Geothermal heat pumps, or ground source heat pumps (GSHP) have been around for more than half a century. The technology exploits the constant temperatures we find right below the Earth’s surface, either for heating or cooling purposes, and has significantly higher efficiency than electrical heating, furnaces or even air source he
The world's first Active House stands at the crest of an estate. Its south-facing roof is covered in solar panels and solar cells, which between them harness more than enough power to keep the occupants warm and the appliances running. In around 30 years' time, if designers have got their sums right, the excess electricity flowing from the house into Denmark's grid will have cancelled out the energy costs of building it, leaving a non-existent footprint on the earth's resources.
The gorgeous new Tetro combines all the benefits of aluminium radiators with beautiful retro styling. The Tetro Radiator comes with an impressive 15 year warranty and is available in 6 elegant colours. From left to right: Black Sable, Bismuth, Champagne, Volcanic, Marron and White (RAL9010)