Will my Aprilaire dehumidifier and humidifier work together?

Thursday, October 20, 2011 by Aprilaire Team
Consumer question:

We have just had our basement waterproofed and we are going to have a dehumidifier installed that will benefit the whole house. At the same time we have this humidifer on our furnace that we turn on in the winter when the heat is on. Will there be a conflict if the dehumidifier is taking moisture out of the house and the humidifier is putting moisture into the house. How do these to items work together?


Aprilaires' response:

Thank you for contacting us with regards to your model 560 Humidifier. Our humidifiers and dehumidifiers each have a control that tries to keep the humidity above or below a certain value. When operating both types of unit in the same home, we recommend that the two controls be set so that their set points do not overlap. For example, a humidifier can be set up to 45% RH, so the dehumidifier should not be set to go below 50%. This way a buffer exists between the two units and they should not fight against each other. Conversely, you could simply turn off one unit during its off-season. Dehumidifiers don't need to run during the winter or humidifiers during the summer.

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