"Last summer, Richard Soper became one of the first homeowners in the country [UK] to install a type of eco-friendly heating system that experts believe has the potential to slash greenhouse gas emissions.
Mr Soper: Our annual heating bills are now virtually nothing, whereas we were paying over £1,500 annually for running our oil boiler.
It works by deploying the technology used in a refrigerator to absorb warmth from the ground to provide heating and hot water.
Although ground source heat pumps are commonplace across much of northern Europe, Mr Soper is one of fewer than 5,000 homeowners to have installed the technology in the UK......
....Although the technology, which was supplied by Worcester Bosch, can't be described as cheap - Mr Soper's system cost £11,500 - the savings are substantial.
"Our annual heating bills are now virtually nothing, whereas we were paying over £1,500 annually for running our oil boiler. As the heat pump runs on electricity, we have seen an increase in our electricity bill, but overall the saving is massive........................"