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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. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Institutional heating systems (office buildings or schools, for example) can use low-grade, inexpensive bunker fuel to run their heating plants, but capital cost is high compared to more easily managed liquid fuels. Natural gas is a widespread heating fuel in North America and northern Europe. Gas burners are automatically controlled and ...

4. Forced-air gas - Wikipedia

   en.wikipedia.org/wiki/Forced-air_gas

   Older furnaces sometimes relied on gravity instead of a blower to circulate air. [1]Gas-fired forced-air furnaces have a burner in the furnace fueled by natural gas.A blower forces cold air through a heat exchanger and then through duct-work that distributes the hot air through the building. [2]

5. The Boise area is a growing hot spot for tourists. A new ...

   www.aol.com/boise-area-growing-hot-spot...

   The 131-room Residence Inn Eagle Boise by Marriott at 515 S. Palmetto Ave. is getting set to open Oct. 29 as part of Eagle’s Molinari Park development between State Highway 44 and Plaza Drive ...

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7. District heating - Wikipedia

   en.wikipedia.org/wiki/District_heating

   The Reykjavík Capital Area district heating system serves around 230,000 residents had an maximum thermal power output of 830 MW. In 2018, the average annual heating demand in the Reykjavik area was 473MW. [95] It is the largest district heating system in Iceland and is operated by Veitur. Heat is supplied from the Hellisheiði (200MWth) and ...