Solar heating


Hi,
Does any one know of a site where you can roughly work out how mush money you will save with solar panels. We are thinking of getting them put we need to work how much we will save and how many years it would take to get the money back.
Thanks
Nigel
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If you are embarking on this for financial rather then ideological reasons then you are on a loser. (IMHO)
Graham.
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Surely you will save money since you use less energy ( in our case oil- which keeps going up and up!!) to heat the water??
Nigel
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Nigel wrote:

There were some articles in the press re environmentally friendly ways to generate and save energy in the home. They ere inspired by David Cameron's windmill on his roof.
http://www.nef.org.uk/greenenergy/solar.htm
Solar water heating will save you money on your gas bill but you have to offset that against the purchase, installation and maintenance of the system. Not to mention it's inevitable replacement.
How long it will take to pay for itself is down to how much HW you use,. efficiency of your existing boiler and how much the gas costs. Estimates you see will be based on ave. family with an average usage and an average efficiency boiler. As these systems cost thousands it could be a long wait ...
As gas costs increase there will be more people doing this, costs will come down and systems will get better. I wouldn't be surprised to see it becoming quite common in the next decade.
Mike
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Nigel wrote:

It's the old, "As part of a calorie controlled diet" situation. The money is usually better spent in other directions, such as stopping the heat getting out. Or in moving house.
It can, of course, play a part. Just as a wind turbine can - and at least it tends to be windier in the Winter when more power is needed. Just as geothermal can, if you have a big garden and/or a pond/river.
It may, of course, come to the situation where solar heating is a practical cost effective addition to more than a minority of houses. At which point the cost will have plummetted, as the demand will have massively grown. At which point there will be newer, better, cheaper units.
Or you can buy one now, knowing that it will be rendered obsolete by better units long before you have recoupled the cost of buying it..
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Sue







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