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Heat Recovery (ACHPI3)
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Heat Recovery (ACHPI3)
According to the Carbon Trust report on average 20% of energy delivered to buildings is lost through departing ventilation air streams. In more modern buildings, the proportion of airborne energy loss can be even greater: up to 30%, due to the higher standards of thermal insulation. Mechanical extract ventilation systems can account for a significant proportion of overall building heat loss, or gain.
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