<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD><TITLE></TITLE> <META http-equiv=Content-Type content=text/html;charset=ISO-8859-1> <META content="MSHTML 6.00.2900.3132" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY text=#000000 bgColor=#ffffff> <DIV><FONT face=Arial>You need to know what the RH range of the pianos environement is. If you don't know, you need to monitor it. If the RH drops below about 35% and/or exceeds 50 or 60% RH, then yes, the piano will benefit from a complete DC system.</FONT></DIV> <DIV><FONT face=Arial></FONT> </DIV> <DIV><FONT face=Arial>BTW, are the pianos turned off the other ten months?</FONT></DIV> <DIV><FONT face=Arial></FONT> </DIV> <DIV><FONT face=Arial>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>SNIP.......</B></DIV> <DIV><FONT face=Arial>do pianos in the northeast in camps that are open only two months a year need dmap chasers, although the summer weather is humid? The Steinway I tuned already has a heating bar installed under the soundboard. Does it need a complete system?</FONT></DIV> <DIV><FONT face=Arial></FONT> </DIV> <DIV><FONT face=Arial>Wayne Williams</FONT></DIV> <DIV><FONT face=Arial>Perfectpitch Technology</FONT></DIV> <DIV><FONT face=Arial>Schroon Lake, NY</FONT></DIV></BLOCKQUOTE></BODY></HTML>