
GeneralAire 1042-LH
Score: 75/100Honeywell 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 GeneralAire 1042-LH is a bypass evaporative whole-house humidifier designed for homes up to 2,800 square feet. It operates as a flow-through system that utilizes the furnace's warm air to evaporate water through a vapor pad, adding moisture to the home's air with a maximum output of 17 gallons per day. It is a straightforward, low-maintenance solution with minimal electrical needs.
| Attribute | ![]() | Honeywell HE240D |
|---|---|---|
2,800 sq ft | 3,000 sq ftbest | |
136 pints/daybest | 16 pints/day | |
5 yearsbest | 1 years | |
14 in | 15.75 inbest | |
18 inbest | 9.5 in | |
14 in | 15.75 inbest | |
| ↓ lower better | 15.21 lbs | 11.5 lbsbest |
24 Vbest | 24 Vbest |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | Honeywell HE240D |
|---|---|---|
General(1) | ||
Warranty Length (years) | 5 years | 1 years |
Controls(1) | ||
Control Type | Manual | Digital |
Design(4) | ||
Overall Height (in) | 14.0 in | 15.75 in |
Overall Width (in) | 18.0 in | 9.5 in |
Overall Depth (in) | 14.0 in | 15.75 in |
Product Weight (lbs) | 15.21 lbs | 11.5 lbs |
Performance(2) | ||
Coverage Area (sq ft) | 2800 sq ft | 3000 sq ft |
Moisture Output (pints/day) | 136 pints/day | 16 pints/day |
Features(1) | ||
Installation Type | Bypass | Bypass Duct-Mounted |

Products in the top-left offer the best value (high score, low price).

Professional sources highlight the GeneralAire 1042-LH as a robust, energy-efficient solution for medium-to-large homes. Reviewers note its flexible installation options and durable construction as key strengths, while acknowledging that its performance is inherently tied to furnace operation cycles.
No specific consumer feedback or user reviews were found in the provided data sources.
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.
