Thanks to a listing from Amazon, new details are now available for the Nyko Intercooler for the Xbox One. Find the current price for the cooling product, which is coming out next year on the 15th of January, right now on Amazon with this link. A picture of the product can also be viewed below this paragraph.
So far, there have been no widespread reports about the Xbox One overheating. Still, you are better off being safe than sorry. So make sure to take a look at the cooling solution if you are worried about heating issues with the system.