Duvet Is Too Hot . The duvet cover makes it easier to change bedding looks and styles. It's actually the most amazing fabric to. When temperatures start to cool, a light comforter creates an ideal from www.pinterest.com Scooms also offer an ultra light 2.5 tog duvet for high summer nights and hot sleepers. The other split duvet is the eve warm:cool duvet that can be your choice of a 4.5 tog duvet, a 10.5 tog duvet or alternatively when both pieces are buttoned together, it’s a cosy 15 tog. ï¤ ï¤ª yes, a duvet cover can be used on a comforter.