Maximizing Space with Tankless Toilets: Efficient Bathroom Solutions

March 25, 2024
Maximizing Space with Tankless Toilets

Written by: Deane Biermeier / Facts Checked by; Ryan Cullenward / Products Tested by Licensed Interior Designers

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Tankless toilets offer an innovative solution when it comes to maximizing space in your bathroom. These compact bathroom fixtures save valuable space and provide efficiency and modern design. In this blog post, we will explore the benefits of tankless toilets, how to choose the right one, installation tips, and maintenance guidelines.

Benefits of Tankless Toilets 

1. Efficient Use of Space in Small Bathrooms

Tankless toilets are designed to save space. With a bulky water tank, they take up more floor space, making them ideal for small bathrooms, powder rooms, or even under-stair toilets.

2. Water-Saving Features and Eco-Friendliness

Tankless toilets use a pressurized flush or gravity-fed system to flush waste efficiently with minimal water usage. It helps reduce your water bills and contributes to environmental conservation.

3. Easy Installation and Maintenance

Installing a tankless toilet is relatively straightforward, especially if you already have a rough-in for a traditional toilet. These toilets often come with comprehensive installation instructions, and many models require no special tools or skills. Additionally, maintenance is hassle-free, with fewer parts to clean and replace.

4. Modern and Sleek Designs

Tankless toilets offer a contemporary and minimalist aesthetic that can enhance the overall look of your bathroom. With various designs, including wall-mounted options, you can customize your bathroom to suit your style and maximize space.

Choosing the Right Tankless Toilet 

When selecting a tankless toilet, consider the following factors:

1. Bathroom Size and Layout

Assess the dimensions and layout of your bathroom to determine the suitable toilet size and shape. Take measurements carefully to ensure a proper fit.

2. Flushing Mechanism Options

Tankless toilets offer two main flushing mechanisms: pressure-assisted and gravity-fed. Pressure-assisted toilets use compressed air to propel water forcefully for a powerful flush, while gravity-fed toilets rely on the weight of the water to clear waste. Choose the mechanism that suits your preferences and needs.

3. ADA Compliance and Accessibility Features

If you require an accessible bathroom or have specific mobility needs, look for tankless toilets that comply with ADA (Americans with Disabilities Act) guidelines. These toilets are designed with higher seat heights, grab bars, and wider bowls to ensure comfort and accessibility.

4. Additional Features

Some tankless toilets offer extra features like bidet functionality or dual flush options. Consider if these features align with your requirements and preferences.

Installing a Tankless Toilet 

1. Step-By-Step Guide for Removing an Old Toilet

  • Turn off the water supply and drain the tank. 
  • Disconnect the water supply line and remove the tank.
  • Loosen and remove the nuts securing the toilet to the floor.
  • Lift the toilet bowl carefully and remove the wax ring from the flange. 

2. Preparing the Bathroom Floor for Installation

  • Clean the area around the flange thoroughly. 
  • Check the flange for any damage or unevenness and make necessary repairs.
  • Install a new wax ring onto the flange to create a watertight seal. 

3. Installing the Tankless Toilet

  • Carefully position the toilet bowl over the wax ring and align it with the flange. 
  • Apply even pressure to compress the wax ring and create a secure seal.
  • Insert and tighten the bolts through the mounting holes at the base of the toilet bowl.
  • Attach the toilet seat according to the manufacturer's instructions. 

4. Connecting Water Supply and Checking for Leaks

  • Reconnect the water supply line to the toilet. 
  • Turn on the water supply and check for any leaks around the connections.
  • Flush the toilet several times to ensure proper functionality and leak-free operation. 

Maintenance and Troubleshooting 

To keep your tankless toilet in optimal condition:

1. Regular Cleaning and Upkeep

Clean the toilet bowl and exterior surfaces regularly using non-abrasive cleaners. Avoid using severe chemicals that may damage the toilet's components. Check the manufacturer's recommendations for specific cleaning instructions.

2. Common Problems and Troubleshooting Tips

If you encounter issues like a weak flush, clogs, or running water, refer to the toilet's user manual for troubleshooting. In many cases, these problems can be resolved by checking the water supply, adjusting the flush mechanism, or clearing minor blockages.

3. When to Seek Professional Help

If you encounter complex plumbing issues, persistent leaks, or are unsure about handling repairs, it's best to seek assistance from a professional plumber. They have the expertise to diagnose and fix any underlying problems effectively.

Design Tips for Small Bathrooms with Tankless Toilets

In today's world, where urban living often means compromising on space, small bathrooms have become a common feature in many homes. However, having a compact bathroom doesn't mean you have to sacrifice style or functionality. With the rising popularity of tankless toilets, which offer space-saving benefits compared to traditional toilets with tanks, there are plenty of design opportunities to maximize the potential of your small bathroom. In this blog, we'll explore some innovative design tips to help you make the most of your limited bathroom space while incorporating a tankless toilet.

1. Compact Fixtures for Efficiency

When designing a small bathroom, every inch counts. Opt for compact fixtures such as small sinks, narrow vanities, and space-saving shower enclosures. Wall-mounted options are particularly advantageous as they create a sense of openness by freeing up valuable floor space. By choosing sleek and streamlined fixtures, you can maximize functionality without overwhelming the space.

2. Strategic Placement of Tankless Toilets

Tankless toilets offer a significant space-saving advantage compared to their traditional counterparts. Take full advantage of this by strategically placing the tankless toilet in a corner. This not only utilizes corner space effectively but also creates a visually uncluttered look, making the bathroom appear larger than it actually is. Additionally, consider installing the toilet at an angle to further optimize space.

3. Clever Storage Solutions

In a small bathroom, storage can be a challenge. Incorporating built-in shelves or storage niches above or beside the toilet can provide much-needed storage space for toiletries, towels, and other essentials. This eliminates the need for additional storage furniture that would otherwise take up precious floor space. Vertical storage solutions such as tall cabinets or shelving units can also maximize storage capacity without encroaching on the limited floor area.


Maximizing space in your bathroom is crucial, especially in smaller or compact areas. Tankless toilets offer an excellent solution by efficiently using space, water-saving features, and stylish designs. By choosing a suitable tankless toilet, following proper installation techniques, and maintaining it regularly, you can enjoy a functional and space-efficient bathroom for years. Upgrade your bathroom with a tankless toilet and experience the benefits of a streamlined and eco-friendly solution.

Disclosure: receives an affiliate commission on some, but not all, of the products we recommend—but only if you decide to click through to the retailer's site and make a purchase.

Deane Biermeier - A senior contractor and an experienced freelance writer - expert for reviews

Deane is an amazing freelancer with wide range of skills. He has good ideas and a prominent passion of writing. He is currently working on many websites including Sanitary Supply.

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