Question

Central
heating
radiators work better if they
are painted
black​

Answer 1

Answer:

It's said that radiators painted with metallic colours are more likely to emit less heat than those who are coated with non-metallic paints. ... Therefore a very glossy black painted surface may well radiate less than a flat matt white one. Both surfaces will convect heat to the air well enough.

Answer 2

Answer:

It's said that radiators painted with metallic colours are more likely to emit less heat than those who are coated with non-metallic paints. ... Therefore a very glossy black painted surface may well radiate less than a flat matt white one. Both surfaces will convect heat to the air well enough.