The Standard's journalism is supported by our readers. When you purchase through links on our site, we may earn an affiliate commission. Aside from being told you need a new roof, the words ...

CUSTOMERS of major energy suppliers are being urged to check a secret boiler button that that could slash energy bills by as ...

This is much too high - especially if you have a combi boiler. Although the idea is that a boiler flow temperature of 80°C will allow it to operate at an 80/60 level (i.e. the water will travel ...