Overheating with 20W charging brick

Hi, I've been really curious about the overheating happening while I'm charging my phone, just to compensate with the heat I always have my aircon on in the room just to help it while charging but still it does still kinda heat up until all the way from 60-70 and then starts to cool down. Will that mean my battery health will also decrease faster because of the overheating happening whilst charging ?