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Energy efficiency is a measure of energy used for delivering a given service. Improving energy efficiency means getting more from the energy that we use. DECC - Energy Efficiency Strategy: 'The Energy Efficiency Opportunity in the UK'
  • Remaining at a steady temperature throughout the year, the ground provides a reliable source of heat energy — which can be extracted using a ground source heat pump.

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  • Taking heat from ambient air is probably the simplest heat pump configuration.

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