(...) the claim is 25% more efficient than a typical electric oil rad, (...)
174.7 w/hour of heat per 110w capacity fin. This means high heat output but low energy consumption.
Oh dear. So, you get more heat out per kWh leccy input? Where does the remaining energy go if not into heat?

Or do they have a different word usage for "efficiency"?
At least there was no "green" argument in the blurb.

Klaus