- Furnace is the first album released by the industrial music group Download. It was one of the first albums released with a lenticular cover. Their follow-up EP Microscopic also made use of this new type of packaging.
- A furnace is a device used for heating. The name derives from Latin fornax, oven. The earliest furnace was excavated at Balakot, a site of the Indus Valley Civilization, dating back to its mature phase (c. 2500-1900 BC). The furnace was most likely used for the manufacturing of ceramic objects.
- An enclosed structure in which material can be heated to very high temperatures, e.g., for smelting metals
- Used to describe a very hot place
- an enclosed chamber in which heat is produced to heat buildings, destroy refuse, smelt or refine ores, etc.
- An appliance fired by gas, oil, or wood in which air or water is heated to be circulated throughout a building in a heating system