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10 Best Steam Shower Generator 2026 in the United States

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Our technology thoroughly searches through the online shopping world, reviewing hundreds of sites. We then process and analyze this information, updating in real-time to bring you the latest top-rated products. This way, you always get the best and most current options available.

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Our Top Picks

#1

Winner

Delta Faucet SimpleSteam 10kW Steam System Kit Matte Black, Includes 10kW Steam System Generator, Square Digital System Control, Square Steam Head, Matte Black 5P-EST010-BL

Rating
10.0
Chosen by1,446
Control Options
Steam Output
Installation Requirements

Most important from
51 reviews

Control Options
Takes about 10 minutes to get the shower area up to steam, with a recommended setting of 106 degrees.
Steam Output
Works great once installed, providing a satisfying steam experience.
Installation Requirements
Not an easy DIY project; professional installation may be required due to complexities like location and power draw.

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.

Rating
10.0
Chosen by1,446
Control Options
Steam Output
Installation Requirements

Most important from
51 reviews

Control Options
Takes about 10 minutes to get the shower area up to steam, with a recommended setting of 106 degrees.
Steam Output
Works great once installed, providing a satisfying steam experience.
Installation Requirements
Not an easy DIY project; professional installation may be required due to complexities like location and power draw.
#2

Kohler K-5535-NA Invigoration Series Steam Generator, 15 kW

Rating
9.1
Steam Output
Installation Requirements
Maintenance and Durability

Most important from
97 reviews

Steam Output
Delivers a luxurious steam experience that transforms your shower into a spa-like retreat.
Installation Requirements
Installation is straightforward with clear, easy-to-follow instructions.
Maintenance and Durability
Built to last, with units still performing well after more than a decade.

The Kohler K-5535-NA Invigoration Series Steam Generator offers a powerful 15 kW output, making it suitable for large steam showers up to 500 cubic feet. It heats up quickly, generating steam in about 60 seconds, which is great if you want fast comfort. The unit uses advanced Power Clean technology that simplifies maintenance by enabling automatic cleaning, helping keep the generator running smoothly with minimal hassle.

It is designed for use with Kohler's dtv+ showering system; however, the necessary control kits are sold separately, which may add to the setup cost and complexity. Installation requires some planning since it needs proper integration with your existing shower space and water supply, and it weighs around 50 pounds, so professional installation is recommended. The stainless steel construction suggests good durability over time.

This model provides excellent steam output and easy cleaning, though the need for additional control components and professional installation might be a drawback for some. If you want a reliable, fast-acting system for a custom or large steam shower and don’t mind the extra setup requirements, this model fits those needs well.

Rating
9.1
Steam Output
Installation Requirements
Maintenance and Durability

Most important from
97 reviews

Steam Output
Delivers a luxurious steam experience that transforms your shower into a spa-like retreat.
Installation Requirements
Installation is straightforward with clear, easy-to-follow instructions.
Maintenance and Durability
Built to last, with units still performing well after more than a decade.
#3

Delta Faucet SimpleSteam 15kW Steam System Kit Matte Black, Includes 15kW Steam System Generator, Square Digital System Control, Square Steam Head, Matte Black 5P-EST015-BL

Rating
7.6
Steam Output
Control Options
Installation Requirements

Most important from
51 reviews

Steam Output
Delivers superior steam output that rivals commercial health club units, making the steam experience truly revitalizing.
Control Options
The control system is straightforward and user-friendly, providing simple operation without unnecessary complexity.
Installation Requirements
Installation results in a quiet and efficient steam shower that enhances relaxation and wellness at home.
Maintenance and Durability
Offers excellent value with a powerful performance and a robust warranty, ensuring long-term peace of mind.

The Delta Faucet SimpleSteam 15kW Steam System Kit offers a powerful steam generator suitable for home steam showers, with a solid 15kW power rating that can quickly produce steam. It comes as a complete kit including a digital square control and square steam head, all finished in stylish matte black for a modern look. The generator’s compact design allows flexible installation options—whether in a vanity, closet, attic, or basement—which is great if space is limited. It operates quietly, adding to a relaxing steam experience.

The system’s stainless steel construction helps with durability and long-term maintenance, and Delta backs it with a limited lifetime warranty, giving added peace of mind. On the control side, the digital square system is straightforward to use, though some users might find the controls a bit minimal if they want more customization. Installation requires some assembly and a 240-volt power supply, which might need professional help if you’re not familiar with electrical work.

Accessories like the recommended generator pan and auto drain are sold separately, which adds to the overall cost. This steam generator kit is a great choice for someone wanting a reliable, stylish, and powerful unit with flexible installation options, but keep in mind the need for proper installation and possible extra purchases.

Rating
7.6
Steam Output
Control Options
Installation Requirements

Most important from
51 reviews

Steam Output
Delivers superior steam output that rivals commercial health club units, making the steam experience truly revitalizing.
Control Options
The control system is straightforward and user-friendly, providing simple operation without unnecessary complexity.
Installation Requirements
Installation results in a quiet and efficient steam shower that enhances relaxation and wellness at home.
Maintenance and Durability
Offers excellent value with a powerful performance and a robust warranty, ensuring long-term peace of mind.

Buying Guide for the Best Steam Shower Generator

Choosing the right steam shower generator can greatly enhance your shower experience, providing relaxation and health benefits. To make an informed decision, it's important to understand the key specifications and how they align with your needs. Here are the main factors to consider when selecting a steam shower generator.
Power Rating (kW)The power rating of a steam shower generator, measured in kilowatts (kW), indicates how much steam the unit can produce. This is crucial because it determines how quickly and effectively the generator can fill your shower with steam. Generally, smaller showers (up to 100 cubic feet) require generators with lower power ratings (around 3-5 kW), while larger showers (100-250 cubic feet) need more powerful units (6-9 kW). For very large showers (over 250 cubic feet), you might need a generator with a power rating of 10 kW or more. To choose the right power rating, measure the volume of your shower space and consider how quickly you want the steam to be generated.
Control OptionsControl options refer to how you can operate and adjust the settings of your steam shower generator. This is important for convenience and ease of use. Basic models may come with simple on/off switches, while more advanced units offer digital controls with programmable settings, timers, and even smartphone connectivity. If you prefer a straightforward experience, a basic control system might suffice. However, if you enjoy customizing your steam sessions and want more control over temperature and duration, look for models with advanced digital controls.
Steam OutputSteam output is the amount of steam the generator can produce, usually measured in pounds per hour. This specification is important because it affects the density and consistency of the steam in your shower. Lower steam output (around 1-2 pounds per hour) is suitable for smaller showers and lighter steam sessions, while higher output (3-5 pounds per hour) is better for larger showers and more intense steam experiences. Consider how much steam you prefer and the size of your shower when evaluating this spec.
Water UsageWater usage indicates how much water the steam generator consumes to produce steam. This is important for both environmental and cost considerations. More efficient models use less water, which can be beneficial if you are conscious about water conservation. Typically, steam generators use between 1-2 gallons of water per hour. If you are looking to minimize water usage, opt for a model that is designed to be more efficient.
Installation RequirementsInstallation requirements refer to the space, electrical, and plumbing needs for setting up the steam shower generator. This is crucial because it affects where and how you can install the unit. Some generators are compact and can fit in tight spaces, while others require more room. Additionally, check the electrical requirements (voltage and amperage) to ensure compatibility with your home’s electrical system. If you have limited space or specific installation constraints, look for a generator that is designed to be flexible and easy to install.
Maintenance and DurabilityMaintenance and durability are important factors that determine how long your steam shower generator will last and how much upkeep it will require. Look for models with self-cleaning features or easy access for manual cleaning to reduce maintenance efforts. Durable materials like stainless steel can enhance the longevity of the unit. If you prefer a low-maintenance option, choose a generator with features that simplify upkeep and are built to last.
Noise LevelNoise level refers to how much sound the steam generator produces during operation. This is important for ensuring a relaxing and peaceful steam shower experience. Quieter models are generally preferred, especially if your shower is close to living areas or bedrooms. Noise levels can vary, so if a quiet operation is important to you, look for generators that are specifically designed to minimize noise.

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