Honeywell HE400A
Score: 78/100Honeywell HE240D
Score: 80/100Rankings
The Honeywell Home HE240D2001/U is a bypass flow-through evaporative humidifier designed for whole-house use, mounting directly onto forced-air furnace ducts to distribute moisture via warm airflow. It delivers up to 16 gallons of humidity per day, covering homes between 1,500 and 3,000 square feet while featuring an electronic digital humidistat with an outdoor sensor for automatic climate control. It is best suited for homeowners with forced-air furnaces in homes ranging from 1,500 to 3,000 square feet.
The Honeywell Home HE400A is a bypass duct-mounted evaporative whole-house humidifier designed for forced-air furnaces to maintain optimal indoor humidity levels. It features a digital humidistat with an outdoor sensor for automatic adjustments, offering up to 17 gallons of daily output for homes between 2,000 and 4,000 square feet. It is best suited for homeowners with forced-air furnaces who need energy-efficient, quiet humidity control.
| Attribute | Honeywell HE400A | Honeywell HE240D |
|---|---|---|
2,000 sq ft | 3,000 sq ftbest | |
17 pints/daybest | 16 pints/day | |
1 yearsbest | 1 yearsbest | |
15 in | 15.75 inbest | |
17.15 inbest | 9.5 in | |
10.1 in | 15.75 inbest | |
| ↓ lower better | 11.5 lbsbest | 11.5 lbsbest |
24 Vbest | 24 Vbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | Honeywell HE400A | Honeywell HE240D |
|---|---|---|
Design(3) | ||
Overall Height (in) | 15.0 in | 15.75 in |
Overall Width (in) | 17.15 in | 9.5 in |
Overall Depth (in) | 10.1 in | 15.75 in |
Performance(2) | ||
Coverage Area (sq ft) | 2000-4000 sq ft | 3000 sq ft |
Moisture Output (pints/day) | 17 pints/day | 16 pints/day |
Products in the top-left offer the best value (high score, low price).
No independent professional reviews from sources like Consumer Reports or Wirecutter were found. Retailer and manufacturer descriptions emphasize ease of use, energy efficiency, and suitability for homes between 2,000 and 4,000 square feet, positioning the unit as a user-friendly and eco-conscious option with digital controls.
Search results contain no consumer reviews, ratings, or testimonials. Manufacturer overviews repeat benefits like comfort and savings, but common praise or complaints cannot be detailed without user data.
Professional reviewers and editors highlight the Honeywell Home HE240D2001/U as a reliable, low-maintenance upgrade for whole-home humidification. They emphasize its optimized efficiency, water-saving technology, and microorganism reduction features compared to portable units. The product is positioned as an efficient solution for homes with forced-air furnaces, though installation requirements are noted.
Everyday users generally praise the product for providing comprehensive whole-house coverage and reducing static electricity. Common themes include appreciation for energy savings through thermostat adjustments and protection of home furnishings. However, some users express concerns regarding the complexity of installation, particularly the need for floor drains and duct access.
