The best home decarb without a fancy decarb machine like the Ardent Nova ( I finally have one ) is in the oven. set the temp to 250F
( if your oven runs hot or cooler, adjust accordingly ). bake for 27 minutes and remove from oven immediately. Every minute longer at this temp or higher is degrading the cannabinoids. Now the information this is based on is scientific, but it was based on decarbing a solution. Still its the best information we have to go by when using home methods and is more accurate than any other.