MCS Heat Load Calculator

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An easy-to-use heat load calculator for sizing heat pumps in domestic properties

BS 12831 Compliant

Complies with the BS EN 12831-1:2017 standard (Energy Performance of Buildings) for calculating design heat loads.

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Generates heat load calculations compliant with the MCS standard for designing heat pump systems (MIS 3005-D).

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Determines the U-values of building elements automatically based on their construction type and year of installation.

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