Honeywell HM509A2000 TrueSTEAM Humidifier comes with the HumidiPro humidistat and will support up to 2500 Square Foot Coverage. The HM509A2000 replaces the Honeywell HM509H8908 humidifier.
Honeywell's HM509A2000 TrueSTEAM Humidification System offers the most reliable, efficient levels of moisture because it operates independent of equipment operation, which allows it to deliver a new 1:1 humidification delivery rate. It also allows you to maintain the most comfortable humidity levels automatically. Proper humidity with a Honeywell HM509A2000 TrueSTEAM humidifier offers a more comfortable living environment at a lower temperature which will allow you to turn down your thermostat for energy savings.