Sorry but I found the heater to be very ineffective after use for an hour in the morning to take the chill off my sitting room in the morning, which is why I bought it.
Bought it because of the advert as an economical small space heater but it does not do what it is supposed to do quickly.
My room is 15 square feet and after an hour there was only two degrees in temperature change.
Bottom Line: No, I would not recommend this to a friend