If you don’t have a dryer, put it on radiator or in airing cupboard and turn it/shake it regularly til its dry & as the down dries out it will separate and fluff up.Click to see full answer. Beside this, how do you fluff a down jacket without a dryer?If you don’t have a dryer, put it on radiator or in airing cupboard and turn it/shake it regularly til its dry & as the down dries out it will separate and fluff up.Similarly, can you wash a down jacket without a tumble dryer? To make a long story short: without a tumble-dryer you should think twice before starting. You can try, of course, but you need be aware that the process of drying will take up to ten days. You will need to keep the product in a very dry place and turn it regularly. Secondly, how do I fluff up my down jacket? Set the dryer to the low heat/air-fluff setting. Run the dryer for five to 10 minutes, or until the jacket is as puffy as you’d like. Remove the jacket and shoe. Shake the jacket and fluff it up with your hands as you would fluff a pillow.Can you put a down jacket in the dryer?Place your jacket in the washing machine on a warm cycle (not hot or cold) and put in the down wash as directed. When it’s time to dry, use a very low heat setting on your dryer and throw in three clean tennis balls to help break up wet clumps of down.