There is a reason why down comforters should be cleaned as infrequently as possible. For one, the down used as the fill in the comforter has natural oils which, when cleaned frequently will break down, and so will the down loft. The other reason why you should avoid cleaning your down comforter every other day is because it compromises on the durability of the comforter itself, in addition to making it flat and lumpy over time. Because of this, it is very important that you invest in a washable comforter cover and learn to do routine comforter care to ensure your comforter remains smelling nice and fresh throughout.
Preferably, you should ensure your down comforter has two coverage layers. The first layer should be a tightly woven and fitted sipper cover and the second one should be a simple decorative cover. With comforter covers, you can wash them as frequently as you wish as long as you follow laundering instructions that are always indicated on the labels/tags. Caring for a down comforter is also about fluffing the down bedding on a daily basis so that it remains evenly distributed throughout.
Cleaning and maintaining down comforters is also about aeration on a regular basis. During warm weather, it is advisable to take the down bedding outdoors for aeration. You should do this once or twice a week. Simply take the down bedding out from its covers and then hang it outside on a cloth line so it gets exposed to fresh air and breeze.
By the end of the day, you will be guaranteed that your down comforter will be completely dry and smelling fresh. Because down comforters should not be washed frequently, this is a great way to get rid of the stale stench of sweat in a down comforter. This is good practice especially in down comforters used in guest rooms. You don’t need to clean your down comforter each time a guest leaves. Further, direct exposure to sunlight will kill any mildew or mold spores which may have found a new home in your expensive down comforter. If the weather is not favorable enough, just air your down comforter whenever the opportunity to do so arises.
Cleaning a down comforter is very easy, but only if you follow the manufacturer instructions on the tags/label, see more info here. If it is specified that the down comforter should be dry cleaned, by all means take it to a professional launder, preferably one who is experienced in cleaning down. Never clean a down comforter with water if it is clearly indicated that it should be dry cleaned.
Even if your bedding is machine washable, you might want to consider using the service of a professional launder. This is especially important if it is an expensive down comforter because you wouldn’t want to compromise on its quality just because you cleaned your down comforter the wrong way. Remember that washing machines can really damage the down matter, and so are small washing machines. Avoid using the regular washing machine at home. Instead, you can find a friend with a large front loading washing machine if you do not have one.
Use the recommended detergents and avoid using bleach or colored detergents, especially on plain comforters. Once you are done cleaning, just take your comforter out and press it gently to get rid of excess water, and then dry it out on low heat. You can use tennis balls to help hold the down loft in place. It is important to ensure the down comforter dries out completely before bringing it in, because any dampness would be a perfect breeding place for mold spores.