Storage is another one. As is multiplicity of energy inputs.
I still have no idea why nobody uses heat reservoirs for shower hot water, like they do in the Mediterranean. (it's not a sun coverage problem, because contrary to popular anecdotes, the UK actually gets quite decent sun coverage a lot of the time)
Storage is another one. As is multiplicity of energy inputs.
I still have no idea why nobody uses heat reservoirs for shower hot water, like they do in the Mediterranean. (it's not a sun coverage problem, because contrary to popular anecdotes, the UK actually gets quite decent sun coverage a lot of the time)