[pianotech] Protection from underfloor heating

[Ron Nossaman]

On 12/11/2012 10:01 AM, Encore Pianos wrote:
> Run the fan and you have a FORCED HOT AIR system that dries out the wood far
> more efficiently and quickly than simply allowing the heat to rise on its
> own.

Disturb the boundary layer with fresh air, and you get heat and humidity 
transfer.
Ron N