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  2. Interior radiation control coating - Wikipedia

    en.wikipedia.org/wiki/Interior_radiation_control...

    The energy conserving property has been defined as thermal emittance (the ability of a surface to release radiant energy that it has absorbed). Those coatings qualified as Interior Radiation Control Coatings must show a thermal emittance of 0.25 or less. This means that an IRCCS will block 75% or more of the radiant heat transfer. These low "E ...

  3. Radiant barrier - Wikipedia

    en.wikipedia.org/wiki/Radiant_barrier

    Radiant barrier is a shiny, ... Research has shown that the insulation value of reflective bubble foil insulations and radiant barriers can vary from RSI 0 (R-0) to ...

  4. Building insulation material - Wikipedia

    en.wikipedia.org/wiki/Building_insulation_material

    An aluminum foil radiant barrier can be placed either way – the shiny side is created by the rolling mill during the manufacturing process and does not affect the reflective of the foil material. As radiant barriers work by reflecting infra-red energy, the aluminum foil would work just the same if both sides were dull.

  5. Radiator reflector - Wikipedia

    en.wikipedia.org/wiki/Radiator_reflector

    A radiator reflector is a thin sheet or foil applied to the wall behind, and closely spaced from, a domestic heating radiator. The intention is to reduce heat losses into the wall by reflecting radiant heat away from the wall. It is a form of radiant barrier and is intended to reduce energy losses and hence decrease fuel expenditure.

  6. Vapor barrier - Wikipedia

    en.wikipedia.org/wiki/Vapor_barrier

    The function of a vapor barrier is to retard the migration of water vapor. A vapor barrier is not typically intended to retard the migration of air. This is the function of air barriers. [8] Air is mixed with water vapor. When air moves from location to location due to an air pressure difference, the vapor moves with it.

  7. Underfloor heating - Wikipedia

    en.wikipedia.org/wiki/Underfloor_heating

    The use of embedded radiant cooling systems in the middle of Europe becomes a standard system with many parts of the world applying radiant based HVAC systems as means of using low temperatures for heating and high temperatures for cooling. 2010: Radiant conditioned Pearl River Tower in Guangzhou, China, topped out at 71 stories.

  8. Radiant heating and cooling - Wikipedia

    en.wikipedia.org/wiki/Radiant_heating_and_cooling

    Radiant heating and cooling originated as separate systems but now share a similar form. Radiant heating has a long history in Asia and Europe. The earliest systems, from as early as 5000 BC, were found in northern China and Korea. Archaeological findings show kang and dikang, heated beds and floors in ancient Chinese homes. Kang originated in ...

  9. Radiative cooling - Wikipedia

    en.wikipedia.org/wiki/Radiative_cooling

    The three basic types of radiant cooling are direct, indirect, and fluorescent: Direct radiant cooling - In a building designed to optimize direct radiation cooling, the building roof acts as a heat sink to absorb the daily internal loads. The roof acts as the best heat sink because it is the greatest surface exposed to the night sky.

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