Hall of Fame
The product selected as the outright winner was thought to have been first designed and installed in 80 BC, and is attributed to Sergius Orata. It is, of course, the Roman Underfloor Hypocaust Heating System, and was in use throughout the UK and elsewhere for over 400 years. Indeed, after the departure of the Romans from Britain (in around 410 AD) it was many hundreds of years before the concept was re-introduced and only in recent times has it become used again.
Comments made to the website made it clear many saw this system as the clear winner, since it was way ahead of its time, offering real levels of comfort to a society that had not known anything similar before.