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  2. Furnace (central heating) - Wikipedia

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

    The fourth category of furnace is the high-efficiency condensing gas furnace. High efficiency condensing gas furnaces typically achieve between 90% and 98% AFUE. [3] A condensing gas furnace includes a sealed combustion area, combustion draft inducer and a secondary heat exchanger. The primary gain in efficiency for a condensing gas furnace, as ...

  3. Ground source heat pump - Wikipedia

    en.wikipedia.org/wiki/Ground_source_heat_pump

    Annual greenhouse gas (GHG) savings from using a ground source heat pump instead of a high-efficiency furnace in a detached residence (assuming no specific supply of renewable energy) Country Electricity CO 2 Emissions Intensity GHG savings relative to natural gas heating oil electric heating; Canada: 223 ton/GWh [36] [37] [38] 2.7 ton/yr: 5.3 ...

  4. Heating, ventilation, and air conditioning - Wikipedia

    en.wikipedia.org/wiki/Heating,_ventilation,_and...

    In the United States, federal licensure is generally handled by EPA certified (for installation and service of HVAC devices). Many U.S. states have licensing for boiler operation. Some of these are listed as follows: Arkansas [46] Georgia [47] Michigan [48] Minnesota [49] Montana [50] New Jersey [51] North Dakota [52] Ohio [53] Oklahoma [54 ...

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    Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

  6. Smart Columbus - Wikipedia

    en.wikipedia.org/wiki/Smart_Columbus

    Smart Columbus is an innovation organization in Columbus, Ohio. The initiative is led by the City of Columbus and the Columbus Partnership, a nonprofit organization for development in Central Ohio. Smart Columbus was founded in 2016 to utilize $50 million in grant awards toward technology, transportation, and environmental developments. [1]

  7. Franklin Furnace, Ohio - Wikipedia

    en.wikipedia.org/wiki/Franklin_Furnace,_Ohio

    The community that grew in that area is named after the furnace. [5] The community's name ultimately is derived from Benjamin Franklin. [6] It is located within the land that was the French Grant by Congress in 1795 to a group of French colonists were defrauded by the Scioto Company. A post office called Franklin Furnace has been in operation ...

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