Is it fair that a co worker I work with is always roasting and I’ve to suffer being cold?

She’s always warm this woman is in her early 30s and complains about the heat constantly always has the air con and any time I turn on the radiator behind me she turns it off.
I’m sick of being cold.
Anyone any advise?
Is it fair that a co worker I work with is always roasting and I’ve to suffer being cold?
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