Calculate your Energy Savings

Current Lamp
Current Lamp Price (£)
Power of he Lamp (W)
Lifetime (Hours)
New cost per month (£)
--
Saving per month (£)
--
Return on investment (years)
--
Total saving per month (£)
--
New Lamp
Price of New Lamp (£)
Power of the Lamp (W)
Lifetime (Hours)
Situation
Number of Lamps
Average Hours per Day
Energy Cost (p/kWh)