The Model 400 drainless whole-home humidifier can be installed in manual mode (400M) with no control or in automatic mode with control (400A). It allows for 100 percent of the water in the units to be ...
MADISON, Wis. - Carl Rowe's name is on the U.S. patent issued in 1954 for the first Aprilaire whole-house humidifier. He said he is one of the people involved in creating the breakthrough product; he ...
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