"bro" wrote in message news:hrkEd.989$SS6.476@trnddc07...
Very interesting link.

Mike

"HeatMan" wrote in message
...
http://www.heatinghelp.com/newsletter.cfm?Id=38

It is interesting. They also point out that coal fired heaters are only
about 50% efficient.

I would have though that the metallic paint would have provided more heat by
conduction than is lost by radiation compared to other paints.