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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'

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  • We all know that colder weather means we use more energy for greenhouse heating. But how do we know if any increases in energy use are just down to the weather, or perhaps to other factors making us less efficient? This is where a technique known as 'degree days' can help. Read More...
  • Using degree day analysis enables you to account for weather and greenhouse temperature influences when looking at your energy use.  The graph below shows an example of degree day analysis Hornsfield Nursery (one of the GrowSave Focus Nurseries), beginning January 2008. Read More...