AprilAire 500 12-gal. Whole-House Small Bypass Evaporative Humidifier with Automatic Digital Control for up to 3,600 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit Humidifier + Install Kit
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MSRP: $335.84
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Average Price
$31.94
Min Price
$8.50
Max Price
$54.00
Other Active Listings
AprilAire 500M 12-gal. Whole-House Small Bypass Evaporative Humidifier with Manual Control for up to 3,600 sq. ft. + AprilAire Model 5843 Humidifier Installation Kit Humidifier + Installation Kit
LaVergne - Industrial Blvd Ste D$3.50
Current bid
AprilAire 500M 12-gal. Whole-House Small Bypass Evaporative Humidifier with Manual Control for up to 3,600 sq. ft. + AprilAire Model 5843 Humidifier Installation Kit Humidifier + Installation Kit
Rogers - N Dixieland Rd.$12.70
Current bidAprilAire 500 12-gal. Whole-House Small Bypass Evaporative Humidifier with Automatic Digital Control for up to 3,600 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit Humidifier + Install Kit
Rogers - N Dixieland Rd.$43.00
Current bidAprilAire 500 12-gal. Whole-House Small Bypass Evaporative Humidifier with Automatic Digital Control for up to 3,600 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit Humidifier + Install Kit
Vandalia - Industrial Park Drive$62.00
Current bidAprilAire 500 12-gal. Whole-House Small Bypass Evaporative Humidifier with Automatic Digital Control for up to 3,600 sq. ft. + AprilAire Model 5844 Humidifier Installation Kit Humidifier + Install Kit
Vandalia - Industrial Park Drive$51.00
Current bidRecently Sold
aprilaire 500m 12-gal. whole-house small bypass evaporative humidifier with manual control for up to 3,600 sq. ft. + aprilaire model 5843 humidifier installation kit humidifier + installation kit
Columbus - Chantry Drive$43.11
Final priceEnded Feb 18, 2026
aprilaire 500 12-gal. whole-house small bypass evaporative humidifier with automatic digital control for up to 3,600 sq. ft. + aprilaire model 5844 humidifier installation kit humidifier + install kit
Florence - Industrial Road$21.00
Final priceEnded Feb 01, 2026
aprilaire 500m 12-gal. whole-house small bypass evaporative humidifier with manual control for up to 3,600 sq. ft. + aprilaire model 5843 humidifier installation kit humidifier + installation kit
Florence - Industrial Road$8.50
Final priceEnded Jan 23, 2026
aprilaire 500m 12-gal. whole-house small bypass evaporative humidifier with manual control for up to 3,600 sq. ft. + aprilaire model 5843 humidifier installation kit humidifier + installation kit
Florence - Industrial Road$41.00
Final priceEnded Jan 16, 2026
aprilaire 500m 12-gal. whole-house small bypass evaporative humidifier with manual control for up to 3,600 sq. ft. + aprilaire model 5843 humidifier installation kit humidifier + installation kit
Strongsville - Drake Rd$54.00
Final priceEnded Jan 13, 2026
aprilaire 500 12-gal. whole-house small bypass evaporative humidifier with automatic digital control for up to 3,600 sq. ft. + aprilaire model 5844 humidifier installation kit
Vandalia Industrial$24.01
Final priceEnded Oct 18, 2025
Compare with Amazon
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MSRP: $335.84