Every 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.

We need a warmer duvet, and are thinking of going for a wool one. They aren’t cheap at more than £100 for king size but they appear to get great reviews. It’s claimed that they are warm in the winter and cool in summer - can this really be true? Or is there a better conventional option?

Do you have a problem readers could solve? Email your suggestions to money@theguardian.com or write to us at Money, the Guardian, Kings Place, 90 York Way, London N1 9GU