David, Can you please tell me more about the +ACI-April Air+ACI- humidifier you placed on your furnace. Is this also a Bionair product? Their Dutch representative doesn't know it. Michiel van Loon mvanloon+AEA-xs4all.nl Meppel Nederland You wrote: +AD4-Yes, Damper Chasers affect the RH in the room, and in fact the home. I have always tried to +AD4-convince piano owners to put a room humidifer on the same level of the house as the piano is +AD4-located. Or if they will afford it, install an automatic humidifier like +ACI-April Air+ACI- on their +AD4-furnace. The RH is directly influenced by the amount of water being added to the air in the +AD4-home. Damper Chasers might put a gallon or so in the air over a couple of days. Room +AD4-humidifiers can put 4-6 gallons in a home in a day (I know, I bought the biggest one Bionaire +AD4-makes+ACE-) Then I installed an +ACI-April Air+ACI- humidifier on our furnace. Just after it was installed, +AD4-I turned the control knob all the way up on a cold November day. In a 5000 sq foot home, the RH +AD4-went from 28+ACU- to over 65+ACU-. All the family members complained to the point I had to turn the +AD4-control dial back down. Never did see just how high the RH could get with this furnace system.
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