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  2. Direct vent fireplace - Wikipedia

    en.wikipedia.org/wiki/Direct_vent_fireplace

    Direct vent fireplaces are extremely efficient compared to a traditional fireplace and can operate at about 85% efficiency. Even a very efficient traditional fireplace only operates at about 15% efficiency. This is because most of the hot air generated by the fire travels up the chimney due to convection.

  3. Heat and smoke vent - Wikipedia

    en.wikipedia.org/wiki/Heat_and_smoke_vent

    The majority of guidance available for design of heat and smoke building vents installed in buildings is restricted to nonsprinklered, single-story buildings. [4] This is partly a historical consequence of the installation of heat and smoke vents following the August 1953 General Motors, Livonia, MI major fire in a nonsprinklered manufacturing facility which effectively stopped the production ...

  4. Fireplace - Wikipedia

    en.wikipedia.org/wiki/Fireplace

    Direct vent fireplaces are fueled by either liquid propane or natural gas. They are completely sealed from the area that is heated, and vent all exhaust gasses to the exterior of the structure. Chimney and flue types: Masonry (brick or stone fireplaces and chimneys) with or without tile-lined flue. Reinforced concrete chimneys. Fundamental ...

  5. Home inspection checklist for buyers: What to know - AOL

    www.aol.com/finance/home-inspection-checklist...

    Fuel burning fireplaces and stoves. Water heater Fixtures and faucets Sump pumps Sewage ejectors Drain, vent and waste systems. ... Home Inspectors to find out the specific requirements for your ...

  6. Gas flare - Wikipedia

    en.wikipedia.org/wiki/Gas_flare

    Flare stack at the Shell Haven refinery in England. A gas flare, alternatively known as a flare stack, flare boom, ground flare, or flare pit, is a gas combustion device used in places such as petroleum refineries, chemical plants and natural gas processing plants, oil or gas extraction sites having oil wells, gas wells, offshore oil and gas rigs and landfills.

  7. Uniform Mechanical Code - Wikipedia

    en.wikipedia.org/wiki/Uniform_Mechanical_Code

    The Uniform Mechanical Code (UMC) is a model code developed by the International Association of Plumbing and Mechanical Officials to govern the installation, inspection and maintenance of HVAC (heating, ventilating and air-conditioning) and refrigeration systems.