The Aprilaire Humidifier Model 700 Whole-House Humidifier features truly automatic control, so there’s never a need to manually control the humidifier—though it can be installed in manual mode, if desired.

Complementing any central heating and cooling system, the Aprilaire Humidifier Model 700 Whole-House Humidifier:

Features:

• Utilizes an outdoor temperature sensor for monitoring even the slightest changes in outdoor temperature.
• Delivers up to 50% more moisture in comparison to competitive units.
• Has an evaporation capacity of 0.75 gallons per hour—among the highest capacity humidifiers sold.
• Humidifies tightly-constructed homes up to 4,200 square feet in size.

The Aprilaire Humidifier Model 600A Whole-House Humidifier features truly automatic control, plus a built-in bypass damper, which means fewer parts to install. The bypass damper is conveniently labeled for both summer and winter settings, allowing you to set it for the entire season with no guesswork involved. The Aprilaire Humidifier Model 600A Whole-House Humidifier is simply the best performing bypass humidifier on the market.

HFeatures:

• Features the same performance benefits of other Aprilaire Humidifiers.
• Delivers up to 50% more moisture in comparison to competitive units.
• Has an evaporation capacity of 0.70 gallons per hour.
• Humidifies tightly-constructed homes up to 4,000 square feet in size.

The Aprilaire Humidifier Model 500A Whole-House Humidifier features a built-in bypass damper and is designed for use in small to mid-size homes with automatic digital control for premium performance and convenience.

Features:

• Installed in either your living area or central heating and cooling system ductwork.
• Comes equipped with a drain to flush minerals from the unit.
• Has an evaporation capacity of 0.50 gallons per hour.
• Humidifies tightly-constructed homes up to 3,000 square feet in size.

The Aprilaire Humidifier Model 400A Whole-House Humidifier features a built-in bypass damper and utilizes new evaporative technology to minimize water use. 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.

Features:

• Features truly automatic control
• Eliminates standing water, making it the perfect choice for homes with septic systems, locations where a floor drain is not available or families interested in water conservation.
• Has an evaporation capacity of 0.70 gallons per hour.
• Humidifies tightly-constructed homes up to a 4,000 square foot in size.

The Aprilaire Models 350/360 Whole-House Humidifiers are specifically designed to bring all the benefits of patented Aprilaire humidification to homes with radiators or baseboard heat. The Models 350/360 are so effective and flexible, they work equally well with central heating and cooling systems.

Honeywell Humidifiers Features:

• Are completely self-contained units.
• Easily fit inside of closets, heated crawl spaces and basements.
• Have an evaporative capacity of 0.50 gallons per hour.
• Humidify tightly-constructed homes up to 4,500 square feet in size.