10 Best Steam Shower Generator 2026 in the United States

The Delta Faucet SimpleSteam 10kW Steam System Kit is a solid choice for anyone looking for a reliable steam shower generator. Its 10kW power rating is suitable for medium-sized steam showers, effectively providing ample steam output while maintaining a manageable water usage rate. The inclusion of smart controls adds convenience, allowing users to easily manage their steam experience with digital precision.

One of the standout features of this system is its compact, space-saving design. It can be installed in tight spaces such as a vanity, closet, or attic, making it a flexible option for homes with space constraints. The matte black finish gives it a sleek, modern look that can match various bathroom decors. Users have rated the product highly, with a 4.7 out of 5 stars, indicating a strong satisfaction with its performance and reliability over time. However, it's worth noting that the generator pan and auto drain—which could enhance maintenance and longevity—are not included and must be purchased separately. The kit requires a 240V installation, which is standard but something to be aware of during setup.

Additionally, while noise levels aren't specified, the Delta brand is known for producing relatively quiet systems, which is an essential factor for a relaxing steam experience. The Delta Faucet SimpleSteam 10kW Steam System is perfect for users who need a powerful, yet compact steam generator with modern controls. However, potential buyers should consider the additional cost of accessories like the generator pan and auto drain for optimal performance and maintenance.

The Mr Steam MS-400-E Steam Bath Generator is designed for those seeking to create a luxurious steam shower experience at home, suitable for rooms up to 360 cubic feet. Its power rating of 9 kW delivers ample steam output, ensuring a satisfying and relaxing session. The square brushed nickel finish provides a modern aesthetic that can easily blend into contemporary bathroom designs.

One of the standout features is the iTempo Control, which allows users to easily adjust steam settings, enhancing convenience. Additionally, the included Aroma Steam Head offers the option to enjoy aromatherapy, adding a soothing scent to your steam experience. The auto flush valve is another practical feature that helps maintain the generator's cleanliness and longevity, reducing the need for extensive maintenance.

There are a few considerations to keep in mind. The installation could be a bit challenging for those who are not handy, as it requires proper plumbing and electrical connections. This might necessitate hiring a professional, which could increase costs. The generator also weighs 40 pounds, making it somewhat cumbersome to install without assistance. The unit operates on 236 volts, which could also be a consideration for homes without appropriate electrical setups.

The KOHLER K-5526-NA Invigoration Series Steam Generator is a solid choice for anyone looking to add a steam shower experience to their home. Its 7 kW power rating means it can quickly produce steam—taking about 60 seconds to fill a steam shower up to 112 cubic feet, which is ideal for most residential showers. One of its best features is the fast-response technology, so you don't have to wait long to enjoy your steam session. The generator also includes power clean technology that makes maintenance easier by automatically cleaning the system with just one touch, helping to keep the unit running smoothly and safely over time. Kohler products are generally designed to operate quietly.

This generator does not come with a control system—either the K-5557 Invigoration Steam Generator Control Kit or the K-5548-K1 DTV+ Steam Adapter Kit must be purchased separately to operate it. This means additional investment and installation consideration. Installation requires some planning since it's built for residential use and must work with compatible Kohler systems, which may limit flexibility if you want to mix brands.

The unit weighs about 29 pounds and is made with durable stainless steel components, promising long-lasting use. Typical steam generators are quite efficient in water usage. If you want a reliable, fast, and easy-to-maintain steam generator and are willing to buy the control kit separately, this KOHLER model can be a great addition to your bathroom for a relaxing steam experience.