Find out which energy companies leave you on hold the longest when calling their customer service number and which ones answer calls to new customers faster
If your energy deal ends in November 2015, you'll be put on an expensive variable tariff. Which? tells you which deals are ending and how to save by switching.
Which? reveals what you need to know about online user reviews, including when reviewers get freebies. Find out how to use online reviews to your advantage.
Which? reveals the cheapest energy deals in October 2015. Over 20 deals are now under £900 a year and you could save well over £200 by switching. Find out more.
Which? analysis shows you why now is the best time to buy solar panels as proposed cuts to the feed-in tariff would take effect in January plus VAT could rise
Which? audits solar factories to reveal which brands of solar PV panels are manufactured to the highest standards. These panels should last and be problem-free
Which? reveals which energy providers offer the top five cheapest energy deals in September 2015. Also, find out more about new entrant Robin Hood Energy.
Which? research compares the price of toiletries at Asda, Boots, Morrisons, Sainsbury's, Superdrug, Tesco and more to reveal which one is the cheapest.
Discover the top five cheapest dual fuel energy tariffs for August 2015, including deals from GB Energy Supply, Gnergy and Extra Energy.
The Government has announced it is ending all funding to the Green Deal, effectively killing its flagship energy efficiency scheme. What does it mean for you?