Of course, no pun intended, it all depends on the Course, the Instructor and the Textbook that is used.
But I think you can say the The Laws of Thermodynamics govern Heat Transfer.
Heat Transfers can involve some Nasty Calculus with a Bunch on Non-Linear Differentail Equations running around making Life Difficult. That is for sure.
Where as a 1st semester Thermo-D class tends to just hit the highlights and the Big Picture of each of the Four Laws of Thermo-D.
I took two semesters of Thermo but, neither one of them kicked my .... like that Heat Transfer class.