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  2. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    A condensing boiler Hot water central heating unit, using wood as fuel. 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 ...

  3. Furnace (central heating) - Wikipedia

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

    Air convection heating systems have been in use for over a century. Older systems rely on a passive air circulation system where the greater density of cooler air causes it to sink into the furnace area below, through air return registers in the floor, and the lesser density of warmed air causes it to rise in the ductwork; the two forces acting ...

  4. Heating system - Wikipedia

    en.wikipedia.org/wiki/Heating_system

    Central heating systems: These systems produce heat in one central location and distribute it throughout the building. This category includes furnaces, boilers, and heat pumps. [1] [2] Distributed heating systems: These systems generate heat in the space they are to heat, without extensive duct systems. Examples include electric space heaters ...

  5. Is It Cheaper To Run Space Heaters Or Central Heat? - AOL

    www.aol.com/cheaper-run-space-heaters-central...

    Heating costs for central units also vary depending on variables such as the size and age of the house (older homes tend to be less insulated) and the type of heat. The home’s condition also ...

  6. 5 Signs That It's Time to Turn on the Heat for Winter ... - AOL

    www.aol.com/5-signs-time-turn-heat-203320559.html

    Whether you have a furnace or electric heat, knowing the right time to turn your heat on may prolong the system's life, prevent damage (like frozen pipes), and optimize energy efficiency. 1 ...

  7. Electric heating - Wikipedia

    en.wikipedia.org/wiki/Electric_heating

    Electric heat can be accurately applied at the precise point needed in a process, at high concentration of power per unit area or volume. Electric heating devices can be built in any required size and can be located anywhere within a plant. Electric heating processes are generally clean, quiet, and do not emit much byproduct heat to the ...

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