Aprilaire

AprilAire 300

Name: AprilAire 300
Brand: Aprilaire
SKU: B0BGJTF9ZZ
Price: 653.39 USD
Availability: InStock
Rating: 3.4 (11 reviews)

Expert Review Analysis

The AprilAire 300 is a self-contained, fan-powered evaporative whole-house humidifier designed for homes with ductless heating systems like boilers and mini-splits, as well as ducted forced-air furnaces where space is limited. It delivers up to 13 gallons per day of capacity, covering areas up to 3,900 square feet in tightly built homes or 2,000 square feet in average construction. Key features include a digital manual humidistat with an onboard sensor for precise humidity control, quiet operation between 49-55 dBA, and easy bottom-access water panel replacement.

✓ Best for: Homes with ductless heating systems such as boilers, mini-splits, or radiant heat up to 3,900 square feet in tight construction or 2,000 square feet in average homes. It is also ideal for ducted forced-air systems where space is limited like basements or utility rooms. Specific use cases include whole-home humidification without furnace integration and maintaining 40-60% relative humidity to protect respiratory health and wood furnishings.✗ Not ideal for: Homes with heating setups that cannot provide inlet water temperatures of at least 120°F may experience reduced performance. It is also less ideal for users seeking passive humidification without electrical fan power consumption or those requiring maximum capacity in homes with very long duct runs exceeding the effective hard duct length.

Pros

✓Delivers high capacity of 13 gallons per day covering up to 3,900 sq ft in tight construction homes

Best Seller Rank History

Now#766Best#101Worst#1,919 +1,153

Lower = better sales rank

Specifications

Capacity

Water Output at Varying Pressure12.5 gpd at 0.1" w.c.; 13.5 gpd at 0.17" w.c.

Airflow

CFM at Varying External Static Pressure270 CFM at 0.0" w.c.; 255 CFM at 0.1" w.c.; 250 CFM at 0.15" w.c.; 245 CFM at 0.2" w.c.

Humidistat

Control Range and Accuracy10-50% RH control range with ±5% accuracy and 3% differential

Operating Conditions

Minimum Inlet Requirements65°F minimum inlet air temperature; 120°F minimum inlet water temperature

Dimensions & Weight

Height12.43 inches

Width14.375 inches

Depth22.07 Inches

Weight29.2 pounds

Research Sources

shop.aprilaire.com

hvacinformed.com

aprilairepartners.com

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AprilAire 300

Expert Review Analysis

Best Seller Rank History

Specifications

Capacity

Airflow

Humidistat

Operating Conditions

Dimensions & Weight

Research Sources

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