お冷[ohiya] cold (drinking) water
花冷え[hanabie] chilly spring weather
寒冷[kanrei] cold
興冷め[kyouzame] kill-joy
空冷[kuurei] air cooling

空冷式[kuureishiki] air-cooled
水冷式[suireishiki] water-cooled
頭を冷やす[atamawohiyasu] to cool down one's anger
保冷[horei] keep cool

熱燗[atsukan] hot sake
燗冷まし[kanzamashi] leftover sake (which has cooled)
燗酒[kanzake] warmed sake
燗徳利[kandokuri] bottle used for warming sake

燗をつける[kanwotsukeru] to warm up sake
燗番[kanban] person in charge of warming sake in a bar
人肌燗[hitohadakan] sake warmed to human body temperature (approx. 37 degrees C)