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Article Date: 26th June 2013

Breathing Buildings Champion PCM

Natural Ventilation - Passive Ventilation - Ventilation Systems - Climate Control

Breathing PCM Logo

Breathing Buildings, is championing the benefits of PCM (phase change materials) in the construction of a more sustainable built environment, Breathing Buildings, are presenting the case for greater use of PCM with Armstrong.

Backed by over 150 years of successful operations, Armstrong is a global leader in providing acoustic, design and environmental ceiling and wall system solutions for interior environments. Based in Lancaster, Pennsylvania, Armstrong operates 32 plants in eight countries and has approximately 8,500 employees worldwide.

Phase change materials convert from solid to liquid and liquid to solid to absorb or release large amounts of latent heat at a relatively constant temperature.

When the internal room temperature increases, the PCM core changes from a solid to liquid state and in doing so absorbs and stores latent heat. As the internal room temperature cools the PCM core changes again, but this time from liquid to a solid state, thus releasing the stored latent heat.

By removing the peaks and troughs in temperature change significant reductions can be achieved in the energy demand of HVAC systems.

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