Top 10 Best Composting Toilets In 2024 – Expert Reviews and Guide

Composting toilets are an eco-friendly and efficient solution for those who want to reduce their carbon footprint and keep their homes sustainable. These toilets use natural processes to break down waste and turn it into compost that can be used as fertilizer. However, with so many composting toilets available on the market, choosing the best one that meets your needs and budget can be challenging. In this article, we have compiled a list of the top 10 best composting toilets along with a buying guide to help you make an informed decision. So, let’s take a look at the best composting toilets available in the market.

Editor’s Pick

Last update on 2024-03-21 at 10:06 / Affiliate links / Images from Amazon Product Advertising API

Everything you Need to Know About Composting Toilets

Composting toilets are a type of eco-friendly toilet that breaks down human waste into nutrient-rich compost. They work by separating solid waste from liquids, and then using natural processes like aerobic decomposition to break down the solids. Some composting toilets use electricity to facilitate the decomposition process, while others rely solely on natural processes.

Composting toilets offer a number of benefits over traditional flush toilets. They require no water, which makes them an ideal choice for areas with low water availability or where water is expensive. They are also ideal for off-grid living situations, like cabins or homes without access to plumbing. Additionally, composting toilets help reduce waste and the need for wastewater treatment while also providing a useful compost product that can be used in gardens and fields.

Best Composting Toilets Compared

Nature's Head Self Contained Composting Toilet with Close Quarters...
  • No one - and I mean no one - will beat my customer service and individual support
  • Easy to install by any reasonably handy person.
  • Absolutely No Odor. No Maintenance. 5 Year Warranty.
  • Huge Capacity. 2 people using full time will empty every 4-6 weeks. Easy empty in 5 minutes.
  • A vast improvement over older composting toilet designs. This one works!
SaleRANK 2
OGO™ Compost Toilet | Best Nature's Compost Toilet | RV, Tiny...
  • Push of a Button Electric Mixing
  • Smallest Footprint on Market 15" Deep x 16" Wide
  • USA Made with attention to Quality
  • Urine Level Sensor
  • 2.4 gallon urine bottle and 25-30 use solids bin
TRELINO Composting Toilet Evo S White | Portable Toilet for Camping &...
  • JUST LIKE AT HOME: With our Trelino toilet, you can be flexible on the go without sacrificing comfort. It's perfect for small spaces like in...
  • ODORLESS: The separation and drying function effectively prevents the formation of odors. By avoiding chemicals and water, you are also...
  • HYGIENIC: The urine container has a capacity of 1.2 gallons, and the solid waste container has a capacity of 1.6 gallons. This provides...
  • STURDY & DURABLE: Our toilet not only features a clean design but is also robust, stable, and capable of supporting up to 330 lbs. It is...
  • Made in Germany: As a company, we want to take responsibility. That's why we exclusively produce our products in high-uqality production...
Separett Villa 9215 AC/DC 12V Urine Diverting High Capacity Waterless...
  • Waterless and odorless toilet for on and off grid
  • High quality, made in Sweden, 5 year warranty
  • Typical installation parts included
  • Support, parts and accessories available in US
Nature's Head® Self Contained Composting Toilet with Foot-Spider...
  • Item Category: Toilet Seat
  • Item Trademark: Nature's Head
  • manufacturer: Nature's Head Inc.
  • Item shape: Foot-Spider
BOXIO Toilet Plus - Composting Toilet Starter Kit, Portable Toilet,...
  • High capacity: The dry separation toilet can handle a full 8-10 toilets before quick and easy disposal becomes necessary. Carefree disposal...
  • Mobile: The small compact mini camping toilet with the dimensions L x W x H: 15.75" x 11.81" x 11.0" fits in any bus, boat, car trunk or...
  • Hygienic: The composting toilet has a 1.3 gallons separation container with lid and a leak-proof urine canister. Combined with HEMPLITTER...
  • Environmentally friendly: The solid with bag into the trash can and the liquid simply pour into the manhole. You are independent of disposal...
Cuddy Lite Portable Composting Toilet For Camping by CompoCloset ❘...
  • [ Maximize Your Tiny Space ] The essential, eco-friendly waterless composting toilet for small spaces from Compo Closet. Packed with...
  • [ Extra Large Trap Door ] Cuddy features the largest retractable cover for the solids bin on the market. Helping keep unpleasant sights and...
  • [ Odor Busting ] Cuddy Lite has been specifically designed to minimize smells in your tiny space. With an odor-busting carbon filter,...
  • [ Easy to Clean And Empty ] The easily removable solids bin is a breeze to empty, with innovative handles on the bottom of the bin to keep...
  • [ Cutting Edge Innovation ] Cuddy Lite offers a ton of innovation in a compact package! Enjoy the convenience of a smart LED liquids bottle,...
Poo Pod Waterless Composting Toilet
  • The Real Poo Pod Waterless Composting Toilet
  • Real Sized Toilet for Real Sized People
  • Comes with everything necessary to get started
  • Easier to setup and use than other Composting Toilets
  • Cold Weather or Mobile Application Urine Diverter Available
Compo Closet Cuddy Portable Composting Toilet | Waterless Toilet For...
  • [ FULLY LOADED GAME CHANGER ] Cuddy embodies all the features of the market-leading toilets and more in the most compact design possible....
  • [ THE URINE DIVERTING MODESTY COVER ] With the effective separation of solid and liquid waste, Compo Closet makes a clean, compact, and...
  • [ ODOR CONTROL CUDDY ] Cuddy toilet has an integrated fan and carbon filter as standard for short trips. For longer trips, Cuddy can be...
  • [ HANDLES ON TOP AND BOTTOM ] We put handles on the top and bottom of the solids bin for easier emptying. This small change makes a big...
  • [ PERFECT FOR VAN LIFE ] We understand the challenges of life on the road and created Cuddy as an innovative solution for you.
Free Range Designs Urine Separator | Complete Urine Diverter for...
  • ✔️ ODOUR FREE TOILET COMPOSTING - Urine Separation is the single most important factor in any compost toilet. Keeping the urine from...
  • ✔️ EFFICIENT URINE SEPARATION - The outcome of extensive research our Complete Urine Diverter separates urine from solids, catching the...
  • ✔️ EASY TO FIT - Simply screw underneath the hole beneath the toilet seat. It forms a continous ring around the toilet hole, which is...
  • ✔️ EASY TO CLEAN - The Glossy surface is easy to clean of solids and the metal filter can be removed for cleaning.
  • ✔️ 10 YEAR GUARANTEE - Made from Tough ABS Plastic, with a metal filter - this is a very robust diverter that you can rely on, even in...

Last update on 2024-03-21 at 10:06 / Affiliate links / Images from Amazon Product Advertising API

You may also like: Can You Flush Chewing Tobacco Down the Toilet? The Truth You Need to Know

Why is it Important to Consider Buying Composting Toilets?

Composting Toilets are becoming increasingly popular among eco-conscious individuals and off-grid residents alike. Here are some key reasons why they may be a smart choice for your home or lifestyle.


Composting toilets are environmentally friendly and a perfect alternative to conventional flush toilets. Unlike flush toilets, composting toilets are designed to break down human waste into organic compost using natural processes. This process ensures that the nutrients in the compost are returned to the soil, which promotes plant growth.

Moreover, composting toilets do not require a connection to a septic system or sewage treatment plant, which can save a lot of water. They only use a small amount of water to keep the composting process going, making them ideal for areas with limited water supply. This means that composting toilets are not only eco-friendly, but they also save on water bills and reduce the amount of water used in households and public facilities. Overall, composting toilets are an excellent choice for anyone who wants to minimize their environmental impact and promote sustainable living.


Composting toilets can be a cost-effective solution for those looking to save money in the long run. They require no water, sewer or septic systems, which can significantly reduce installation and maintenance costs. In addition, they can save money on water bills by not requiring flushing, and they can be used for composting, which means less money spent on traditional fertilizers and soil enhancers. Composting toilets also have a longer lifespan than traditional toilets due to their lesser mechanical and hardware requirements, reducing upkeep and replacement costs. With the many cost-saving benefits of composting toilets, they are a great sustainable investment for the future.


Composting toilets are an environmentally sustainable option for wastewater management. They separate human waste from the water supply and instead treat it as a resource for creating nutrient-rich compost. This process saves both water and energy compared to traditional flush toilets and wastewater treatment systems.

Additionally, composting toilets eliminate the need for a sewage system, reducing the environmental impact of constructing and maintaining these systems. The use of composting toilets can also help alleviate pressure on municipal wastewater treatment plants, reducing their energy consumption and subsequent greenhouse gas emissions. Overall, composting toilets are a sustainable solution for managing human waste and promoting a more sustainable lifestyle.

Related post: Top 14 Best Basement Toilet System – Reviews and Comparison

Buyer’s Guides

When looking for the best composting toilets, it’s important to understand the key factors that determine their functionality, performance, and environmental impact. Here are some essential things to keep in mind before making your final decision.

Size of the toilet

Considering the size of the toilet is important before buying composting toilets because it will help determine the amount of waste it can hold and how frequently it needs to be emptied. If you have a small household or a low usage, a smaller composting toilet may be the best option for you. This will not only save space but also help to reduce the amount of water and electricity being used. On the other hand, a larger composting toilet is ideal for larger households or ones with heavy usage as it can hold more waste and require less frequent emptying.

Another reason to consider the size of the toilet is to ensure that it fits comfortably in your bathroom. You don’t want to end up with a toilet that is too large to fit in the bathroom or one that is too small to accommodate your needs. Ultimately, the size of the toilet will determine how comfortable and convenient it is to use and maintain, making it an important factor to consider when purchasing a composting toilet.

Type of composting system

Choosing the right composting system is important to ensure that the composting toilet works effectively. There are different types of composting systems available, each with its own advantages and disadvantages. The type of composting system depends on the space available for the composting toilet, the intended use of the toilet, and the frequency of use.

A poorly designed or inadequate composting system can lead to unpleasant odors, inefficient composting, and potential health hazards. It is important to consider the type of composting system before purchasing a composting toilet to ensure that it suits your specific needs and requirements and provides a safe and efficient way of disposing of organic waste.

Capacity of the toilet

Composting toilets are becoming increasingly popular due to their benefits for the environment and cost savings. However, before purchasing a composting toilet, it is important to consider the capacity of the toilet. The capacity of the toilet determines how much waste it can hold before it needs to be emptied, which can range from weeks to several months.

It is important to choose a composting toilet with enough capacity to meet your needs to avoid frequent emptying, which can be time-consuming and unpleasant. Additionally, choosing a composting toilet with a larger capacity ensures that the composting process can occur properly, allowing for full decomposition of waste before disposal. Therefore, considering the capacity of the toilet can lead to a better overall experience with a composting toilet.

Ventilation requirements

Ventilation is an essential aspect of composting toilets as they require adequate airflow to function correctly. Without proper ventilation, the compost pile can become too wet and cause unpleasant odors to develop in the bathroom, making it an uncomfortable experience for users. In addition, increased humidity levels can promote the growth of harmful microorganisms and insects, which may pose health risks to users.

The type and size of ventilation system required for a composting toilet will depend on various factors, such as the number of users, the location of the installation, and the climate. It is therefore crucial to consider these aspects before purchasing a composting toilet. Ultimately, proper ventilation will provide a more comfortable and hygienic experience for users and promote optimal composting conditions.

Ease of maintenance

Ease of maintenance is an important factor to consider when buying a composting toilet because it determines the level of effort and resources required to keep the system functioning optimally. A composting toilet that is difficult to maintain can lead to problems such as odor, insect infestation, and improper decomposition of waste. As such, ease of maintenance should be a top consideration during the purchasing process to ensure the user can consistently perform necessary tasks such as emptying, cleaning, and adding material to the composting chamber.

A composting toilet that is easy to maintain typically requires less time and effort, resulting in a more positive user experience. Additionally, easy maintenance can lead to cost savings in the long run, as the system will be less likely to develop problems that require costly repairs or replacement. Ultimately, considering ease of maintenance can help ensure that the composting toilet performs well, is convenient to use, and results in a healthier and more sustainable way of handling human waste.

Price and warranty

Price and warranty are important considerations when purchasing composting toilets because they can significantly impact the long-term cost and reliability of the product. A composting toilet that is priced lower but has a short warranty may cost more in the long run if it requires costly repairs or replacement. On the other hand, a higher-priced composting toilet with a longer warranty may have a higher upfront cost but can save money in the long run by providing better performance and fewer maintenance issues.

The warranty is also an important indicator of the manufacturer’s confidence in their product. A longer warranty typically means that the manufacturer is confident in the performance and reliability of their product, while a short warranty may suggest that the manufacturer is not as confident in the product’s durability. Additionally, a comprehensive warranty may cover not just the product itself but also parts and labor, providing more peace of mind for the buyer.

Read also: How Much Does a Toilet Weigh? The Surprising Answer


What is a composting toilet?

A composting toilet is a type of toilet that uses little or no water, and that converts human wastes into compost. Composting toilets have been around for many years and are becoming increasingly popular in areas where water is scarce, or where there is no access to a sewer system. The wastes that are produced in a composting toilet are broken down by a combination of bacteria, fungi, and other microorganisms, and the resulting compost can be used as fertilizer for plants.

Composting toilets come in a variety of types and designs, ranging from simple self-contained units to more complex systems that require separate composting chambers. Some composting toilets are designed to be used in homes or other permanent structures, while others are portable and can be used in outdoor settings. Composting toilets are a sustainable alternative to traditional flush toilets, as they reduce water usage and eliminate the need for chemicals and sewage treatment facilities.

How does a composting toilet work?

A composting toilet system is designed to break down organic waste into usable compost via natural processes. Composting toilets use a combination of natural aeration and bacteria to decompose human waste. This decomposition process is facilitated by adding carbon-rich material, such as sawdust or coconut coir, to keep the compost from becoming too moist. The end result is safe, nutrient-rich compost that can be used to fertilize plants without risk of contamination. Composting toilets are particularly useful in areas with limited access to water or for those who want to minimize their environmental impact.

Can I use regular toilet paper in a composting toilet?

Yes, you can use regular toilet paper in a composting toilet. However, it is important to choose toilet paper that is biodegradable and does not contain bleach or other chemicals that can harm the composting process. Recycled and unbleached toilet paper is a good option for composting toilets.

It is also important to not use excessive amounts of toilet paper in a composting toilet, as it can lead to an imbalance in the carbon-to-nitrogen ratio and slow down the decomposition process. It is recommended to only use a moderate amount of toilet paper per use and to break it up into small pieces before adding it to the composting bin.

Do composting toilets require electricity or plumbing?

Composting toilets generally do not require electricity or plumbing. Instead, they use a biological process to break down human waste into usable compost. Some models may require a small amount of electricity for ventilation or heating, but overall they are a low-tech and environmentally friendly option for waste management.

Explore Further: Top 8 Best Toilet Bidet System In 2024 – Reviews & Buying Guide

The Bottom Line

Composting toilets are becoming increasingly popular among homeowners who are seeking sustainable and eco-friendly solutions for their bathroom needs. In this article, we have reviewed the top 10 best composting toilets based on their features, durability, and customer reviews.

After thorough research and analysis, we can confidently recommend these products as the best composting toilets available on the market. We hope this buying guide will help you in finding the best composting toilet that fits your needs and preferences. Happy composting!

19 Reviews

Leave a Comment