As you may know, down jackets shouldn't be dry cleaned. The chemicals involved in dry cleaning can affect the thermal efficiency of your jacket. There are, however, specialist backpacking camping shops that will professionally clean your jacket.
The washing instructions for down jackets vary, but some can be put in a washing machine. Check all the care tags, because washing instructions can be very specific. Normally you should turn the jacket inside out and fasten all the pockets and openings. Some companies recommend that you wash down items on a very gentle cold cycle using a special soap intended for down. It is available at backpacking shops.
Some manufacturers recommend using a commercial, rather than a home dryer because the latter can cause holes in your jacket. The jacket needs to have adequate room to move around and should be dried on a low heat. This may take a long time but it prevents your jacket from being damaged.
Before you do anything, it is best to check with the manufacturer of your jacket; they should have some instructions for drying that they can give you. Down jackets are a bit tricky to care for, and you don't want to take any chances with damaging it (or your dryer).
The washing instructions for down jackets vary, but some can be put in a washing machine. Check all the care tags, because washing instructions can be very specific. Normally you should turn the jacket inside out and fasten all the pockets and openings. Some companies recommend that you wash down items on a very gentle cold cycle using a special soap intended for down. It is available at backpacking shops.
Some manufacturers recommend using a commercial, rather than a home dryer because the latter can cause holes in your jacket. The jacket needs to have adequate room to move around and should be dried on a low heat. This may take a long time but it prevents your jacket from being damaged.
Before you do anything, it is best to check with the manufacturer of your jacket; they should have some instructions for drying that they can give you. Down jackets are a bit tricky to care for, and you don't want to take any chances with damaging it (or your dryer).