Knowing someone who went the environmental route with a ground source heat pump at vast expense as much it is supposedly going to do the environment good it does not seem to work unless you have a modern house with amazing insulation. He finds it at best just warms up the water and needs help with a gas boiler, in cold weather he reckons it is a total waist of money.
It cost him nearly £20k and though he uses less gas he reckons it has at best only cut his bills by half and when you consider the outlay it does not make financial sense.
I would wait until the government start handing out incentives to go green.
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