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  2. Gas heater - Wikipedia

    en.wikipedia.org/wiki/Gas_heater

    A wall mounted gas heater that runs on either propane or natural gas. 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 vented and unvented.

  3. Air handler - Wikipedia

    en.wikipedia.org/wiki/Air_handler

    A rooftop packaged unit or RTU. An air handler, or air handling unit (often abbreviated to AHU), is a device used to regulate and circulate air as part of a heating, ventilating, and air-conditioning (HVAC) system. [1] An air handler is usually a large metal box containing a blower, furnace or A/C elements, filter racks or chambers, sound ...

  4. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    Central heating. A central heating system provides warmth to a number of spaces within a building from one main source of heat. It is a component of heating, ventilation, and air conditioning (short: HVAC) systems, which can both cool and warm interior spaces. A central heating system has a furnace that converts fuel or electricity to heat.

  5. Heating system - Wikipedia

    en.wikipedia.org/wiki/Heating_system

    Heating system. A heating system is a mechanism for maintaining temperatures at an acceptable level; by using thermal energy within a home, office, or other dwelling. Typically, these systems are a crucial part of an HVAC (Heating, Ventilation, and Air Conditioning) system. A heating system can be categorized into central heating system or ...

  6. Furnace (central heating) - Wikipedia

    en.wikipedia.org/wiki/Furnace_(central_heating)

    Furnace (central heating) A furnace (American English), referred to as a heater or boiler in British English, is an appliance used to generate heat for all or part of a building. Furnaces are mostly used as a major component of a central heating system. Furnaces are permanently installed to provide heat to an interior space through intermediary ...

  7. Gasoline heater - Wikipedia

    en.wikipedia.org/wiki/Gasoline_heater

    A gasoline heater is a small gasoline-fueled space-heater. Fixed versions were originally used mainly for supplemental heat for passenger compartments of automobiles and aircraft, with the latter still in production. Portable versions were also made. Gasoline heaters were commercially available on automobiles starting in the 1930s with ...