Which light bulbs are the most energy efficient? If you used a lightbulb for 3 hours per day, it would cost per year: ➡️£2 for a LED bulb ➡️£7.50 for a CFL bulb ➡️£13 for a halogen bulb ➡️£24 for an incandescent bulb Find out more⤵️ citizensadviceknowsley.org.uk/contact-us/
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