Is there a difference between the use of 暖和 and 温暖？
温暖- warm; warmth; to warm
暖和- warm; nice and warm; warm and comfortable

Difference between 暖和 and 温暖
暖和 is strictly an adjective; 温暖 can be a noun, adjective or even verb
Example:

室內很暖和; 室內很温暖 (both are adjective 'warm')

送上一份溫暖 (溫暖 is a noun 'warmth')

用熱水溫暖一下雙手 (溫暖 is a verb 'to warm')


Both 温暖 and 暖和 can refer to physical warmth; but 温暖 can also be used metaphorically for emotion of &quot;warm feeling&quot;.
Example:

we say: &quot;從未嚐過家庭温暖&quot; (have never felt warmth of a family) not &quot;從未嚐過家庭暖和&quot;

we say:&quot;內心十分温暖&quot; (feel warm inside one's heart)not &quot;內心十分暖和&quot;


温暖 is more general; 暖和 is more specific, if you say 感到温暖, it can either mean you feel 'physical warmth' or feel 'emotionally touched' , while 感到暖和  can only mean you are actually feeling warmth physically