When the lights go out, you're in the market for a bulb replacement. But if choosing between CFLs, halogen or LEDs leaves you in the dark, our guides will separate the fact from the hype for each type. And for the eco-inclined out there we dish the dirt on power usage and gnarly chemicals like mercury – plus what to do with those annoying breakages.
Light bulbs
Light bulbs
Which light bulb will last the longest and which is cheapest to run?
Review and compare
Smart lights reviews
Want to automate your home with smart lighting? Our test covers popular smart lights from brands such as Philips Hue, Brilliant Lighting, LIFX and Wiz.
Buying guides
How to buy the best smart lights
What makes smart lights so great and what do you need to watch out for?
How to buy the best light bulbs
LED, CFL and halogen lights: what's the difference and which is best?
Support and advice