Which wattage of energy saving light bulb do I need?
Because energy saving light bulbs use less power, the wattages needed to produce the same brightness as traditional light bulbs are lower too.
Compact Fluorescent Equivalent Wattages
A table of equivalent wattages for compact fluorescent energy saving light bulbs is given below as a general guide. Equivalent wattages can vary by manufacturer or bulb type, and these are given on the product descriptions where available.
| Ordinary Bulbs |
Energy Saving Equivalent |
| 25W |
4-6W |
| 40W |
8-11W |
| 60W |
13-18W |
| 100W |
20-25W |
Osram IRC Energy Saving Halogen Equivalent Wattages
Osram Decostar IRC energy saving halogen light bulbs require less energy than regular dichroic halogen lamps. The table below shows the equivalent wattages.
| Standard Halogen |
IRC Equivalent |
| 35W |
20W IRC |
| 50W |
35W |
| 65W |
50W |
For Osram IRC Energy Saving Halogen Light Bulbs, the wattages needed are lower too - the table below shows these.