What temperature should I set my central heating?

My partner and I argue over whether we should turn it up or just put on another jumperEvery week a Guardian Money reader submits a question, and it’s up to you to help him or her out – a selection of the best answers will appear in next Saturday’s paper.Our annual heating battle has begun. My partner sets the thermostat at 22C. I turn it down to 19C. He says that’s freezing, blames my Scottish upbringing and pumps it back up again. I say put on another jumper (and save mo