Fished in the RAIN last Sat and had to do a 'Dry Out" that took four days !!
Sun, I Sucked up as much as I could with the Shop Vac. About 4-5 GALLONS !! I let that Air Out over night.
Mon, I covered it with some old bath towels. Lay them out SMOOTH over the carpet. They will soak up most of the rest of the water that way.
Tues, left the towels another day
Wed, removed the towels, they were pretty wet, but the carpet was about 95% dry now. Let it air out again,
Thurs, all dry !!
I've been doing it like this for over 30 yrs and it seems to do the trick without using any heaters or fans. I store my boat in a metal garage, so if you store it outside this won't work for you.