Humidifiers

Humidifiers add moisture to indoor air for homes, offices, facilities and HVAC applications. This category includes installed electrode models for controlled system integration, ultrasonic units for tabletop and whole-room use, and evaporative humidifiers for rooms of varying sizes. Available features include adjustable output, automatic humidity control, easy-fill tanks, directional mist and optional ambient illumination.

Product Display:
Helpful Buying Guide

Choose a Humidifier for Your Room, Routine and Humidity Controls

Start by identifying where humidity is needed and how much coverage the space requires. The available humidifiers range from tabletop units for immediate surroundings to whole-room models rated for spaces up to 900 square feet, plus an electrode humidifier designed for installed HVAC systems. Compare humidification method, stated coverage or output, tank arrangement, control options and features that make refilling or operation easier.

Visual Guide

Popular examples in this category

Electrode Humidifier with Digital Humidity Control, 11/22 GPDElectrode Humidifier with Digital Humidity Control, 11/22 GPDWBB2083709Ultrasonic Cool Mist Humidifier with Aromatherapy Tray, WhiteUltrasonic Cool Mist Humidifier with Aromatherapy Tray, WhiteWBB3091968Top-Fill Ultrasonic Cool-Mist Humidifier with 4-Liter TankTop-Fill Ultrasonic Cool-Mist Humidifier with 4-Liter TankWBB3224115Votiv 4 Ultrasonic Humidifier with Ambient IlluminationVotiv 4 Ultrasonic Humidifier with Ambient IlluminationWBB3224116
Use Cases

Match the humidifier to the setting

Use a tabletop ultrasonic humidifier for moisture near a desk or other immediate area. Choose a whole-room unit for a stated room-size range, or select an electrode model when controlled humidity is needed as part of an installed HVAC system.

How to Choose

Compare method, size and controls

Choose ultrasonic, evaporative or electrode operation first. Then compare the stated coverage area or moisture output, tank capacity, refill style, available mist or fan settings, and whether automatic humidity control is needed.

Applications

Support room and facility comfort

These humidifiers are represented for rooms, offices, facilities, tabletop placement and HVAC integration. Whole-room options cover stated areas from up to 300 square feet to up to 900 square feet.

Additional Information

Look for convenience features

Depending on the model, useful features include clear tanks, top-fill or easy-fill designs, low-water indication, automatic shutoff, touch or push-button controls, remote control, included wicks or filters, and optional candle-like illumination.

Up to 900 sq. ft.Stated whole-room coverage

The largest stated coverage area among the listed room humidifiers.

11/22 GPDElectrode output

Available at 120V or 240V, respectively, for the installed electrode humidifier.

Up to 60 hoursLow-setting runtime

Stated for the 95-ounce ultrasonic cool mist model.

Up to 4 gal./dayMoisture output

Stated for the ultrasonic cool/warm mist whole-room model.

Comparison Guide

Compare Humidifier Types

Use this overview to narrow the selection based on the operating approach and product characteristics represented in this category.

Ultrasonic humidifiersEvaporative humidifiersElectrode HVAC humidifier
Moisture deliveryCool mist; one model offers cool or warm mistNatural evaporation without mist or white dust; no mist on represented models described this way in the summaries; wait
Best represented usesTabletop, immediate surroundings and whole-room spacesWhole-room spaces, offices and facilities; wait
Key selection pointsCompare coverage, mist settings, tank size, humidistat, illumination and refill featuresCompare coverage, tank configuration, fan settings, humidistat, water indicators and included wicks or filters
Planning Guide

Plan the right fit before choosing

Humidification Types

Select ultrasonic, evaporative or electrode operation

Ultrasonic models provide cool mist, with one model offering cool or warm mist. Several ultrasonic units offer adjustable mist levels, and some include whole-room coverage ratings or built-in humidistats. Evaporative models add moisture through natural evaporation without producing mist or white dust. The electrode humidifier is intended for integration with an installed HVAC system and uses digital humidity control.

  • Ultrasonic options include tabletop, cool-mist, whole-room and cool/warm mist designs.
  • Evaporative options use natural evaporation and are represented with coverage up to 750 square feet.
  • The electrode model provides 11 GPD at 120V or 22 GPD at 240V.
Coverage, Output and Water Capacity

Size the unit around the area and refill routine

For room units, use the stated coverage rating to compare models. Available whole-room humidifiers are represented for spaces up to 300, 400, 500, 600, 700, 750 and 900 square feet. Tank sizes range from 0.5 gallon to 1.75 gallons among listed models, while other units use a 4-liter tank, a 95-ounce tank or dual tanks. Runtime and output vary by model and setting.

  • A 4-liter top-fill ultrasonic model is rated for rooms up to 400 square feet.
  • Evaporative whole-room options are rated for up to 700 or 750 square feet.
  • A cool/warm mist model is rated for rooms up to 900 square feet and up to 4 gallons of moisture output per day.
Controls and Everyday Features

Choose the adjustment and maintenance features you value

Models offer different ways to set and maintain humidity. Options include adjustable mist control, low and high settings, multiple fan speeds, digital or electronic controls, touch controls, a humidity-sensing remote and built-in humidistats. For routine use, consider tank visibility, top-fill or wide-opening tanks, carrying handles, automatic shutoff, low-water alerts and included operating components.

  • Built-in humidistats help selected models automatically maintain the humidity level you choose.
  • Top-fill, wide-opening and easy-fill designs can simplify refilling and cleaning.
  • Included components vary by model and may include scent pads, mineral cartridges, wicks or a filter.
FAQ

Common questions before buying

What types of humidifiers are available?

The category includes ultrasonic, evaporative and electrode humidifiers. Ultrasonic units include tabletop and whole-room models, evaporative models use natural evaporation, and the electrode model is designed for installed HVAC integration.

What room sizes do the whole-room humidifiers cover?

Listed whole-room coverage ranges from up to 300 square feet to up to 900 square feet, depending on the model.

Which humidifiers can automatically maintain a selected humidity level?

Selected whole-room ultrasonic and evaporative models have built-in humidistats or automatic humidity control. The electrode humidifier uses digital humidity control.

Which features can make refilling easier?

Available convenience features include top-fill, wide-opening, easy-fill, removable and clear tanks, dual tanks, water-level visibility, low-water indicators and tank handles.

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