running costs) if average of 6 hours use/day, 8000 hours equals: (years): running cost/year
100w incandesent 8000 0.70 8 5.60 800 0.08 64.00 69.60 3.65 19.05
20w Energy Saving bulb 8000 5.25 1 5.25 240 0.08 19.20 24.45 3.65 6.69
  SAVING 12.36
Just imagine changing all your bulbs to energy saving!      
  12 hour/day for business  
Depending on how much you use your lights you could save as much as   1.83 38.11
120/per year by replacing 10 bulbs in your house/office etc!   1.83 13.39
And, get bright lights as well!   SAVING 24.72
     
Try our other range of low enery daylight bulbs for help with SAD or to improve   4 hours/day  
your working environment   5.48 12.70
  5.48 4.46
  SAVING 8.24
     
  2 hours/day  
  10.96 6.35
  10.96 2.23
  SAVING 4.12