contact us | directions

Smart Humidifiers Provide Peace of Mind The Aprilaire Automatic Humidifier is the world’s first computer-equipped, completely automated, “no touch” humidifier. It never needs constant manual adjustments. The advanced computer technology measures the outdoor temperature and indoor humidity over 86,000 times a day and continually adjusts your homes indoor humidity to its optimum level. It also performs at a level three times more accurate and four times more reliable than other humidifiers.  For the best automatic humidifiers for your particular needs, look to Aprilaire. The Model 700 is the best choice for high evaporative capacity and perfect for larger homes. If you’re in need of a bypass humidifier, the Model 600 is perfect for homes up to 4,000 square feet. For more information on these and other models, select the model number below:
Model 700 Model 600	Manually Controlled: 550, 350/360 Model 400
Model 700	Model 700 The Model 700 power humidifier (formerly Model 768) features truly automatic control, so there's 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
Model 600	Model 600 The Aprilaire Automatic Humidifier Model 600 takes humidifier innovation to the next level and performs as good as it looks! It offers all of the performance benefits of our other technologically-advanced computer-equipped automatic humidifiers and it’s easier than ever to have installed because it includes a built-in bypass damper, which means fewer parts to install. Plus, the damper is conveniently labeled for summer and winter settings, allowing you to set it for the entire season with no guesswork involved. Just set it and let your humidifier run automatically and it will deliver up to 50% more humidity, compared to other competitive units on the market. It also can be installed in manual mode if needed. The Model 600 has an evaporative capacity of 0.70 gallons per hour and is ideal for a home with up to 4,000 square feet if it’s tightly constructed. We believe it’s the best performing bypass humidifier on the market!
Model 550	Manually Controlled: 550, 350/360 The Model 550 bypass humidifier is our economy unit designed for smaller homes. This unit utilizes a manual humidifier control that can be installed in the living area or on the furnace ductwork. Along with all other models (except model 448) it is equipped with a drain to flush minerals from the system. The model 550 has an evaporative capacity of 0.50 gallons per hour and can handle up to 3,000 square feet if the home is tightly constructed.
Model 400	Model 400 The Aprilaire Model 400 bypass humidifier is the newest addition to the line. It uses new evaporative technology to minimize water use, eliminate standing water and provide comfortable humidified air throughout your home. Gravity pulls water down while the wicking action of the water panel draws it back to the top, using 100% of the water delivered to the unit. It’s the perfect choice for homes with septic systems, locations where a floor drain is not available or families interested in water conservation. Plus, its computer technology and innovative design makes it effortless to operate and simple to maintain. The Model 400 bypass humidifier is a high-capacity, water-conserving humidifier (0.70 gallons evaporated per hour), well suited to handle up to a 4,000 square foot, tightly constructed home.