A heater is an appliance whose purpose is to generate heat for a building. Heater or Heaters may also refer to:
Science, technology and engineering
- Central heating, a system used to heat an entire building
Devices
- Aquarium heater, in fishkeeping, used to warm aquarium water
- Boiler or heater, used to heat water for use in a heating system
- Furnace or heater, used to heat buildings using a central system
- Radiator (heating) or heater, used to transmit heat from a boiler
- Space heater, that heats a single area
- Gas heater, that heats a area using gas
- Oil heater, that heats oil to heat a room
Physics
- Heating element, a device that converts electricity into heat
- Cathode heater, in vacuum tubes and gas-filled tubes
- Heater, a vacuum tube filament for an indirectly heated cathode in a vacuum tube
Music
- Heaters (band), an American rock band
- "The Heater", a song by The Mutton Birds
- "Heater" (Samim song), a song by Samim
- "Heaters", a song on the IllScarlett album Clearly in Another Fine Mess
Other uses
- Heater, a slang term for a firearm, usually a handgun or revolver
- Heater (surname)
- Heater shield, a type of shield
- Heaters, West Virginia, an unincorporated community in the US
- A nickname for a fastball
