> > A client asked why a piano shouldnt be in a very cold space, i.e. Winter in > northern N.E. in an unheated home. Reaction to extreme humidity swings is > well known, but what actually happens to a piano @10 degrees F. for example > when brought to 70 degrees within a few hours. Thanks ,Tom Driscoll RPT > I don't know what the magic threshold and rate of temperature change is, but at a certain point, the surrounding air is at a higher dew point than the strings. Moisture condenses on the strings , and they rust. This is just like what happens to unprotected tools in an unheated garage or shed. Ron N
This PTG archive page provided courtesy of Moy Piano Service, LLC