You searched for: “thermophobia
thermophobia (s) (noun) (no plural)
1. An excessive hatred of heat: Some people who suffer from thermophobia feel terribly uncomfortable in hot regions and sweat immoderately, besides getting a headache.
2. Intolerance of high temperatures: Polar bears live mainly within the Arctic Circle and love the sea ice covering the waters, and these bears would not survive living in hot areas at all and are therefore totally afflicted with thermophobia!