Halogen bulbs put out a lot of focused light but they do it at the expense of burning up a lot of Watts and generating a lot of heat. The cost for an LED replacement like the one seen disassembled ...

That sounds impressive until you read the fine print: "compared with worn standard halogen ... bulbs we tested, shop by price. The illumination of any bulb fades with time, so we suggest replacing ...

But even if your Halogen bulbs haven't burnt out yet, it's still advisable to replace them with LED bulbs, which are ...

Light bulbs that are LED versions cost much less to run, saving households on average hundreds of pounds each year ...