In the light of the threats of global warning should patio heaters be banned? A few public houses that I know have outside 'smoking area' where people are sitting under large canopies or umbrellas. They are surrounded by patio heaters to keep them comfortable. How much energy is this wasting?
In my area and I am sure a few others they have become the latest status symbol. Come to think of it, having glass in your windows in my area is a status symbol.