Can Aprilaire humidifier be installed on return duct?

Aprilaire power humidifiers are design to be installed on the hot air supply plenum. If however, there is no space available due to the HVAC air conditioning coil or the layout of the mechanical room, the Aprilaire power humidifier can be installed on the cold air return duct.

Where do you put Aprilaire humidifier control?

Turn the humidifier control dial setting to the “Off” position. Then, slowly turn the dial clockwise until you hear the solenoid valve on the humidifier “click on.” Next, slowly turn the dial counter clockwise until you hear the solenoid valve “click off”. At this point, make note of the dial setting.

Should a humidifier be installed on the supply or return?

Proper installation 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. “The furnace has a negative pressure on the return air and a positive pressure on the warm air side.

How do you wire a humidifier to a furnace board?

Use 18-2 low voltage wire as directed in the humidistat or humidifier instructions. Everything should be labeled on the humidistat. Two terminals will connect to the humidistat and two will go to the control board. A wiring diagram should be included and will look something like this.

Why is humidifier on return duct?

If the humidifier you are installing is not a bypass type unit, then it should be mounted on the supply because that is where the hot air is located and the hotter the air across the media pad the greater capacity of the unit.

What should a dehumidifier be set at in a basement in winter?

Basement Dehumidifier Settings For Winter If it’s necessary to run your dehumidifier, keep the setting at 30% to 50%. Take note, avoid operating your dehumidifier when outside temperatures are below 60 degrees Fahrenheit during cold weather.

What is a good indoor humidity level in the winter?

between 30-40 percent
What is a Good Level of Indoor Humidity in Winter? When asking about the best humidity levels for the air inside your home this winter, you’ll want a relative humidity level between 30-40 percent.