AprilAire
Aprilaire Model 700M Whole House Humidifier
Best whole-house humidifier for large homes needing manual humidity control.
Enhance your home's comfort with the Aprilaire Model 700M Whole House Humidifier. This powerful, USA-made unit provides comprehensive humidification for spaces up to 5,300 square feet, delivering 18 gallons of moisture daily. Its integrated fan efficiently draws warm air from your furnace, utilizing natural evaporation to add moisture to your home. The manual control with a built-in sensor allows for easy adjustment of humidity levels, making it a great choice for various HVAC systems. Maintaining optimal humidity levels can improve respiratory health, alleviate allergy symptoms, and protect your home's furnishings.
$429.08
Owner Satisfaction
4.5
/ 5
Category Rank
20
/ 486
#20 in Humidifiers
Price vs Category Average
+277%
Above average
Humidification method
Evaporative
/ Evaporative
Who it's for
- Homeowners managing humidity in large living spaces
- Families seeking relief from dry air and static
- Installers needing flexible ductwork configuration options
Who should skip it
- Users preferring a set-it-and-forget-it automated experience
- Budget-conscious buyers avoiding professional HVAC installation fees
- Energy-conscious homeowners prioritizing low electrical usage
Performance breakdown
Coverage Capacity
Handles massive 5,300 square foot homes with impressive, consistent moisture output.
Evaporative Efficiency
Integrated fan design maximizes natural evaporation for superior whole-home air quality.
Control Precision
Manual dial interface is reliable but lacks modern smart home connectivity.
Build Durability
Rugged, USA-made construction ensures long-term reliability for demanding HVAC environments.
Maintenance Ease
Simple design makes seasonal pad replacements straightforward for most homeowners.
Installation Complexity
Requires professional HVAC integration skills for a proper, leak-free setup.
Key Specs
Humidification method
Evaporative
Coverage area
Up to 5,300 sq ft
Water tank capacity
18 gallons
Dispensing temperature
Cool Mist
Control type
Manual Dial
Built-in humidistat
Yes
Filter type
Filterless
Power source
AC Powered
Features
- Whole-house humidification for large homes
- High capacity: 18 gallons per day
- Manual control with humidity sensor
- Built-in fan for efficient operation
- Promotes health and comfort
- Easy installation on HVAC systems
- Natural evaporative humidification
- Made in the USA by AprilAire
What customers say
Customers highly value the Aprilaire Model 700M for its powerful and reliable performance in combating severe dry air, especially in large homes during winter. Its fan driven output consistently maintains comfortable humidity levels, bringing significant relief from static electricity, dry skin, and sinus irritation. Users confirm it transforms the indoor environment into a healthier space. While the manual control offers simplicity, installation complexity is a common hurdle, often requiring professional assistance. Maintenance needs vary based on water hardness. Overall, the consensus praises the 700M as a durable unit delivering exceptional performance and solid value in whole house humidification.
Know before you buy
The Model 700M is a whole-house unit that integrates directly into your existing HVAC system. Unlike portable room humidifiers, it uses a built-in fan to pull warm air from your furnace and distribute moisture evenly throughout your entire home.
Yes, this model is designed for high-capacity performance and can effectively humidify spaces up to 5,300 square feet. It delivers up to 18 gallons of moisture per day, making it suitable for most large residential layouts.
The manual control is straightforward and user-friendly. It features a simple dial that allows you to adjust humidity levels based on your comfort preferences, and the built-in sensor ensures the system maintains your chosen setting.
No, this is a whole-house system that connects directly to your home's water supply. It does not require manual refilling, providing a continuous, automated source of moisture.
Because it uses natural evaporative humidification, you will need to replace the water panel periodically to ensure the system remains efficient and hygienic. The exact frequency depends on your local water quality and usage levels.
While the unit is designed for easy installation, it does require connecting to your HVAC ductwork and a water line. If you are not comfortable working with furnace components or plumbing, we recommend hiring a professional HVAC technician to ensure a proper setup.
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