Price History for Model 400 Water Saver 17 gal. for up to 5,000 sq. ft. Whole-House Evaporative Humidifier with Digital Control
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Model 400 Water Saver 17 gal. for up to 5,000 sq. ft. Whole-House Evaporative Humidifier with Digital Control
AprilAire helps make your home a Healthy Air environment with the Model 400 17 gal. Water Saver Humidifier. This whole-house humidifier is designed for homes up to 5,000 sq. ft., delivering optimal relative hum
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Price History Chart
Recorded price history
| Date | Price |
|---|---|
| Aug 11, 2026 | $409.99 |
| Aug 9, 2026 | $372.99 |
| Aug 7, 2026 | $409.99 |
| Aug 6, 2026 | $372.99 |
| Jul 24, 2026 | $409.99 |
| Jul 18, 2026 | $405.89 |
| Jul 13, 2026 | $393.59 |
| Jul 6, 2026 | $409.99 |
| Jul 5, 2026 | $408.75 |
| Jun 8, 2026 | $409.99 |
| Jun 7, 2026 | $399.91 |
| Jun 5, 2026 | $399.96 |
| May 28, 2026 | $409.99 |
| May 23, 2026 | $395.43 |
| May 5, 2026 | $409.99 |
| Apr 26, 2026 | $368.99 |
| Apr 24, 2026 | $389.49 |
| Apr 8, 2026 | $409.99 |
| Mar 5, 2026 | $364.99 |
| Feb 26, 2026 | $364.99 |
| Feb 7, 2026 | $364.99 |
| Feb 2, 2026 | $364.99 |
Analysis
Model 400 Water Saver 17 gal. for up to 5,000 sq. ft. Whole-House Evaporative Humidifier with Digital Control price analysis
Price analysis for Model 400 Water Saver 17 gal. for up to 5,000 sq. ft. Whole-House Evaporative Humidifier with Digital Control at Home Depot: Today's price is $409.99. Current price is 2% above the 90-day average of $400.68 (a $9.31 above the running mean).
- Currently listed at $409.99, which is $45.00 above the original MSRP of $364.99.
- Current price is 2% above the 90-day average of $400.68 (a $9.31 above the running mean).
- The lowest recorded price on PriceWatchPro was $364.99 on February 2, 2026. That's $45.00 below today's price.
- The highest recorded price on PriceWatchPro was $409.99 on April 8, 2026.
- 30-day trend: essentially flat (less than 1% movement).
- Across 21 tracked price changes, the listing has dropped 8 times with an average drop of $19.65.
- PriceWatchPro has been tracking this listing since February 2, 2026 (199 days of price history).
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Snapshot
Model 400 Water Saver 17 gal. for up to 5,000 sq. ft. Whole-House Evaporative Humidifier with Digital Control shopping snapshot
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