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  2. Deep energy retrofit - Wikipedia

    en.wikipedia.org/wiki/Deep_energy_retrofit

    A deep energy retrofit (DER) is an energy conservation project in an existing building that leads to an overall improvement in building performance.While there is no exact definition for a deep energy retrofit, it can be characterized as a whole-building analysis and construction process that aims to reduce on-site energy use by 50% or more using existing technologies, materials and ...

  3. Air-mixing plenum - Wikipedia

    en.wikipedia.org/wiki/Air-mixing_plenum

    Air streams are mixed to save energy and improve energy efficiency by partially recirculating conditioned air.. The most common application for an air-mixing plenum is the mixing of return air (or extract air) with fresh air to provide a supply air mixture for onward distribution to the building or area which the ventilation system is serving. [1]

  4. Plenum space - Wikipedia

    en.wikipedia.org/wiki/Plenum_space

    Vertical section through a commercial building using HVAC plenum instead of airspace plenum. When both the supply and return ducts are constructed in this manner, it is possible to insulate the ducts and the dropped ceiling so that the upper airspace is not heated or cooled, increasing energy efficiency. This is a fully enclosed plenum.

  5. Mechanical systems drawing - Wikipedia

    en.wikipedia.org/wiki/Mechanical_systems_drawing

    Mechanical systems drawing is a type of technical drawing that shows information about heating, ventilating, air conditioning and transportation (elevators and escalators) around a building. [1] It is a tool that helps analyze complex systems.

  6. Residents full of questions for Home Depot - AOL

    www.aol.com/residents-full-questions-home-depot...

    Home Depot plans to hire 150 to 200 part-time and full-time employees in the Moscow store. This topic sparked some debate Friday as the Home Depot officials did not know what percentage of its ...

  7. A California Home Depot fired a 70-year-old woman who failed ...

    www.aol.com/finance/california-home-depot-fired...

    A 72-year-old California woman has sued Home Depot for age discrimination and wrongful termination after the retail giant fired her for failing to stop $5,000 in fraudulent transactions.

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