"Kent" > wrote in message
> Edwin, isn't it BTU/surface area? When a large grill has 36K BTU doesn't
> it
> heat to a lower temp. than a small grill with the same BTU? That's always
> been my assumption.
>
> Kent

Yes, surface area make equal comparisons more difficult. Some heat more
evenly than others but a smaller area can be hotter than the same amount of
Btu spread out.