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2. Forced-air gas - Wikipedia

   en.wikipedia.org/wiki/Forced-air_gas

   Gas-fired forced-air furnaces have a burner in the furnace fuelled 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] Each room has an outlet from the duct system, often mounted in the floor or low on the wall – some rooms will also have an ...

3. Phase-out of fossil fuel boilers - Wikipedia

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

   The phase-out of fossil fuel boilers is a set of policies to remove the use of fossil gas (or "natural gas") and other fossil fuels from the heating of buildings and use in appliances. Typically gas is used to heat water, for showering, or central heating. In many countries, gas heating is one of the major contributors to greenhouse gas ...

4. Furnace (central heating) - Wikipedia

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

   A furnace ( American English ), referred to as a heater or boiler in British English, is an appliance used to generate heat for all or part of a building. Furnaces are mostly used as a major component of a central heating system. Furnaces are permanently installed to provide heat to an interior space through intermediary fluid movement, which ...

5. How safe is your gas stove? Here's what a new study shows. - AOL

   www.aol.com/lifestyle/safe-gas-stove-heres-study...

   Purdy advises against keeping a gas stove on if you're not actively using it for cooking, such as for heat. “If you have a range hood, go ahead and turn on the vent to help with air flow out of ...

6. Annual fuel utilization efficiency - Wikipedia

   en.wikipedia.org/wiki/Annual_fuel_utilization...

   The annual fuel utilization efficiency (AFUE; pronounced 'A'-'Few' or 'A'-'F'-'U'-'E') is a thermal efficiency measure of space-heating furnaces and boilers.The AFUE differs from the true 'thermal efficiency' in that it is not a steady-state, peak measure of conversion efficiency, but instead attempts to represent the actual, season-long, average efficiency of that piece of equipment ...

7. Gas stoves may contribute to early deaths and childhood ... - AOL

   www.aol.com/news/gas-stoves-may-contribute-early...

   Gas stoves emit a variety of pollutants, including asphyxiating carbon monoxide, cancer-causing formaldehyde and benzene. The flame also creates nitrogen dioxide, a precursor to smog and a ...