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Item #:
93377819
AprilAire 400 Whole-House Humidifier, Automatic Water Saver Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft.,
Item #:
93377819
KES 56543
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BALANCED HUMIDITY FOR HEALTH AND HOME PRESERVATION – Help minimize the formation of bacteria, viruses, fungi, and dust mites that thrive in low humidity and help preserve wood floors, cabinetry, furnishings, and other items susceptible to dry air.
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What Stands Out
Large Coverage Area
Efficiently humidifies homes up to 5,000 sq. ft., making it ideal for spacious residences needing consistent moisture control throughout.
Automatic Control
Features a digital control system that adjusts humidity levels automatically, ensuring optimal comfort without manual intervention.
Comprehensive Kit
Includes the Model 5844 installation kit, providing everything necessary for a straightforward and hassle-free installation process.
Product Details
| Other Special Features of the Product | Adjustable Humidity Control, Auto Shut Off, Digital Display, Humidistat, Quiet, Service Filter Indicator |
| Capacity | 17 gallons_per_day |
| Floor Area | 4000 Square Feet |
| Operation Mode | Evaporative |
| Room Type | Whole-House |
| Voltage | 24 Volts (AC) |
| Power Source | ac |
| Control Method | App |
| Runtime | 0 minute |
| Filter Type | Wicking Evaporative |
| Item Dimensions D x W x H | 10.25"D x 15.38"W x 15.75"H (26 x 39.1 x 40 cm) |
| Item Weight | 8.8 Pounds (3.99 kg) |
| Color | Gray |
| Item Shape | Rectangular |
| Brand Name | Aprilaire |
| Model Name | Humidifiers Evaporative |
| Model Number | 400 |
| Included Components | 24VAC Transformer, Humidifier Control, Valves, Installation Instructions |
| UPC | 686720104008 |
| Unit Count | 1.0 Count |
| Global Trade Identification Number | 00686720004001, 00686720104008 |
| Manufacturer | Research Products Corporation |
| Part Number | 400Z |
| Item Type Name | Humidifiers Evaporative |
| Material | Plastic |
| Brand | Aprilaire |
| Special Feature | Adjustable Humidity Control, Auto Shut Off, Digital Display, Humidistat, Quiet, Service Filter Indicator See more |
Who Should Buy?
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Large Homes
Ideal for users with homes up to 5,000 sq. ft. needing efficient whole-house humidity control.
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Health-Conscious Users
Great for individuals experiencing dry skin or respiratory issues due to low indoor humidity levels.
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Smart Home Enthusiasts
Perfect for those seeking automated climate control with digital features for convenience and efficiency.
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Small Apartments
Not suitable for compact living spaces where excessive humidity can cause mold or discomfort.
Product Description
AprilAire 400 Whole-House Humidifier, Automatic Water Saver Furnace Humidifier, Large Capacity Whole-House Humidifier for Homes up to 5,000 Sq. Ft., White
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Customer Questions & Answers
-
Question:
What size homes can the AprilAire 400 humidifier be used in?
Answer: It is designed for homes up to 5,000 sq. ft. -
Question:
How much moisture does this humidifier deliver?
Answer: It delivers 17 gallons of moisture per day. -
Question:
Is installation easy?
Answer: Yes, it comes with a complete installation kit and detailed instructions.
Aprilaire Humidifiers 400 Editorial Review
**Editorial Review of the AprilAire 400 Whole-House Evaporative Humidifier** The AprilAire 400 Whole-House Evaporative Humidifier has garnered praise from customers for its efficient functionality and user-friendly installation process. Many users have noted that the installation instructions are clear and comprehensive, making it feasible for even those with limited HVAC experience to set up the unit successfully. One satisfied customer, who is not an HVAC professional, shared her experience of researching the installation through videos and guides; she was able to replace a previous, non-functional humidifier with ease. Once installed, the AprilAire 400 has shown significant improvements in indoor humidity levels. Users appreciate features like the water-saving technology and the automatic digital control, which works well in conjunction with the home's HVAC system. The built-in sensor that adjusts humidity levels based on outdoor temperature has also been well-received, ensuring precise humidity control tailored to current weather conditions. The humidity level in one user’s home increased by an impressive 10% within the first day of operation, highlighting the unit's effectiveness. Customers report that the humidifier offers excellent value for its price point, especially Considering the advanced features it includes. The composite material filter is both efficient and easy to manage, and the built-in float sensors are a welcome safety feature that helps prevent overflow. Despite some challenges mentioned during installation, such as the need for additional hardware and tools, the overall sentiment is overwhelmingly positive. The product operates smoothly and has proven to be a reliable solution for maintaining comfortable humidity levels in homes, especially those up to 5,000 square feet in size. Overall, the AprilAire 400 Whole-House Evaporative Humidifier is a well-regarded investment for those looking to enhance their home environment with improved humidity control. **
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Pros
- Clear and straightforward installation instructions
- Effective water-saving feature
- Automatic digital control with outdoor temperature sensor
- Significant improvement in indoor humidity levels
- Good value for price with advanced features
- Efficient composite filter
Cons
- Additional hardware and tools may be required for installation
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“Excellent quality and original too,when ubuy send original things I will appreciate that ,I very satisfied thank you”
23 July 2026 · via Trustpilot
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22-Jul-26 · via Trustpilot
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Important information
- Limitations : For products shipped internationally, please note that any manufacturer warranty may not be valid; manufacturer service options may not be available; product manuals, instructions, and safety warnings may not be in destination country languages; the products (and accompanying materials) may not be designed in accordance with destination country standards, specifications, and labeling requirements; and the products may not conform to destination country voltage and other electrical standards (requiring use of an adapter or converter if appropriate). The recipient is responsible for assuring that the product can be lawfully imported to the destination country. When ordering from Ubuy or its affiliates, the recipient is the importer of record and must comply with all laws and regulations of the destination country.
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KES 56543
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Features & Benefits
- Ideal for homes up to 5,000 sq. ft., delivering balanced humidity.
- Uses 100% of water entering the system, reducing waste and costs.
- Features an automatic digital humidistat for precise humidity control.
- Delivers 17 gallons of moisture per day to maintain optimal levels.
- Simplifies installation with an all-in-one kit including necessary parts.
- Protects your home and health by minimizing harmful bacteria and preserving furnishings.
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