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  2. Furnace (central heating) - Wikipedia

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

    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 compared to a mid-efficiency forced-air or forced-draft furnace, is the ...

  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. 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.

  5. Heating, ventilation, and air conditioning - Wikipedia

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

    A drawback is the installation cost, which can be slightly higher than traditional HVAC systems. Energy efficiency can be improved even more in central heating systems by introducing zoned heating. This allows a more granular application of heat, similar to non-central heating systems. Zones are controlled by multiple thermostats.

  6. California’s Public Utilities Commission launched its Long-Term Gas Planning Proceeding in 2020 to find proactive solutions to this very problem but four years later, they have little to show ...

  7. Energy in California - Wikipedia

    en.wikipedia.org/wiki/Energy_in_California

    About 2/3 of California's home heating is supplied by natural gas, and most new homes are constructed with both natural gas and electric heating. [ 104 ] The California Building Standards Code has targeted residential energy efficiency since 1978; [ 105 ] Part 11 of the code is the California Green Building Standards Code .

  8. Soaring California natural gas prices could bring higher ...

    www.aol.com/news/soaring-california-natural-gas...

    Southern California Edison and the L.A. Department of Water and Power hinted at higher electric rates due to a rise in natural gas costs at a meeting of energy stakeholders.

  9. Entry-level California home costs up 88% from 2020 ... - AOL

    www.aol.com/news/entry-level-california-home...

    (The Center Square) - The monthly payment to purchase an entry-level California home has risen 88% since 2020, according to a new report from the non-partisan, state-funded Legislative Analyst’s ...

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