World's Best Steam Humidifier

Our top selection is the CARRIER brand which is a part of UNITED TECHNOLOGIES CORP. The units have a large capacity at 34 gallons/day and are backed by a very good guarantee.

Other Steam Humidifier Ratings

We continue our steam humidifier ratings with an alphabetical list of manufacturers and reviews of their products.

BRAND----------WEB ADDRESS----RATING

ADAMS---adamsmanufacturing.com---2*

This brand offers units that are made of durable stainless steel and have a capacity of 14.4 gallons/day. They can be plenum mounted, under duct, or stand alone but the guarantee on the units is not as good as other brands.

APRILAIRE-------aprilaire.com-----------4*

The model 800 is a steam humidifier that can use the home's duct system or an optional fan pack to distribute the moisture. They are sold through authorized dealers and are backed by a very good warranty. The brand is a part of RESEARCH PRODUCTS CORP.

BRYANT----------bryant.com--------------5*

This brand is a part of UNITED TECHNOLOGIES CORP. The PREFERRED SERIES units have a large capacity at 34 gallons/day and are backed by a very good guarantee.

CARRIER---------carrier.com--------------5*

This brand is a part of UNITED TECHNOLOGIES CORP. The PERFORMANCE SERIES units have a large capacity at 34 gallons/day and are backed by a very good guarantee.

CLEAN COMFORT--cleancomfort.com---4*

The HS SERIES offers three sizes of units and uses disposable cylinders. They have automatic drain and fill cycles and are backed by a good warranty. The brand is from DAIKIN GLOBAL.

DORNBACK--dornbackfurnace.com-----2*

This brand offers units that are made of durable stainless steel and have a capacity of 14.4 gallons/day. They can be plenum mounted, under duct, or stand alone but the guarantee on the units is not as good as other brands.

GENERALAIRE---generalfilters.com-----3*

The RS25 models feature digital controls and have a capacity of 25-35 gallons/day. They can be duct mounted or remote mounted and are backed by a decent warranty.

HONEYWELL-yourhome.honeywell.com-4*

The TrueSteam units can provide steam to the home's ducts either directly or from a remote location. They have a lower capacity at 12 gallons/day but are backed by a good guarantee.

SKUTTLE----------skuttle.com-------------2*

This brand offers a variety of models but their warranty is not as good as other brands

THERMOLEC------thermolec.com--------3* 

The ACUSTEAM humidifiers offer an optional modulating control and feature self cleaning elements. They have a durable stainless steel tank and an electronic humidistat with outdoor reset control. They are available in three sizes and are backed by a good warranty. 

TRION-------------trioniaq.com-----------1*

The COMFORTSTEAM units are available in three sizes to match the needs of the home. They feature an electronic humidistat that adjusts operation based on outdoor air temperature. Their website does not have a stated guarantee for the units.

WHITE RODGERS-emersonclimate.com-1*

The HSP units are available in two sizes but have a relatively low output. They have a flushing timer and built in chlorine removal filter to ensure long life.

YORK---------------york.com---------------4*

This brand is a part of JOHNSON CONTROLS. The AFFINITY SERIES offers a steam humidifier with a 23.3 GPD capacity. The units are backed by a good guarantee.