Whole room humidity control better than Dampp Chaser. ( Right?)

[Farrell]

The heating rods on the DC system heat the air beneath the soundboard. The warm air under the soundboard will tend to stay there if undisturbed because warm air rises (it's less dense). That warm air will in turn warm the soundboard. The soundboard will warm the air above it (like where the strings are). If there is some type of air movement restriction in close proximity to and above the strings (like a lid), or some type of insulation (like a string cover or a blanket over the entire piano), then some of that heated air will remain in the string environment. The warmed air will have a lower relative humidity level than the rest of the room, thus helping to reduce string corrosion.

Terry Farrell
  ----- Original Message ----- 

                  I also agree with you! This does, however, morph from the original point of what the DC unit does or does not do. I agree that a string cover will help with the rusty strings issue. I don't believe that the DC unit will help with same.
   

  Greg Newell
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