Energy bills have gone up yet again this January, with a 1.2% rise stacking on top of a 10% jump three months before – and they’re expected to go up again next time too.

So it’s no surprise that many of us are frantically searching for any way we can trim a few more pounds off our energy bills to try to keep costs down any way we can find as Ofgem pushes standard variable tariff prices higher and higher.

The usual tricks of turning down the heating by a couple of degrees, switching to…