Finding the best bypass humidifier suitable for your needs isnt easy. With hundreds of choices can distract you. Knowing whats bad and whats good can be something of a minefield. In this article, weve done the hard work for you.
Reviews
1. Aprilaire Model 500 M Whole-house Bypass Humidifier with Manual Control
Feature
Delivers optimum levels of humidity control with the Automatic Digital Humidifier ControlHumidifies tightly constructed homes up to 3,000 square foot in size
Has an evaporation capacity of 0.50 gallons per hour
Provides vital service, temperature and relative humidity indicators in manual mode as well
Incorporates easy right or left discharge change-over
Installed in central heating and cooling system ductwork.
Comes equipped with a drain to flush minerals from the unit
Humidifies tightly-constructed homes up to 3,000 square feet in size
Description
Aprilaire 500 model automatic whole-house bypass humidifier with digital control. Includes water panel, outdoor temp sensor, saddle valve, 24V transformer, built in damper. Unit is 15.62 inch wide x 13 inch tall and 10.25 inch deep. Plenum opening size 9.5 inch sq bypass connection comes mounted on the left and can be modified for the right side applications.2. Aprilaire 500 Humidifier, 24V Whole House Humidifier w/ Auto Digital Control Bypass Damper .5 Gallons/ hour
Feature
Includes automatic digital control, outdoor sensor, water pad, 110V to 24V transformer, and biult-in bypass damper.The Aprilaire 500A will cover up to 3000 sq ft.
This unit has a waterfeed rate of 3.0 GPH and will deliver an evaporative rate of .5 GPH
Description
Aprilaire humidifiers provide maximum comfort throughout your entire home - every hour, every day, all season long, without the mess and inconvenience of portables. Heating your indoor air dries out your skin. This not only makes you feel itchy but can also make you feel chilly. This cold effect is not the only discomfort caused by too dry air. Annoying static electricity is another indication of low humidity levels. Proper relative humidity (rh) will reduce this discomfort. Truly automatic control, but it can also be installed in manual mode3. Aprilaire 600M Whole-House Humidifier with Manual Control
Feature
The Aprilaire 600 humidifier is the best bypass humidifier on the market todayCapable of evaporating up to 4,000 square feet, this 24V whole house humidifier with automatic digital control uses a water panel evaporator to deliver 3 gallons an hour easy to use
A small damper handles allows you to adjust the damper
Delivers up to 50% more moisture in comparison to competitive units
Has an evaporation capacity of 0.70 gallons per hour
Humidifies tightly-constructed homes up to 4,000 square feet in size
Description
Automatic digital humidifier control built-in bypass damper with handle delivers up to 50% more moisture vs. Competitive units evaporation at 0.70 gallons humidifies up to 4,000 square feet relative humidity indicators test/reset button.4. Aprilaire 400M Humidifier Bypass
Feature
Manual Drainless Bypass HumidifierHumidifies a tightly-constructed home of up to 4,000 square feet
The Aprilaire 400M Humidifier includes a built-in bypass damper that is conveniently labeled for winter and summer settings
Description
The Aprilaire 400 humidifiers a 24 volt drainless whole house humidifier with automatic digital control. The Aprilaire state of the art humidifier utilizes gravity to pull water in and disperse it into the air, utilizing 100 percent of water to add moisture to your air. By evaporating up to 0.7 gallons of water per hour, yours never have to experience the discomfort of dry air again best of all, the wide ranging effects of this device can reach all rooms in a tightly constructed home of up to 4,000 square feet if you are all about water conservation or live in an area where standing water can become a problem, donrs wait another day to get the Aprilaire 400 whole house humidifier.5. Aprilaire 600 Humidifier Auto
Feature
Permanent memory - programming, time and date are not lost during a power outageCopy function - allows for quicker programming and 7-day programming allows for separate programming for each day
Programmable fan - delivers better indoor air quality when combined with an Aprilaire whole home air cleaner
Description
Aprilaire humidifiers provide maximum comfort throughout your entire home - every hour, every day, all season long, without the mess and inconvenience of portables. Heating your indoor air dries out your skin. This not only makes you feel itchy but can also make you feel chilly. This cold effect is not the only discomfort caused by too dry air. Annoying static electricity is another indication of low humidity levels. Proper relative humidity (rh) will reduce this discomfort.6. Aprilaire 400 Humidifier Bypass
Feature
Automatic digital humidifier control evaporating capacity of 0.70 gallons per hourHumidifies up to 4,000 square foot ideal for tight construction homes
Provides service, temperature, humidity statistics minimal water usage
Description
The Aprilaire 400 humidifiers a 24 volt drainless whole house humidifier with automatic digital control. The Aprilaire state of the art humidifier utilizes gravity to pull water in and disperse it into the air, utilizing 100 percent of water to add moisture to your air. By evaporating up to 0.7 gallons of water per hour, yours never have to experience the discomfort of dry air again best of all, the wide ranging effects of this device can reach all rooms in a tightly constructed home of up to 4,000 square feet if you are all about water conservation or live in an area where standing water can become a problem, donrs wait another day to get the Aprilaire 400 whole house humidifier. It not only recycles water cleanly into the air, but can help eliminate water where draining is not available. The Aprilaire 400 humidifier does not require much maintenance at all. You should visually inspect the unit every 500 hours, more frequently during heavy use. Inspect the Plumbing and water lines for cracks or leaks and replace as needed. The one item that does require to be replaced is the water panel. The water panel should be replaced annually during regular use and every six months during heavy use. Are you tired of dry skin, splitting or cracking on your hard wood floors or trouble breathing in your home these can all be signs of a lack of moisture within your airflow, meaning that you and your family will benefit greatly from the Aprilaire 400. Note: heat pumps: Aprilaire 400 model can be installed in heat pump applications. However, due to the fact that heat pumps deliver lower temperature air to the home than gas furnaces, evaporation will be approximately 60 of rated capacity. (With other Aprilaire models hot water can be used instead of cold to maximize evaporation. However, due to the nature of the wicking water panel in the 400 model hot water provides no extra benefit.7. Honeywell Whole House Bypass Humidifier (HE280)
Feature
Utilizes home's HVAC system for whole-home humidity distributionEasy mounting on either warm air supply or return air duct of forced-air furnaces
Less maintenance and cleaning than portable units
Easy-to-use humidity control included
Installation kit included
Description
Stay comfortable during the cold winter months and protect your home with the Honeywell HE280 Bypass Flow-Through Humidifier. This one-stop solution works with your forced air furnace to humidify all the rooms in your home. It features easy DIY installation with an included installation kit and quick annual maintenance. This model includes a humidistat for easy humidity control.8. Honeywell HE100A1000 TrueEASETM Small Basic Bypass Humidifier
Feature
Brand: HoneywellManufacturer's Part Number: HE100A1000
Description: Small Basic Bypass Humidifier