Terminal 2, Heathrow Airport

Energi IQ were commissioned to undertake the Part L compliance SBEM Calculations for the Aer Lingus Gold Circle Lounge at Terminal 2, Heathrow Airport. Heat and Power to Terminal 2 is supplied by an onsite biomass-fuelled CHP energy centre.

Under Part L2 of the Building Regulations, all new Non-Domestic buildings must pass a Simplified Building Energy Model (SBEM) calculation. Some extensions, conversions and renovations may also require an SBEM calculation.

SBEMs are used to create the BRUKL compliance document and the Energy Performance Certificate. They measure heat loss through the building fabric, available sunlight and air permeability. These are then combined with the energy required for heating, cooling, hot water, lighting and ventilation and any renewables supplying the building to measure the overall energy efficiency and carbon emission rates of buildings.

SBEM calculations are required by Building Control departments, and they are required at two stages, at design stage to check for compliance and at completion to reflect any changes that may have been made during the construction.

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