Which? investigatesYou rang? And rang. And rang...

Discover the energy company that takes more than 30 minutes to answer customer service calls...

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Fix the Big Six and the energy market

We want to see radical reforms from the government, regulators and energy companies

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Find best buy energy saving appliances

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Which? reviewBest boilers

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Use our expert reviews to find a Best Buy boiler to suit you and stay toasty all winter long.

Which? guideCheaper energy bills

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Save money on your gas and electricity bills, and calculate how much different appliances cost to run.

Which? guideInsulate your home

Insulation

Stop heat escaping from your home and cut your energy bills at the same time with our guides to buying insulation.

Essentials & tips

Buying Solar Panels

Should you buy solar panels?

See our guide to solar panel systems, from the types to the costs and savings, to find out whether it's right for you.

Heating Oil

Get the best price for heating oil

Our guide talks you through buying a heating oil tank, maintaining and fixing one, and how to get the best price.

Energy Monitors2

Save money on your energy bills

An energy monitor could help you reduce how much energy you use - find out which ones came top in our test.

Energy saving tools and calculators

  • Recycle tool

    From washing machines to batteries, find out how to recycle electrical items with our product recycling tool.

    Recycle tool
  • Energy cost calculators

    Find out how much your appliances are costing you to run with our easy to use cost calculators. 

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  • Washing machine repairs tool

    Has your washing machine developed a fault? See if it can be fixed using our free troubleshooter.

    Washing machine repairs tool