Best Composting Toilet Reviews & Buying Guide in 2020

Want to get over the traditional flush toilets?

Well, let’s take a moment and thank the technology that we have around us. Today, you can go for the best composting toilet, a better, more nature-friendly and smarter alternative of flush toilets. And they are called, the composting toilets.

Buying a quality composting toilet for your needs is no easy. It requires you to sample some of the best brands that you could find depending on either your budget, their prices, or your needs and then coming down to the most suitable one.

Here are some of the good Composting Toilet reviews that we chose to help you get an ideal compost toilet for your needs.

Table of Contents

Top 5 Composting Toilet – Comparison



Composting Feature


Vent hose and fan

27.2 pounds

5' vent hose, bottle cap

28 pounds


100 pounds

2-level Indicators

11.6 pounds

Sealed Valve

10 pounds

Best Composting Toilets That You Can Buy

Our reviews have solely depended on user verdicts, trials, and other user reviews too. We have sampled the best sellers and also the newest options in the market depending on what we found out when we tried them.

​1. Nature’s Head Dry Composting Toilet

The Nature's Head Dry model is arguably one of the best picks for a Composing Toilet for people of all age groups. From kids to seniors, it has very many ideal features to die for.

Best composting toilet

Innovative Design

It has the most innovative design and offers one of the very best values for its users. The toilet has the most reliable solution for personal sanitation requirements and has a hand crank agitator in its toilet. It lets you have fast composting than any other product that you could buy.

Easy to Install

Typically, a self-contained toilet is easy to install that boasts of the very best urine diverting features and the most reliable water-less operations. It also allows for easing of use within the majority of its applications.

Super Lightweight

The Nature’s Head Composting Toilet is generally a lightweight toilet. It is also very odorless and super compact. This makes it a perfect fit for any home, cabin, and tiny houses.

Compatible / Durable for Every Space

Many people have also used the toilet in RV setups, workshops, boats, and many other areas. The toilet has stainless steel hardware that comes with robust construction. It is designed to withstand the harshest survival conditions. The best part of the toilet is its durability.

Super Dimensions

Above all, the product’s dimension is ideal as it measures just about 19.8 x 20.8 x 20.5 inches and sits pretty in many toilet spaces that we have today. Its design contains a bonus of 5' vent hose, bottle cap, and 12v power plug among others.

​2. Nature's Head Self Contained Composting Toilet

Like we have seen above, the Nature's Head Close Quarters Spider Handle Design Self Contained Composting Toilet is good for all. It has super features that any user can enjoy. Some of the best features head the following.

Durability and Stain Free

This toilet is made up of all-stainless steel hardware. The hardware is also durable and can easily withstand the toughest conditions of use. These allow many users to enjoy super services and superior value for their money.

Cool and High Comfort

The toilet comes with an elongated seat. Because of its full size and highly elongated seat, people who use this design and style can enjoy super comfort. What they get is often slightly more than what you will find in the above design too.

Easy Installation Method

This toilet has two sides to it that makes it ideal for your use. Generally, it is a toilet that has easy installation option. It is easy to disassemble as well. This is quite helpful for emptying purpose and also for quick installation on demand.

Super Dope User Design

In fact, the toilet has a cool design that allows you to easily enjoy the beauty of use. It has a vent hose and a fan that let you have minimized odors in the toilet. This makes it very ideal even for a somewhat enclosed set up or outdoor design

Odorless Environment

The fan uses a low volume air circulation that provides the added benefit of recycling the air and which helps to make your whole environment fresh.

Highly Portable Design

It boasts the latest design and is the most reliable choice for a portable, self-contained, and urine-separating dry toilets. The toilet can, therefore, be used anywhere you want and more specifically anywhere that plumbing or electricity is not available. The toilet measures 22 x 20.5 x 21.7 inches.

​3. Sun Mar Excel Self Contained Composting Toilet

Unlike the first two toilets that we have listed, the Sun-Mar Excel Self Contained Composting Toilet is rather a pricey design. Even so, the toilet has superior features that you’d easily want to die for. Some of its best features include the following.

Higher Pricing

The toilet is somewhat pricey. However, the people who have installed the toilet admit that it is worth every dollar. It is therefore important that you have it in your home.

High Capacity Unit

The toilet’s capacity is really awesome and can be used almost anywhere including residences, cabins and in light commercial buildings without the worry of spilling over. It can accommodate a high number of poo-poo sessions.

Complements Bathroom

Because of its simple design and low profile unit, the toilet easily complements any bathroom that you choose to bring it into. It easily falls into the design and will make it really easy for you to use too.

Uses No Water

If you are looking for a good choice of compost toilet that will easily bring down the water bills for your home, the Sun-Mar Excel Self Contained Composting Toilet should be your first choice. The toilet requires no water at all.

100% Non-Polluting

It is also an ideal toilet with a super design that controls odors and ensures that you have a very effective toilet for your use. With an odorless design, the toilet is environment-friendly and keeps the bathroom fresh.

Ideal Dimensions

The toilet also comes in some cool Dimensions of L x W x H (33 x 22 1/2 x 33) in inches. It also has a bio-drum design for processing compost that odorlessly converts human waste into safe fertilizing soil.

​4. Sanitation Equipment Visa Potty Model

The Sanitation Equipment Visa Potty Model is one of the cheapest composing toilets. Anyone can afford it. It has enough features to go through any set up including a set up with no flushing toilets or water.

Simply Odorless

The Sanitation Equipment Visa Potty Model is designed such that it doesn't pollute the air around you. The toilet is easy to handle and is usually odor free. It is easy to work with and use even in populated areas.

Very Durable

With a great stainless design, your Sanitation Equipment Visa Potty Model will easily stand against the toughest stains. You can easily clean it and keep it around heavy use. On average, 6 to 8 people can easily use it.

Easy to Install

The most important thing about a compost toilet is the ability to install fast when needed and disassemble easily when not in use. This toilet has a lower release that allows you to empty and disassemble.

Very Affordable

The Sanitation Equipment Visa Potty Model goes for a good bargain in most shops. The price is even lower in online shops. You can easily find it and order for it from an online shop and enjoy free delivery too.

Ease of Use

Because of its simple designs, the Sanitation Equipment Visa Potty Model is loved by many. It can easily be maintained to last long. It also has ideal dimensions of about 22 x 20.5 x 21.7 inches.

​5. Thetford 92360 Porta Potti 550E Curve Portable Toilet

The Thetford 92360 PortaPotti 550E Curve Portable Toilet is a simple, cost friendly portable toilet. It has many noticeable advantages. Here are the most notable features that this toilet has.

High Versatility

The Thetford 92360 PortaPotti 550E Curve Portable Toilet is a top-of-the-line portable toilet that can be used easily for RVs, boats, trucks, vans, and even in healthcare, medical, and camping setups.

Good Tank Capacity

This cool off-the-grid lifestyle toilet has a 4 gallons fresh water tank capacity to match up the 5.5 gallons waste water capacity. This makes it super ideal for a medium sized household. About 8 people can use it comfortably.

Sleek Design

This composting toilet has a sleek, modern, and ultra-homelike design that makes it stand above the rest. It is quite affordable and comes with a good warranty from the manufacturers.

Super Comfort

With a super curved design seat, the Thetford 92360 PortaPotti 550E Curve Portable Toilet has a comfortable seating height. It has an increased bowl size and a simple to use battery-powered flush.

Easy to Use And Clean

This toilet also boasts of a cool ergonomic carrying handle. It has an integrated toilet paper holder, and above all, a tank level indicator. The toilet is leakproof. It also comes with a sealed valve and a rotating pour-out spout for easy emptying of human waste and water.

Super Dimensions

The toilet measures about 18 x 18 x 16 inches and weighs only 10 pounds. This makes it super ideal for general use and even for movement around for people who love hiking, camping, and picnics.

​6. Camco 41541 Portable Toilet

The Camco 41541 Portable Toilet is cool. It is usually designed for camping, RVing, boating, and many other recreational activities of your choice too.

High Style Durability

It is made out of sturdy polyethylene construction that is pretty durable and highly compact. It is compact in construction and pretty lightweight in design. In fact, the Camco 41541 Portable Toilet only weighs 11.5 lb when empty.

High Weigh Support

It can support up to 330 lb. and comes with a Drop-In sample. The toilet comes with a 5.3- gallon holding tank that is detachable. It arrives with a seal and ideal measurement of 16.38H x 13.75W x 16.13D inches.

Odorless Sealing

The toilet has a sealing slide valve that locks in any odor and which also protects against any form of leakage. This is made better by the side latch that secures the tank to the toilet for easy flushing and usage.

Super Comfort

The Camco 41541 Portable Toilet is comfortable and has a wide seating space. It measures 15.5" H x 14" W x 16" and enjoys a total seating space width of 13 inches with seat dimensions of the inside at 8.5"W x 9" D.

Ease of Use

The toilet is best for people who are on a budget. It comes with biodegradable add-ons that will allow you to break down waste easily. On the top, it has a cap that can be removed to fill the flush tank.

Ease of Disposal

On the bottom is a sliding gate valve that opens for waste. It also closes to leave your toilet with a water-tight seal and an odorless design.

​7. Thetford 92853 Porta Potti 550P Portable Toilet

The Thetford 92853 Porta Potti 550P Portable Toilet contains a design to reckon with too. It has so many great features that you can easily find it to be quite useful for your toileting needs. Here are some of them;

High Versatility

The toilet design suits for very many uses. Ideally, you can use the best Thetford 92853 PortaPotti 550P Portable Toilet for RVs, in trucks, and with vans. You can also use it for healthcare facilities, camping, boating, hiking, and on an off-the-grid lifestyle.

Cool Designs

Well, this toilet is not only versatile but also comes with a cool design. Having a good design, the toilet is usually durable, compact, and above all that, very easy to use. It also comes with an awesome ergonomic carrying handle.

Health Aware

In terms of great sanitation, the Thetford 92853 PortaPotti 550P Portable Toilet is a top notch toilet. It comes with a sealed valve. The valve prevents odors from escaping the holding tank and leaving people with a foul smell.

High Convenience

The toilet comes with a removable seat. The seat also has a cover that allows a user to clean it easily and also enjoy the use of its exclusive, rotating pour-out spout. Above all that, it is easy to use and also highly portable. It measures 16.5" x 15" x 16.5" inches and has a 4.2-gallon fresh-water tank and a 5.5-gallon waste water tank.

​8. Sun-Mar Excel Non-Electric Self-Contained Composting Toilet

The Sun-Mar Excel Non-Electric Self-Contained Composting Toilet has been hailed as a lasting brand by many of its users. It is quite valuable and will leave you with awesome user experience. The best part of the Sun-Mar Excel Non-Electric Self-Contained Compost Toilet includes the following.

Sun-Mar Excel Non-Electric Self-Contained Composting Toilet

Non-electric model

This means it is automated in such a way that you don’t have to have any form of electricity to use the toilet. This makes it cool for areas with no electricity.

Easy to Make Use of

With a user manual, you will be able to quickly make good use of your toilet. You will be able to design the toilet in such a way that you can easily follow through the manual and still make good use of it.

Easy to Install

Additionally, the toilet is easy to assemble for use as well as disassemble whenever you need. You can easily mount it and use it even on a boating trip, hiking, mountaineering, RVs, and healthcare facilities.

Uses no water

What makes the Sun-Mar Excel Non-Electric Self-Contained Composting Toilet the best choice for your use is the fact that it uses no water. It helps to cut water bill costs, and it can be easily used where there is no water.

100% non-polluting

The toilet includes variable diameter bio-drum. It also has a tight lock area that prevents any form of odor. It incorporates a recessed handle which allows for the processing of compost.

Ideal Size

Finally, the toilet is very portable and will easily let you to use. The size is cool and measures approximately 36 x 36 x 28 inches.

Top 9 Considerations When Buying a New Composting Toilet

Buying the right compost toilet is not easy. With many brands flooding the market today, it is very important that you decide wisely to make the very best choices.

Here are the top tips that would help.


Unlike the price, the budget determines your ability to afford the product at that very moment. Generally, you don't want to spend more, and that is why you are creating a budget.

A budget allows you to spend within the range that you want to and also to shop within your current capacity always.

Ease of Use

Well, this may depend on your technical ability too. If you understand how to use a toilet, it will be really easy to use. Even so, a toilet that doesn't need you to learn so much is good.

Using the user manual, you should be able to see your toilet in good use, maintenance, and above all that, in good condition.


The health of your loved ones is very important. Looking for a toilet with functionalities that is not only good for the environment but also your loved ones is a plus.

You should look for a toilet that is odorless, not messy, and one that is easy to empty and clean. This way, your loved ones are actually safer

Cost of Care

Caring for a compost toilet is never easy. Indeed it is very important that you can spend as little as you can in the care. Look for a toilet that is very durable. One that is made of stainless materials, high-end product materials, and such options; but above all one that has a clear user manual to use.


A toilet may look durable. However, accidents happen. When they do, you could easily run at a loss especially if you just bought the toilet and had not used it. You may find the emptying pipe broken, the lid to tight to close, and so on. Guarantees such as after-sale care and warranties are very vital.

Water Use

Many people use a composting toilet to trim down on how much water they want to use. This is because most of these toilets are dry toilets (they can be easily used in areas where there is no or less water). For those that flush, you should consider the amount of water that they will use always.

Toilet Size

Apart from what we have seen, the size of your toilet is very important. This will determine if they can easily carry it around for camping, picnic, hiking, and boating. Additionally, it determines if the toilet is the perfect fit for your needs including weight and if it can sit pretty in your shower room.

The Brand

Most of the people love to go with brands. Generally, specific brands are known for specific things. Others are known in style, design, quality, durability, affordability, and so forth. You should always make the best choice depending on what a brand is known for. Look for your best needs and choose a brand.

Final Words

It is very important to remain extremely patient when you are looking for the best composting toilet that can meet your needs. You should start shopping early as well.

Look through the reviews, and come up with the right toilet for your needs!

Joe Carrow

Product reviewer & passionate blogger. Beside writing for this blog, I spend my time crafting research based contents for HuffingtonPost, Lifehacker & Forbes!

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