The saving you make on your water heating bills means the cost can be recouped within a year.
Cost to the client was kept low throughout, with all costs recouped within six months on energy saving alone.
However, it claimed that the surcharge had only recouped around a third of the?60 million in extra fuel costs incurred last year.
It was available free and costs incurred by agents in adapting their own systems would, in his view, be recouped by savings.
He recouped most of the outlay when Hughie Baird returned north of the border in October, joining Aberdeen in an £ 11,000 deal.