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  2. Furnace (central heating) - Wikipedia

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

    Heating appliances that use steam or hot water as the fluid are normally referred to as a residential steam boilers or residential hot water boilers. The most common fuel source for modern furnaces in North America and much of Europe is natural gas; other common fuel sources include LPG (liquefied petroleum gas), fuel oil, wood and in rare ...

  3. United States building energy codes - Wikipedia

    en.wikipedia.org/wiki/United_States_building...

    Depiction of New York World Building fire in New York City in 1882. Building codes in the United States are a collection of regulations and laws adopted by state and local jurisdictions that set “minimum requirements for how structural systems, plumbing, heating, ventilation, and air conditioning (), natural gas systems and other aspects of residential and commercial buildings should be ...

  4. Pellet heating - Wikipedia

    en.wikipedia.org/wiki/Pellet_heating

    Pellet boilers are used as central heating systems for heat requirements (heating load) of more than 3.9 kW . But pellet central heating systems are not only used in single- or two-family homes (up to 30 kW), but also for larger residential or business units with heat requirements of a few hundred kW.

  5. New efficiency standards for home furnaces unveiled [Video] - AOL

    www.aol.com/news/biden-administration-unveils...

    (Canada has already required condensing furnaces for residential heating for over a decade.) Close-up of flames on a natural gas furnace burner in the HVAC system of a suburban home in San Ramon ...

  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. Central heating - Wikipedia

    en.wikipedia.org/wiki/Central_heating

    A condensing boiler Hot water central heating unit, using wood as fuel. A central heating system provides warmth to a number of spaces within a building from one main source of heat. A central heating system has a furnace that converts fuel or electricity to heat.

  8. Pellet boiler - Wikipedia

    en.wikipedia.org/wiki/Pellet_boiler

    A pellet boiler is a heating system that burns wood pellets. Pellet boilers are used in central heating systems for heat requirements (heating load) from 3.9 kW to 1 MW (megawatt) or more. Pellet central heating systems are used in single family homes, and in larger residential, commercial, or institutional applications.

  9. Mechanical room - Wikipedia

    en.wikipedia.org/wiki/Mechanical_room

    Mechanical room in a large office building. Mechanical room in federal building, Los Angeles, California. A mechanical room, [1] boiler room or plant room is a technical room or space in a building dedicated to the mechanical equipment and its associated electrical equipment, as opposed to rooms intended for human occupancy or storage.