People looking for the best gas and electricity prices can save money by adjusting their heating systems during the summer.
Which? told consumers to change their central heating down to a cooler setting when the weather starts getting warmer. This will help save money and energy.
Summer is the perfect time for homeowners to get their boiler checked and bleed their radiators to get rid of any air pockets.
Which? also recommended making the most of the warmer weather and removing any big bits of debris from solar panels.
Although they're self-cleaning, large pieces of rubbish could stop them from working properly.
Which? stated: "Be careful not to damage equipment and make sure you read manufacturer guidelines first."
Residential customer liaison for Joju Solar Will Broadfoot recently said solar panels are still a good investment, even though Feed-in Tariffs have changed.
Make sure you're not paying too much for your energy - compare gas and electricity prices now at energyhelpline.com or call 0800 074 0745