
Honeywell HM750A
Score: 88/100
AprilAire 720A
Score: 92/100Rankings

The AprilAire 720A is a high-capacity fan-powered evaporative whole-house humidifier designed for large homes up to 6,250 square feet. It delivers 21 gallons per day of humidity using HydroCore technology, which reduces wastewater by 60% while doubling evaporation efficiency. It is widely regarded as the superior choice for large homes, particularly those with heat pumps or tight construction.

The Honeywell HM750A1000 is a compact, advanced electrode steam humidifier designed for whole-home use, capable of maintaining consistent humidity levels on-demand. It features automatic water filling, easy maintenance with an accessible replacement canister, and flexible mounting options for duct or wall installation. It is characterized as 'the most advanced residential steam humidifier available' by manufacturers.
| Attribute | ![]() | ![]() |
|---|---|---|
— | 6,250 sq_ftbest | |
22 gallons_per_daybest | 21 gallons_per_day | |
2 in_h2obest | — | |
| ↓ lower better | 3,000 watts | 10 wattsbest |
10 inches | 18 inchesbest | |
8 inches | 10.5 inchesbest | |
21 inchesbest | 16.5 inches |
Click an attribute name to sort · Green = best, red = worst (relative to this comparison)
| Attribute | ![]() | ![]() |
|---|---|---|
Power & Electrical(1) | ||
Power Consumption (watts) | 3000 watts | 10 watts |
Maintenance & Features(1) | ||
Water Panel Type | Electrode Cylinder | HydroCore Model L |
Design & Dimensions(3) | ||
Unit Height (inches) | 10.0 inches | 18.0 inches |
Unit Width (inches) | 8.0 inches | 10.5 inches |
Unit Depth (inches) | 21.0 inches | 16.5 inches |
Connectivity & Controls(1) | ||
Smart Home Compatibility | Resideo Total Connect Comfort | |
Performance(3) | ||
Coverage Area (sq_ft) | Variable sq_ft | 6250 sq_ft |
Humidification Capacity (gallons_per_day) | 11-22 gallons_per_day | 21 gallons_per_day |
Max Static Pressure (in_h2o) | 2 in_h2o | in_h2o |
Controls & Sensors(2) | ||
Control Type | Electronic Digital | Automatic Digital |
Sensor Type | Electronic | Outdoor Temperature |
Installation & Compatibility(2) | ||
Installation Type | Duct/Wall Mount | Whole-house (HVAC ducting) |
Mounting Position | Duct/Wall | Reversible |
Features(1) | ||
Fan Powered | false | true |



Manufacturers and authorized distributors characterize the HM750 as 'the most advanced residential steam humidifier available' and emphasize its premium positioning with superior ease of installation and maintenance compared to competitors.
The search results do not contain documented user reviews, customer feedback, or ratings from end consumers. One retailer listing specifically notes that there are no reviews yet, indicating limited publicly available consumer experiences at this time.

Professional reviewers highlight the AprilAire 720A's industry-leading 21 GPD capacity and its innovative HydroCore technology. It is widely regarded as the superior choice for large homes up to 6,250 square feet, particularly those with heat pumps or tight construction.
Search results lack direct consumer reviews or forum discussions; no common praise or complaints are available from the provided data. Product pages emphasize professional installation requirements, suggesting limited DIY user feedback is present in current sources.

