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Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4 vs Aprilaire Model 865 Whole House Steam Humidifier with Fan Pack for Radiant Heat

Updated August 2026The Aprilaire Model 700 is a more economical and lower-maintenance option, while the Model 865 offers advanced technology and higher output for larger homes.

The Aprilaire Model 700 is a more economical and lower-maintenance option, while the Model 865 offers advanced technology and higher output for larger homes.

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

price

Model 700 costs C$598.00, significantly less than Model 865.

maintenance

Model 700 has easier maintenance with no water tank filling.

ideal use

Model 700 is suitable for common dry air issues.

Why Aprilaire Model 865 Whole House Steam Humidifier with Fan Pack for Radiant Heat is better

output

Model 865 can produce up to 34.6 gallons of moisture per day.

coverage

Model 865 covers homes up to 6,200 square feet.

technology

Model 865 uses advanced electrode technology for efficient humidification.

Overall score

Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4
75
Aprilaire Model 865 Whole House Steam Humidifier with Fan Pack for Radiant Heat
85

Specifications

SpecAprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4Aprilaire Model 865 Whole House Steam Humidifier with Fan Pack for Radiant Heat
BrandAprilaireAprilaire
Model700865
TypeFurnaceSteam
Fan TypeBuilt-inWall Mount
Humidity ControlStandardVariable
InstallationEasyComplex

Dimension comparison

Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4Aprilaire Model 865 Whole House Steam Humidifier with Fan Pack for Radiant Heat

Overview of the Products

The Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier is priced at C$598.00, while the Aprilaire Model 865 Whole House Steam Humidifier is significantly more expensive at C$1,909.43. Both products aim to enhance indoor air quality and comfort by adding moisture to the air, but they do so through different mechanisms and are suited for different home environments.

Humidity Output and Coverage

The Aprilaire Model 700 provides full coverage for homes up to 4,200 square feet and can release up to 18 gallons of moisture per day. In contrast, the Aprilaire Model 865 is designed for larger spaces, covering homes up to 6,200 square feet, and offers a variable output of 11.5 to 34.6 gallons of moisture daily, depending on installation and voltage. If your home is larger and located in a dry climate, the Model 865 may be the better choice due to its higher capacity.

Installation and Maintenance

The Model 700 is easier to maintain with no need for filling water tanks, relying on a built-in fan that pulls heated air directly from the furnace. This design simplifies installation and upkeep. Conversely, the Model 865 features a wall mount fan that pushes humidified air into areas lacking a duct system, which could complicate installation, especially in older homes. If low maintenance is a priority, the Model 700 stands out.

Ideal Use Cases

The Aprilaire Model 700 is recommended for homes dealing with common dry air issues like dry skin, sore throats, and cold symptoms. It allows families to maintain comfort at lower temperatures, potentially saving on heating bills. The Model 865, however, is ideal for homes in arid, desert climates, where higher humidity levels are necessary. Depending on your region and specific needs, one model may be more suitable than the other.

Technology and Features

The Model 865 utilizes advanced electrode technology, which is a significant feature for those seeking high-output steam humidification. This technology allows it to produce moisture more efficiently in certain conditions. The Model 700, while effective, relies on a more traditional furnace-based humidification method. If cutting-edge technology is important to you, the Model 865 offers a distinct advantage.

Health Benefits

Both models claim to improve health and comfort related to dry air. The Model 700 addresses issues like static shock and dry skin effectively, making it an excellent option for families concerned about health impacts during winter. The Model 865, with its higher output, can contribute to a more consistently comfortable atmosphere in larger homes, potentially mitigating health issues associated with low humidity levels.

Energy Efficiency

The Model 700 can help save on heating bills by allowing families to lower their thermostat settings while maintaining comfort through improved humidity. This feature can be particularly beneficial in colder climates. On the other hand, the Model 865 is designed for homes that require significant moisture, but its advanced technology may lead to higher energy consumption depending on usage. If energy efficiency is a primary concern, the Model 700 might be the more appealing option.

Price Comparison

At C$598.00, the Aprilaire Model 700 is much more budget-friendly compared to the Aprilaire Model 865, which retails for C$1,909.43. The substantial price difference reflects the varying capabilities and target markets of these products. If cost is a significant factor, the Model 700 offers excellent value without compromising on essential humidification needs.

Which should you buy?

Choosing between the Aprilaire Model 700 and the Aprilaire Model 865 largely depends on your home's size, climate, and specific humidity requirements. If you have a moderately sized home and prefer a lower-maintenance solution, the Model 700 is the more economical choice, offering solid performance for up to 4,200 square feet. However, if you live in a larger home in a dry climate and require higher humidity levels, the Model 865, with its advanced technology and greater output, may justify its higher price. Ultimately, assess your specific needs and the environment to make the best decision.

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Aprilaire Model 700 Automatic Whole House Power Furnace Humidifier for up to 4 vs Aprilaire Model 865 Whole House Steam Humidifier with Fan Pack for Radiant Heat | versusfinder