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2. Natural gas prices - Wikipedia

   en.wikipedia.org/wiki/Natural_gas_prices

   Price per million BTU of oil and natural gas in the US, 1998-2015. Natural gas prices, as with other commodity prices, are mainly driven by supply and demand fundamentals. However, natural gas prices may also be linked to the price of crude oil and petroleum products, especially in continental Europe.

3. 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 ...

4. Energy in the United States - Wikipedia

   en.wikipedia.org/wiki/Energy_in_the_United_States

   Natural gas surpassed coal for production in 2011 and for generation in 2016. Between 2006 and 2022, the US has gone from net importing 4 quads of natural gas to exporting 4 quads. [26] The United States has been the world's largest producer of natural gas since 2011, when it surpassed Russia. However, the US ranks 7th in proven reserves. [4]

5. Natural gas has never been this upside-down as negative ... - AOL

   www.aol.com/finance/natural-gas-never-upside...

   And in Europe, natural gas prices jumped to 2024 highs this past week after Ukrainian troops crossed into Russia and claimed the capture of a key gas transit hub.

6. Natural gas - Wikipedia

   en.wikipedia.org/wiki/Natural_gas

   A million decatherms is a trillion BTU, roughly a billion cubic feet of natural gas. The price of natural gas varies greatly depending on location and type of consumer. The typical caloric value of natural gas is roughly 1,000 BTU per cubic foot, depending on gas composition.

7. Central heating - Wikipedia

   en.wikipedia.org/wiki/Central_heating

   Electric heating or resistance heating converts electricity directly to heat. Electric heat is often more expensive than heat produced by combustion appliances like natural gas, propane, and oil. Electric resistance heat can be provided by baseboard heaters, space heaters, radiant heaters, furnaces, wall heaters, or thermal storage systems.