Yes, you can! Several of our blenders have a preprogrammed "Soup" or "Hot" cycle. Even if your model doesn't have this feature, you can blend on a high speed for 90-180 seconds. The blender itself does not have a heating element; however, the length of time, combined with the friction from the speed of the blender, heats the ingredients. If your soup isn't warm enough, blend until desired temperature is reached. *PLEASE NOTE: The maximum temperature we recommend exposing the jar to is 176°F (80°C). Things get hotter as they blend, so avoid adding ingredients over 115°F (46°C). Please keep in mind that boiling water is too hot for the jar and should never be poured into the jar.