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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

   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.

4. Gas stove - Wikipedia

   en.wikipedia.org/wiki/Gas_stove

   A gas stove is a stove that is fuelled by flammable gas such as natural gas, propane, butane, liquefied petroleum gas or syngas. Before the advent of gas, cooking stoves relied on solid fuels , such as coal or wood.

5. Stove - Wikipedia

   en.wikipedia.org/wiki/Stove

   Gas-powered stoves are criticized for environmental concerns with methane emission and the usage of natural gas, the danger of carbon monoxide release, and difficulty in cleaning. For example, a January 2022 Stanford-led study reveals that the methane leaking from gas-burning stoves has a climate impact comparable to the carbon dioxide ...

6. Home improvement - Wikipedia

   en.wikipedia.org/wiki/Home_improvement

   Home or residential renovation is an almost $300 billion industry in the United States, [5] and a $48 billion industry in Canada. [6] [full citation needed] The average cost per project is $3,000 in the United States and $11,000–15,000 in Canada. Professional home improvement is ancient and goes back to the beginning of recorded civilization.

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