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2. Central heating - Wikipedia

   en.wikipedia.org/wiki/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.

3. Furnace (central heating) - Wikipedia

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

   Heating appliances that use steam or hot water as the fluid are normally referred to as a residential steam boilers or residential hot water boilers. The most common fuel source for modern furnaces in North America and much of Europe is natural gas; other common fuel sources include LPG (liquefied petroleum gas), fuel oil, wood and in rare ...

4. AOL Mail

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5. List of boiler types by manufacturer - Wikipedia

   en.wikipedia.org/wiki/List_of_boiler_types_by...

   donkey boiler: A donkey boiler is used to supply non-essential steam to a ship for 'hotel' services such as heating or lighting when the main boilers are not in steam, for example, when in port. [3] Donkey boilers were also used by the last sailing ships for working winches and anchor capstans. See also auxiliary boiler.

6. Pellet heating - Wikipedia

   en.wikipedia.org/wiki/Pellet_heating

   Pellet heating is a heating system in which wood pellets (small pellets from wood chips and sawdust) are combusted. Other pelletized fuels such as straw pellets are used occasionally. Today's central heating system which run on wood pellets as a renewable energy source are comparable in operation and maintenance of oil and gas heating systems.

7. Vaillant Group - Wikipedia

   en.wikipedia.org/wiki/Vaillant_Group

   This was a great technical innovation at the time and Johann Vaillant had a lasting impact on the development of heating technology. At the same time, he opened up a new market segment. In 1924 a further technical milestone was reached, with the development of the first central heating boiler. This device made it possible to heat a whole ...

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   Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

9. Phase-out of fossil fuel boilers - Wikipedia

   en.wikipedia.org/wiki/Phase-out_of_fossil_fuel...

   The International Energy Agency has said that new gas boilers (or gas furnaces) should be banned no later than 2025. [2] Many installations and appliances have a life-span of 25 years, leading for calls that the bans must take place immediately, or at latest by 2025, because otherwise targets of net zero by 2050 cannot or are unlikely to be ...