By Liane Castle & Imogen Howse & Milo Boyd A primary school has been forced to close six times in just three months because its brand new £358,000 heat pump system keeps failing. The ‘green’ energy source was installed at Kingsnorth Primary in Ashford, Kent over the summer as part of a government initiative to help schools cut carbon emissions. Unfortunately best made plans have fallen apart a little. Since pupils returned to school in September, classrooms have been left without power or heating on numerous occasions, which has proven to be a big issue given the particularly harsh winter weat…