ChatterBank0 min ago
Renewable energy?
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Has anyone got any experience installing renewable energy? Solar panels/Wind generators/geothermal. Are they really an alternative for heating, lighting or hot water? Is it worth installing in a domestic situation?
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For more on marking an answer as the "Best Answer", please visit our FAQ.You can use geothermal, it takes the heat out of the ground with buried pipes in long shallow trenches or bored vertically and it's converted in the same way refridgeration works to provide heating. The problem is although the gain is three or four times every kilowatt used in pumping, you still need very cheap electricity to compare in cost to existing fuels.
There are a number of possible renewables that could (and should) be used in domestic situations. The right one will depend a lot on what type of house you have, where you are, and what your existing heating system is. Domestic renewables include: Wind (no its NOT noisy, especially for small turbines that dont have gears), solar - these include solar hot water heating (reliable and widely used), photovoltaics (emergy technology used to produce electricity), and solar space heating (e.g. a correctly orientated conservatory); Combined heat and power (CHP - a small unit about the size of a fridge that produces both heat and electricty, may use gas, can also be used with wood pellets and other fuels); heat pumps (referred to in the previous answer, popular on the continent will gte more popular here as it becomes apparent that we can make electricity in the UK, but have to import gas); heat recover ventilation (recovers heat that would otherwise be lost through extract ventilation). Many of these can attract grant aid (see est.co.uk)