3W Philips Econic GU10 replacement for the 35W halogen bulb. [via becky!]
£25, but a “glowing” review. Very exciting. Where do you buy?
Different, but related currentcost.com allows you to measure the electricity usage in your home without needing any electrical wiring - it is very very easy and safe to setup. Available via ebay.co.uk. Depending on who you get your electricity from, you might be able to get one free/discounted too.
It’s not an exact science, but it really does focus the mind and for nerds like me they are great. We’ve had one for about a year, and I love it.
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