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No heat does not flow from colder to hotter. It flows from hot to cold.
From hotter to colder
Such energy can be transferred. Usually it will transfer from hotter objects to colder objects.
Colder
Yes, heat DOES transfer from the colder to the hotter body but there is a NET heat transfer from the hotter to the colder body.
Heat transfer
No heat does not flow from colder to hotter. It flows from hot to cold.
conduction
From hotter to colder
Such energy can be transferred. Usually it will transfer from hotter objects to colder objects.
The mechanisms to transfer heat are conduction, convection, and radiation. Heat will naturally flow from hotter to colder objects.
Heat has a tendency to move from hotter to colder substances. To store thermal energy, you need to keep an object hotter (or colder) than its surroundings; and there are no perfect insulators that stop the flow of heat altogether.
Colder
Colder
Colder
Yes, heat DOES transfer from the colder to the hotter body but there is a NET heat transfer from the hotter to the colder body.
It is not clear what sort of energy you are talking about. In the case of heat: heat has a natural tendency to flow from hotter objects to colder objects. If your house is hotter than the surroundings, then heat energy will flow out of it.