Does Earth experience unequal heating?

I am a little unsure what you are asking, although the answer is the same no matter which way I suppose.

Unequal heating from the sun occurs since the sun goes through cycles and the amount of energy it produces varies slightly.

Unequal heating at different latitudes, since the rays of the sun strike the Earth at different angles dependent on latitude. This means some parts of the Earth receive more direct energy than other parts of the Earth at different times of the year.

Unequal heating in terms of albedo. Albedo is reflectiveness, and different surfaces on the Earth vary in reflectiveness and if the energy is not reflected it is absorbed. A freshly tilled field of black soil will absorb a lot more heat than the white icy surface of a glacier.

If you require more information please let me know.

Yes, Earth experiences unequal heating due to various factors such as variations in the angle of sunlight hitting different parts of the Earth's surface, differences in surface characteristics like land and water, and atmospheric circulation patterns.