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  2. 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.

  3. Spray foam - Wikipedia

    en.wikipedia.org/wiki/Spray_foam

    Spray foam insulation or spray polyurethane foam (SPF) is an alternative to traditional building insulation such as fiberglass. A two-component mixture composed of isocyanate and polyol resin comes together at the tip of a gun, and forms an expanding foam that is sprayed onto roof tiles, concrete slabs, into wall cavities, or through holes ...

  4. Superinsulation - Wikipedia

    en.wikipedia.org/wiki/Superinsulation

    The passivhaus standard combines superinsulation with other techniques and technologies to achieve ultra-low energy use.. Superinsulation is an approach to building design, construction, and retrofitting that dramatically reduces heat loss (and gain) by using much higher insulation levels and airtightness than average.

  5. Thermal insulation - Wikipedia

    en.wikipedia.org/wiki/Thermal_insulation

    Thermal insulation is the reduction of heat transfer (i.e., the transfer of thermal energy between objects of differing temperature) between objects in thermal contact or in range of radiative influence. [1] Thermal insulation can be achieved with specially engineered methods or processes, as well as with suitable object shapes and materials.

  6. Duct (flow) - Wikipedia

    en.wikipedia.org/wiki/Duct_(flow)

    Fabric ducts are available in various colors, with options for silk screening or other forms of decoration, or in porous (air-permeable) and non-porous fabric. The determination which fabric is appropriate (i.e. air-permeable or not) can be made by considering if the application would require an insulated metal duct.

  7. Building insulation - Wikipedia

    en.wikipedia.org/wiki/Building_insulation

    Mineral wool insulation A semi-detached house with one half of the facade in the original state and the other half after insulation with polystyrene Old brick houses in Sosnowiec, Poland, insulated with polystyrene A single-family house in Bielsko-Biała, Poland, during the implementation of thermal insulation A historic building in Kuźnia Raciborska, Poland, during the implementation of ...

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