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Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4 vs AprilAire 720MKZ Whole House Fan Powered Evaporative Humidifier

Updated August 2026The AprilAire 720MKZ offers superior performance and features, making it the better choice for larger homes. However, the Model 700 is a more budget-friendly option for smaller spaces.

The AprilAire 720MKZ offers superior performance and features, making it the better choice for larger homes. However, the Model 700 is a more budget-friendly option for smaller spaces.

Why Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4 is better

lower price

Model 700 is priced at C$598.00

suitable for smaller homes

Effective for homes up to 4,200 square feet

ease of use

Simple operation without filling water tanks

Why AprilAire 720MKZ Whole House Fan Powered Evaporative Humidifier is better

higher capacity

720MKZ delivers 21 gallons of humidification per day

sustainability

Reduces wastewater by 60% compared to Model 700

longer warranty

720MKZ comes with a 5-year warranty

Overall score

Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4
75
AprilAire 720MKZ Whole House Fan Powered Evaporative Humidifier
90

Specifications

SpecAprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4AprilAire 720MKZ Whole House Fan Powered Evaporative Humidifier
BrandAprilaireAprilaire
TypePower FurnaceFan Powered
Water PanelAnnual ReplacementOne-Piece HydroCore
InstallationTraditionalReversible Design
Moisture ControlBuilt-in FanHybrid Fan

Dimension comparison

Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4AprilAire 720MKZ Whole House Fan Powered Evaporative Humidifier

Overview of the Aprilaire Model 700 and 720MKZ

The Aprilaire Model 700 and the AprilAire 720MKZ are both whole house humidifiers designed to enhance indoor air quality. The Model 700 is priced at C$598.00, while the 720MKZ is more expensive at C$817.99. This price difference reflects their respective capacities and features, which cater to different household needs.

The Model 700 is suitable for homes of up to 4,200 square feet and is designed to improve health and comfort by addressing dry air issues. On the other hand, the AprilAire 720MKZ delivers an impressive 21 gallons of humidification per day, making it ideal for larger homes and rapid moisture balancing.

Humidity Control Features

When it comes to humidity control, the AprilAire 720MKZ offers superior performance with its capacity to deliver 21 gallons of moisture per day. This is a significant improvement over the Model 700, which provides up to 18 gallons daily. The increased output of the 720MKZ can quickly address humidity needs in larger spaces, making it a better choice for expansive homes.

Additionally, the 720MKZ features a hybrid fan that maximizes air distribution and efficiency, ensuring that moisture is evenly distributed throughout the house. In contrast, the Model 700 relies on a built-in fan that pulls heated air from the furnace, which may not be as effective in larger homes.

Sustainability and Efficiency

In terms of sustainability, the AprilAire 720MKZ stands out with its innovative recirculation valve, which reduces wastewater by 60% compared to the Model 700. This feature not only increases performance but also promotes eco-friendliness, making the 720MKZ a more sustainable option for environmentally conscious consumers.

Moreover, the 720MKZ's one-piece HydroCore water panel is made from recycled plastic and designed for easy replacement, further enhancing its efficiency in maintenance. The Model 700, while still effective, does not offer the same level of sustainability as the 720MKZ.

Ease of Use and Maintenance

The ease of use and maintenance is a critical factor when choosing a humidifier. The Model 700 offers simple operation without the need for filling water tanks, releasing up to 18 gallons of water daily. However, the 720MKZ enhances this convenience with its one-piece HydroCore water panel, which allows for quick and easy replacement, making annual maintenance more straightforward.

The Model 700 requires annual water panel replacement as well, but the 720MKZ's design significantly streamlines the process, making it a more user-friendly choice for busy households.

Installation Flexibility

Installation flexibility is another important aspect to consider. The AprilAire 720MKZ features a reversible design that allows for configurations to fit tight installations, whether the fan is on the left or right. This versatility is particularly beneficial for homes with limited space or unique layouts.

Conversely, the Model 700 may not offer the same level of installation adaptability, as it is more traditional in its design. Choosing the 720MKZ can save time and effort during installation, especially in challenging spaces.

Warranty and Reliability

When investing in a whole house humidifier, a reliable warranty can provide peace of mind. The AprilAire 720MKZ comes with a 5-year warranty, reflecting the manufacturer's confidence in its durability and performance. This extended warranty can be particularly reassuring for customers investing in a higher-priced product.

The Model 700 does not specify a warranty duration, which may leave potential buyers with concerns about its long-term reliability. The comprehensive warranty of the 720MKZ adds value to its higher price point, making it a more secure investment.

Brand Reputation and Quality

Both humidifiers are manufactured by Aprilaire, a brand known for its leadership in indoor air quality solutions since 1954. This long-standing reputation underscores both products' quality. However, the 720MKZ is marketed as part of Aprilaire's Healthy Air System, which further emphasizes its integration with other air quality solutions like ventilation and filtration.

While the Model 700 is effective and trusted, the additional branding of the 720MKZ as part of a comprehensive air quality system may appeal more to consumers looking for a holistic approach to their indoor air needs.

Which should you buy?

Choosing between the Aprilaire Model 700 and the AprilAire 720MKZ largely depends on your specific humidification needs and budget. The Model 700, priced at C$598.00, is suitable for smaller homes and offers effective humidity control with a straightforward design. However, if you have a larger home or require quicker humidity balancing, the AprilAire 720MKZ, with its capacity to deliver 21 gallons of moisture per day and superior sustainability features, is worth the investment at C$817.99. Ultimately, for those prioritizing efficiency, sustainability, and advanced features, the 720MKZ is the better choice.

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Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4 vs AprilAire 720MKZ Whole House Fan Powered Evaporative Humidifier | versusfinder