<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; = charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1458" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#d8d0c8> <DIV><FONT size=2>From the Dampp-Chaser site (the technicians' side):</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>"Dampp-Chaser Dehumidifiers of 25 watts (or less) = are not sold without a Humidistat except in Florida and Hawaii.  This policy = protects the piano from over-drying.  The policy also protects your = reputation as a technician and our reputation as a manufacturer."</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>"The Dehumidifier System is useful in certain highly = humid climates where winters are so mild heating is not required indoors... (Exception: In highly humid climates, church and university pianos are = often exposed to both extreme temperature and humidity fluctuations when the = room is not in use.  Even in highly humid climates, these pianos benefit = most from a complete System....)</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>--Cy Shuster--</FONT></DIV> <DIV><FONT size=2>Bluefield, WV</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=mfarrel2@tampabay.rr.com href="mailto:mfarrel2@tampabay.rr.com">Farrell</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, September 20, = 2004 11:03 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Dampp-Chaser sold = on the internet (cheap)!</DIV> <DIV><BR></DIV> <DIV><FONT face=Arial size=2>I agree with you Dave. Here = in the Tampa Bay area of Florida I have never installed the humidifier portion of = a DC system. My Boston grand has 190 watts of heater rods and an H2 = humidistat. Pitch simply does not vary on the piano and you won't find any one = string more than two cents off after a year. I think one winter day I = noticed an RH level in my living room (where the piano is) down at 35% - but = that is the lowest I have observed. Simply does not make any sense to me to = install the humidifier and all its associated headaches. I know that I would = forget to fill it with water - let alone any of my customers who can barely = remember to tune the darn thing once every five years!</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>But of course, if I lived in Duluth, = MN, my piano would have a full DC system - with an undercover - with a string cover = - and maybe a piano cover - plus maybe whole house humidity control........</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Terry Farrell</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=dporritt@mail.smu.edu = href="mailto:dporritt@mail.smu.edu">David M. Porritt</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Monday, September 20, = 2004 10:15 AM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Dampp-Chaser = sold on the internet (cheap)!</DIV> <DIV><BR></DIV> <DIV align=left><FONT face="Bookman Old Style" = size=2></FONT>I've been reading the thread on half/whole Dampp-Chaser systems with = interest.  Here (Dallas area) humidity gets low quite infrequently and for very = short periods of time.  Generally, I've thought that the full = system to be unnecessary.  The full system is not only more expensive, = but is the only thing that takes maintenance (fill the tanks, do the treatment, = change the pads etc.).  Then when you remember that the DC system does = not keep the piano at 42% but rather turns on the humidifyer when the = humidistat gets down to 38% and stays on until it reaches 50%.  At that = point the dehumidifyer comes on to undo what has just been done until it's = back to 38% again.  </DIV> <DIV align=left> </DIV> <DIV align=left>Given the climatic conditions we have here I'd = much rather the system take care of the high humidity, turn off when it gets = down to 38% and just wait until nature brings it back to 50%.  When it is = humid, why would I want to force more humidity to the piano when = the most propitious thing would be to just turn off and wait for the humidity = to rise.  This also eliminates the possibility of mold growth that = comes with that added humidity.  Mold is a problem in this = area.</DIV> <DIV align=left> </DIV> <DIV align=left>If I were in the North and had heaters drying out = the air 9 months of the year, I'd recommend a complete system.  Here I = think they are superfluous, expensive, labor intensive and counter productive.</DIV> <DIV align=left> </DIV> <DIV align=left>dave</DIV><FONT face="Bookman Old Style" = size=2> <DIV = align=left><BR>__________________________________________</DIV> <DIV align=left>David M. Porritt, RPT</DIV> <DIV align=left>Meadows School of the Arts</DIV> <DIV align=left>Southern Methodist University</DIV> <DIV align=left>Dallas, TX 75275</DIV> <DIV align=left><A = href="mailto:dporritt@mail.smu.edu">dporritt@mail.smu.edu</A></DIV> <DIV align=left> </DIV> <DIV align=left><BR>----- Original message ----------------------------------------><BR>From: "William R. = Monroe" <<A = href="mailto:A440WRMPiano@tm.net">A440WRMPiano@tm.net</A>><BR>To: Pianotech <<A = href="mailto:pianotech@ptg.org">pianotech@ptg.org</A>><BR>Received: = Mon, 20 Sep 2004 07:51:05 -0500<BR>Subject: Re: Dampp-Chaser sold on the = internet (cheap)!</FONT></DIV> <DIV align=left><FONT face="Bookman Old Style" = size=2><BR>Cy,</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2></FONT> </DIV> <DIV><FONT face="Bookman Old Style" size=2>Dunno.  I agree = that with a humidifier, it would certainly be capable of increasing the humidity = faster, but, if the ambient humidity is only 45%. the humidifier would never = turn on, right?  Again, going further, when the humidity drops below = the "magical" 42%, and the humidifier is activated, even in an = environment where the RH is still close to that 42%, of course it would raise it = quicker, and keep it closer to 42%.  </FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2></FONT> </DIV> <DIV><FONT face="Bookman Old Style" size=2>Mainly, I offer = partial systems as a more affordable way to help eliminate some, and in my = opinion,  the greater part, of the climatic changes that we experience = here.  I always try and sell a full system, however, as I believe they are = clearly superior here in this area, and worth the cost many times = over.  However, a half-system does a bang-up job for less.</FONT></DIV> <DIV><FONT face="Bookman Old Style" size=2></FONT> </DIV> <DIV><FONT face="Bookman Old Style" size=2>William R. = Monroe<BR>Madison, WI<BR>Assoc.</FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; = BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- = </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: = black"><B>From:</B> <A title=741662027@theshusters.org href="mailto:741662027@theshusters.org">Cy Shuster</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A = title=pianotech@ptg.org href="mailto:pianotech@ptg.org">Pianotech</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Sunday, September 19, = 2004 9:46 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> Re: Dampp-Chaser = sold on the internet (cheap)!</DIV> <DIV><BR></DIV> <DIV><FONT size=2>Isn't there a chance that a complete system = might be able to raise humidity faster than a heater-only system, even with = ambient 45% atmospheric humidity?  This would keep the soundboard = closer to its target for a greater percent of the time...</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>Don't know if this would make a perceptible difference...  In theory, "theory" and "practice" are = different, but in practice...</FONT></DIV> <DIV><FONT size=2></FONT> </DIV> <DIV><FONT size=2>--Cy Shuster--</FONT></DIV> <DIV><FONT size=2>Bluefield, WV</FONT></DIV> <DIV><FONT size=2></FONT> </DIV></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BODY= ></HTML>