Newsreader > wrote:

>When converting most common fueled appliances, such as Cooktops, ovens,
>& gas fireplaces, switching them to over to LP from natural gas actually
>lowers the BTU's.

Why would that be? LP gas has approximately twice the BTU content by volume as
natural gas. Even if if the orifice was reduced by half, the heat content would
be the same, not less.