I did google this topic a lot of different ways, and couldn't really find what I was looking for. Your link has a bit of info, but it still doesn't clearly answer my questions.
My baseboard heaters are your standard baseboard heaters. It heats up, and the heat dissipates over the fins inside. If what I read is right, then is this convection?
If that is the case, then has anyone noticed a benefit from replacing an old baseboard heater with a newer one? I am talking in terms of efficiency, cost, etc?