turns out they sell electic storage radiators.
as they are better than night storage, they use less electricity, and therefore can make the claim :
and invites you toreduced energyneeds= reduced energy costs+ helps the planet
and on the back of the leaflet some reference that indicates the 'eco' bit refers to economical not eco-friendly. must be a coincidence that the eco part of their logo is greenenjoy the summer warmth in your home all year round with ecowarmth
sigh
