Where Should Humidistat Be Mounted

The humidistat can go anywhere it’s able to sense humidity, though many have a probe designed to stick into the airflow of a duct. If duct-mounted, the normal place is to put it in the return vent before the humidifier: this gives a good overall sense of humidity levels in the house.

Does humidifier go on supply or return?

One of the most common questions is where to mount it — on the return or supply side. For most types of humidifiers, it really doesn’t matter, notes Lewis. … So the result is going to be the air is going to flow from the warm air through the humidifier, whichever side it’s mounted on, and back into the return air.”

Can I put a humidifier by a cold air return?

Can my Bypass Flow Through Humidifier be installed on the air return? Yes. … Fortunately, Honeywell’s Bypass Flow Through Humidifiers can also be installed on the return air duct. When the humidifier is installed on the return duct, the bypass duct should run to the supply duct.