This week my 22 year old 44 tube collector reached 78c for March (crazy), but its reduced my daily winter heating, hot water and hob cooking by 80%. You have nothing to lose, if its independent expertise and advice you are seeking to gain excess in this area, I doubt if you will find anybody else living in the UK who has achieved so much, multi skilled knowldge across the property/plumbing/heating and solar market.
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