19 possible answers to
Answers with 3 characters: SPA TUB Answers with 4 characters: HELL KILN OAST OVEN SARA Answers with 5 characters: HADES SAUNA SCENE STOVE Answers with 6 characters: DESERT GEYSER HEARTH Answers with 7 characters: FURNACE INFERNO TROPICS Answers with 9 characters: FIREPLACE Answers with 10 characters: WHEREITSAT