Compare Aprilaire 700 Humidifier to Honeywell HE-365 18 Gallon Humidifier

The Model 700 power humidifier (formerly Model 768) features truly automatic control, so theres no need to ever manually control the humidifier. It is also designed with ease of service in mind. It utilizes an outdoor temperature sensor for monitoring even the slightest changes in outdoor temperature. This high-tech humidification system can deliver up to 50% more moisture in comparison to competitive units. With flexibility in mind, it can even be installed in manual mode if necessary. Complementing any HVAC system, the 700 has an evaporation capacity of 0.75 gallons per hour, among the highest capacity humidifiers sold. If you own a larger home and want the best, then this may be the humidifier for you, as it will handle up to 4,200 square feet if your home is tight in construction. Less

Whole house humidifier, manufactured by Honeywell Corp. The Model HE365B Power Humidifier was designed with ease of service in mind. Installed on the warm air plenum of a forced air furnace, this model utilizes the famous Honeywell flow through design that constantly flushes away trouble causing minerals not deposited on the replaceable water panel and provides exactly the right amount of moisture in vapor form. Comes with the digital HumidiCalc control system. This system is so advanced it raises and lowers the humidity set point as the weather changes for optimum comfort. Less