> Hi All,  Most tuners and rebuilders agree that any effort made to
> control the ambient temperature inside a piano that 'lives' in a
> moist environment will improve tuning stability and help prevent
> sluggishness.

The temperature seems to be less important than the humidity in a piano,
as a general rule.  A complete _humidity control system_ is the way to
go, not just a heater rod!  This may be okay in some areas but I would
bet there are very few.  Get the whole system.

Scott Olson
Missoula, Montana