With our steam humidifier ratings, you can compare whole house steam humidifier units side by side using our Head To Head tool.
You can compare 16 models from 13 brands in 5 categories such as capacity, cost, warranty, and availability.
You can also read the individual reviews of each brand below.
Our simple rating system gives each brand a color code and a star rating. If the card is green, then, that is one of the top picks from HvacRepairGuy. If the card is yellow, then, that would be a budget pick from HvacRepairGuy. If the card is red, then, the brand is not recommended by HvacRepairGuy. It truly is like you were taking a repairman shopping with you!
These humidifier reviews are for units that produce steam that is released into the home's air through a duct system
This brand is made in Canada by Thermolec and is sold through their limited dealer network. The Acu Steam 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 but their warranty is more complicated and not as good as other brands. The Split Steam model is designed for homes that do not have a heating duct system.
This brand is from Trane Technologies and is sold by factory authorized dealers in the USA and Canada. The Platinum AHUMD800 model has varying capacity of from 11.5 to 34.6 gallons per day but comes with a basic manual control instead of an automatic control that varies the setpoint based on the outdoor temperature. The guarantee on the units is not as good as some of the other brands.
This brand is made in the USA by Research Products Corp and the humidifiers can be purchased through their Amazon store. The model 800 is a steam humidifier that can use the home's duct system blower or an optional fan pack to distribute the moisture. They have a sensor which sense the indoor humidity level as well as a sensor to measure the outdoor air temprature to allow for automatic operation. They have a 34.6 gallon per day capacity and are backed by a very good warranty.
This brand is made in the USA by Carrier Corp but they are only available through their dealer network for professional installation. The HUMCRSTM3134 model has a 34 gallon per day capacity and can be used with their Evolution control, Preferred Thermidistat, or with a separate humidity control. They are relatively expensive but they are backed by a very good guarantee.
This brand is made in the USA but they are only available through their dealer network for professional installation. The HUMCRSTM3134 model has a 34 gallon per day capacity and can be used with their Infinity control, Preferred Thermidistat, or with a separate humidity control. They are relatively expensive but they are backed by a very good guarantee.
This brand is made in the USA by Daikin Comfort Technologies North America, Inc. which is a part of Daikin Global but they are only sold through their factory authorized dealer network. The HS Series offers two sizes of units with the HS1122 model using either 120 or 240 volt power while the HS2529 model uses 208/240 volt power. They have automatic drain and fill cycles to prevent the stagnation of the water in the cylinder as well as auto adaptive technology to adapt to changing water conditions. They are backed by a good warranty but it is not as good as some of the other brands.
This brand is from Unitary Products Group which is a part of Johnson Controls but they are only sold through their factory authorized dealer network. The S1-STEAM8000T01 can be used with either 120 or 240 volt power and provides a 11.5 or 23.3 gallon per day capacity based on the voltage supplied. They come with a basic mechanical control instead of an automatic control that varies the setpoint based on the outdoor temperature. The guarantee on the units is not as good as some of the other brands.
This brand is from General Filters Inc and is backed by a pretty good warranty. The model 5500 humidifier can be used with either 120 or 230 volt power. They have an automatic humidistat control but it does not sense the outdoor temperature to change the humidity setpoint. They offer an optional room fan kit so that the humidifier can be used in homes that do not have a heating duct system.
This brand name is licensed to Resideo Technologies Inc. and the humidifiers are made in Mexico. The Hm750A1000 model can be used with either 120 or 240 volt power and has a 11 gallon per day capacity with 120 volts or 22 gallons per day with 240 volt power. The unit has a connected digital humidistat that automatically controls the unit and adjusts the setpoint based on outside air temperature. They are backed by a pretty good guarantee.
This brand is from Unitary Products Group which is a part of Johnson Controls but they are only sold through their factory authorized dealer network. The S1-STEAM8000T01 can be used with either 120 or 240 volt power and provides a 11.5 or 23.3 gallon per day capacity based on the voltage supplied. They come with a basic mechanical control instead of an automatic control that varies the setpoint based on the outdoor temperature. The guarantee on the units is not as good as some of the other brands.
This brand is from Trane Technologies and is sold by factory authorized dealers in the USA and Canada. The EHUMD800 model has varying capacity of from 11.5 to 34.6 gallons per day but comes with a basic manual control instead of an automatic control that varies the setpoint based on the outdoor temperature. The guarantee on the units is not as good as some of the other brands.
This brand is made in the USA by Air System Components which is a subsidiary of Johnson Controls. The ComfortSteam units feature an electronic humidistat that adjusts operation based on outdoor air temperature. The CFS20 model uses 120 volt power and has a 11.5 gallon per day capacity while the CFS22 model uses 230 volt power and has a 23 gallon per day capacity. The units have a built-in UV-C light for air purification but their guarantee is not very good when compared to the other brands.
This brand is from Unitary Products Group which is a part of Johnson Controls but they are only sold through their factory authorized dealer network. The S1-STEAM8000T01 can be used with either 120 or 240 volt power and provides a 11.5 or 23.3 gallon per day capacity based on the voltage supplied. They come with a basic mechanical control instead of an automatic control that varies the setpoint based on the outdoor temperature. The guarantee on the units is not as good as some of the other brands.
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