The brightness is almost the same, the light is identical. The only difference is the lower to 7 watts of power. During the life makes the 14 kW / h savings, or about 2.52 euros. Quasi the price difference when shopping. Is it broken before - tough luck. And since mitheizen in winter and in the transitional period the 7 Watt consumption when cheap Halopin the apartment, the energy is not lost. In summer ists light long since you need only briefly light. So you worked especially during the heating season. Since electricity is about twice as expensive as gas when heated so that real energy savings are approximately 1.30 euros per bulb life too low in order to (unjustified) to amortize the higher purchase price.
Ergo: The purchase of expensive "eco" version is not worthwhile. The normal Halopin tuts!
Addendum 09.02.2012:
Meanwhile, there are two lamps for almost identical price. For 2.50 euros you should then quietly grab the Eco version and save energy. Conversion to LED technology would be generally more meaningful, as far as possible. Conversion to conventional energy-saving lamps is now also possible. Osram offers a tiny energy-saving lamp with an identical base:
OSRAM DULUXSTAR Nano Twist G9
