You can only offset fossil fuels by solar heating (and energy efficiency of course) and cannot power your oil or gas boiler with renewable sources of energy. The issue with solar heating is when you want to be warm in the winter, at night, there's no sun. Heat pumps collect solar energy from the earth, air and water and electricity is only used for the conversion process – this is available all year round, day and night, whatever the temperature.
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| Paul Commisioning 3 x 17kW ground source heat pumps last week, attached to house, swimming pool and hot water |
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