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2. Electric steam boiler - Wikipedia

   en.wikipedia.org/wiki/Electric_steam_boiler

   [citation needed] Electricity is expensive, and with expected rises in the price of electricity, the use of it in electric boilers will come with a large price. [3] Although there is an argument that in the event of a power outage or brownout the boiler would become unusable (in comparison to gas boilers), in fact both systems need an external ...

3. 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 ...

4. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   The energy cost of heating is one of the main costs of operating a building in a cold climate. Some central heating plants can switch fuels for reasons of economy and convenience; for example, a home owner may install a wood-fired furnace with electrical backup for occasional unattended operation.

5. IGS Energy - Wikipedia

   en.wikipedia.org/wiki/IGS_Energy

   IGS Energy, also known as Interstate Gas Supply, Inc., is an independent retail natural gas and electric supplier based in Dublin, Ohio, United States.It serves more than 1,000,000 residential, commercial and industrial customers in the states of Ohio, Michigan, Kentucky, New York, Pennsylvania, Indiana, Virginia, Maryland, Texas, California, Illinois and Massachusetts.

6. AOL

   search.aol.com

   The search engine that helps you find exactly what you're looking for. Find the most relevant information, video, images, and answers from all across the Web.

7. National Board of Boiler and Pressure Vessel Inspectors

   en.wikipedia.org/wiki/National_Board_of_Boiler...

   The National Board trains hundreds of boiler and pressure equipment professionals from around the world every year. National Board training facilities are located on a 16-acre (65,000 m 2) wooded campus in Columbus, Ohio.