heater Heating, ventilation, and air conditioning (HVAC ) is the use of various technologies to control the temperature, humidity, and purity of the air in an enclosed space. Its goal is to provide thermal comfort and acceptable indoor air quality. ...

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 central heating system provides warmth to a number of spaces within a building from one main source of heat. A central heating system has a Furnace (central heating), furnace that converts fuel or electricity to heat through processes. The he ...

, a system used to heat an entire building

Devices

Aquarium heater An aquarium heater is a device used in the fishkeeping hobby to warm the temperature of water in aquariums. Most tropical freshwater and marine aquariums are maintained at temperatures that range from . The types include glass immersion heaters a ...

, in fishkeeping, used to warm aquarium water *

Boiler A boiler is a closed vessel in which fluid (generally water) is heated. The fluid does not necessarily boil. The heated or vaporized fluid exits the boiler for use in various processes or heating applications, including water heating, centra ...

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) Radiators and convectors are heat exchangers designed to transfer thermal energy from one medium to another for the purpose of space heating. Denison Olmsted of New Haven, Connecticut, appears to have been the earliest person to use the term ' ...

or heater, used to transmit heat from a boiler *

Space heater A space heater is a device used to heat a single, small- to medium-sized area. This type of heater can be contrasted with central heating, which distributes heat to multiple areas. Types Dominant mode of heat transfer All space heaters t ...

, that heats a single area **

Gas heater A gas heater is a space heater used to heat a room or outdoor area by burning natural gas, liquefied petroleum gas, propane, or butane. Indoor household gas heaters can be broadly categorized in one of two ways: ''flued'' or ''non-flued,'' or ...

, that heats a area using gas **

Oil heater An oil heater, also known as an oil-filled heater, oil-filled radiator, or column heater, is a common form of convection heater used in domestic heating. Although filled with oil, it is electrically heated and does not involve burning any oil ...

, that heats oil to heat a room

Physics

Heating element A heating element is a device used for conversion of electric energy into heat, consisting of a heating resistor and accessories. Heat is generated by the passage of electric current through a resistor through a process known as Joule heating. He ...

, a device that converts electricity into heat *

Cathode heater In vacuum tubes and gas-filled tubes, a hot cathode or thermionic cathode is a cathode electrode which is heated to make it emit electrons due to thermionic emission. This is in contrast to a cold cathode, which does not have a heating element. T ...

, in vacuum tubes and gas-filled tubes ** Heater, a vacuum tube filament for an

indirectly heated cathode A vacuum tube, electron tube, thermionic valve (British usage), or tube (North America) is a device that controls electric current flow in a high vacuum between electrodes to which an electric potential difference has been applied. It takes th ...

in a vacuum tube

Music

Heaters (band) Heaters is an American alternative rock band, formed in 2013 in Grand Rapids, Michigan. The band is currently composed of singer-bassist Nolan Krebs, drummer Joshua Korf, guitarist Ryan Hagan and singer-guitarist Ben Taber. The band's original ...

, 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 IllScarlett (styled as illScarlett; ) is a Canadian rock music, rock and reggae band formed in 2001. Their most prominent influence is California-based band Sublime (band), Sublime. The band found their break when they set up their ...

Other uses

* Heater, a

slang A slang is a vocabulary (words, phrases, and linguistic usages) of an informal register, common in everyday conversation but avoided in formal writing and speech. It also often refers to the language exclusively used by the members of pa ...

term for a

firearm A firearm is any type of gun that uses an explosive charge and is designed to be readily carried and operated by an individual. The term is legally defined further in different countries (see legal definitions). The first firearms originate ...

, usually a

handgun A handgun is a firearm designed to be usable with only one hand. It is distinguished from a long gun, long barreled gun (i.e., carbine, rifle, shotgun, submachine gun, or machine gun) which typically is intended to be held by both hands and br ...

revolver A revolver is a repeating handgun with at least one barrel and a revolving cylinder containing multiple chambers (each holding a single cartridge) for firing. Because most revolver models hold six cartridges before needing to be reloaded, ...

* Heater (surname) *

Heater shield The heater shield or heater-shaped shield is a form of Middle Ages, European medieval shield, developing from the early medieval kite shield in the late 12th century in response to the declining importance of the shield in combat thanks to impr ...

, a type of shield *

Heaters, West Virginia Heaters is an Unincorporated area, unincorporated community in Braxton County, West Virginia, Braxton County, West Virginia, United States. Heaters is situated approximately three miles north of Flatwoods, West Virginia, Flatwoods on U.S. Route 19 ...

, an unincorporated community in the US * A nickname for a

fastball The fastball is the most common type of pitch (baseball), pitch thrown by pitchers in baseball and softball. Its distinctive feature is its high speed. "Power pitchers," such as former major leaguers Nolan Ryan and Roger Clemens, relied on the ...

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