Clyde, A teacher that I tune for has two pianos; one vertical and one grand, both of them "modest" instruments. Both are equipped with Dampp-Chasers, and have been reasonably stable, although a hot humid turn in the weather will mess them up, temporarily, until the humidity drops again. 2 weeks ago they installed central air, and she tells me both pianos have gone south. It will be interesting to observe over the next year whether the C/A will, in the long haul, help or hurt the turning stability. I suspect our Milwaukee weather is not very different from yours in PA. regards, Mike Spalding, RPT ----- Original Message ----- From: Clyde Hollinger <cedel@supernet.com> To: <pianotech@ptg.org> Sent: Thursday, July 18, 2002 6:30 AM Subject: Two AC items > Friends, > > It happened again yesterday. A piano that was usually relatively stable > for its annual tunings was quite flat this time. Several years ago I > ran into the same phenomenon. In both cases the family had installed > air conditioning since last year, which lowers the indoor humidity, > which can drastically affect the tuning. I thought someone on this list > may benefit from this bit of info. > > Now something I've been thinking about lately. My wife and I have a > small room air conditioner in the bedroom and another in the large main > room area. I regard room air conditioners as quite noisy and I dislike > the noise, but it's usually preferable to the heat! Can that constant > whoosh be damaging to one hearing? > > Regards, > Clyde Hollinger, RPT > Lititz, PA USA > >
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