6. ground source heat pump systems are good citizens: they are silent, free from polluting chemicals, reliable and invisible. They are welcomed by planning authorities and architects. They produce no carbon emissions on site, and none at all if powered by renewable electricity. There have never been any political objections to ground source heat pump systems in the way that wind turbines have caused unrest and resentment and expensive government schemes on other technologies have raised eyebrows at the wisdom of excessive government spending.
7. ground source heat pump systems, uniquely amongst renewable energy technologies, offer the opportunity to recycle heat energy. Heat energy can be captured when it is freely available in the summer, stored in the ground over the autumn, and released to heat buildings in winter. This singular merit is attributable to use of the ground for Seasonal Thermal Energy Storage, which is an integral part of ground source energy.
8. Unlike any other form of Renewable Technology the power of a heat pump can be reversed in summer to provide cooling. In the case of an air source heat pump (or an air conditioning chiller) heat taken out of a building in summer is merely "wasted" to the atmosphere. It is a very expensive option to provide cooling by heat exchange with hot air. The radical, renewable cooling, alternative is to use a ground source heat pump to heat exchange with cold ground: the primary advantage is that it is much more efficient than heat exchanging with hot air.
The secondary advantage is that a by-product of renewable cooling is to deposit heat into the ground – in advance of the time in winter when the heat pump will be looking to extract heat from the ground.
9. Many forms of investment in renewable energy require imports as equipment like photovoltaic panels, wind turbines and solar panels come from abroad and provide employment abroad. Investment in sound ground source energy installations, which requires a detailed understanding of the local geology and local conditions,provides skilled employment in Britain for the local expertise in designing an appropriately sized system and local employment in installing the ground works.
10. ground source heat pump systems contribute to the Energy Security of the UK by providing heating and cooling from energy which occurs naturally in the UK, instead of relying on imported fossil fuels.
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