I could make the case that most of the time, the wet side is more beneficial than the dry side. I've lived in most quadrants of the country, and indoor humidity is very low in winter, whether it's Minnesota or LA. The system is designed and tested as a whole. To me, installing half a system is close to not tuning the top and bottom octaves, because they aren't played very much. --Cy-- Cy Shuster, RPT www.shusterpiano.com ABQ, NM
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