Best Composting Toilets 2020: Reviews & Buyer’s Guide

1. Nature’s Head2. Camco3. Pota Potti
Nature's Head Best Composting ToiletCamco Portable Travel ToiletPorta Potti Thetford Corp

If you are used to going away for long camping trips or get on your RV, what you would need with you is a safe and hygiene solution for your nature calls.

While there are many types of toilets, the answer to that this a composting toilet. Today, people are using these toilets not just while they are on the move, but they also think about doing their bit for the environment and save water.

Composting toilet is fast rising in popularity, and this is evident from the increasing number of models and sales in the market.

They are easy to set up and use and promotes environmental protection as they preserve our resources better by using less water and power.

So, how do you find the best composting toilet that is perfect for your needs?


Well, to know that, you will first have to understand how composting toilets work and what toilet types and features to look for when buying one.

Let us begin by having a look at some of the most popular composting toilets in the market.

Top 10 Best Composting Toilets 2020

1 . Nature’s Head Self Contained Composting Toilet

Nature's Head Best Composting Toilet

Nature’s Head Composting Toilet is the most reliable choice for those looking for a portable, self-contained toilet that offers the best value.

They have designed the toilet to be more user-friendly, that can be used anywhere.

You can set it up anywhere, vacation cabins, barns, on RVs or campers. The low volume air circulation fan ensures that there is no buildup of any foul odors and thus makes the whole environment smell better.

This is one composting toilet that you can rely on for higher efficiency and is a vast improvement over other designs.

The toilet is very simple and easy to install and boasts of a huge capacity that will need emptying every 4-6 weeks.

Backed by great customer service and individual support, they support the product by a 5-year warranty.


  • Portable, self-contained toilet
  • More user friendly
  • Can be set up anywhere
  • Zero odors
  • Great customer service
  • 5-year warranty


  • Bowl is far too small

2. Camco Portable Travel Toilet

Camco Portable Travel Toilet

If you are looking for the best composting toilet for a tiny house, your search will end with the Camco model, which is designed for use during any outdoor or recreational activity, and Rving and boating.

With a detachable 5.3-gallon holding tank and a 2.5-gallon flush tank, the portable toilet boasts of a sturdy polyethylene construction.

The compact and lightweight toilet includes a sealing slide valve that offers complete protection against leakage and odors.

The toilet is very easy to handle and use because of the carrying handles on the side and an easy to use the flush.

The side latches secure the tank to the toilet that comes with biodegradable toilet chemicals.

Camco operates a friendly, knowledgeable customer service that assists the customers with questions.

Customers are pleased with the product as it is easy to set up and use and does not smell.


  • Compact and lightweight toilet
  • Easy to use toilet with no odors
  • Complete protection against leakage
  • Convenient, sanitary, odorless
  • Biodegradable toilet chemical included
  • Side Latch secure the tank to the toilet
  • Excellent customer care


  • Water sprayer is somewhat weak

3. Porta Potti Thetford Corp

Porta Potti Thetford Corp

The Porta Potti is a sleek and modern toilet that offers a homelike feel. The unique design features a larger toilet bowl size and greater height that makes it comfortable.

It is very easy to use and boasts a battery-powered flush. With an improved water tank capacity, the toilet features an integrated holder that keeps the toilet paper affixed to the curve.

It comes with an integrated toilet paper holder and a tank level indicator. What holds the portable toilet to the floor is the hold-down kit.

The ergonomic design enhances the functionality of the award-winning, portable toilet that is well suited for trucks, vans, healthcare, boats, and camping.

The cleanup is simple and straightforward, and the toilet offers one a home-like experience.


  • Sleek and modern toilet
  • Unique design
  • Very easy to use and clean
  • Odorless and Leak proof
  • It has a carrying handle
  • Battery-powered flush
  • Improved water tank capacity


  • A little awkward for a taller person

4. Reliance Products Portable Toilet

Reliance Products Portable Toilet

If you are looking for the best composting toilet for your outdoor adventures and camping trips, then your search ends with this model.

All you need to do is set up this Luggable Loo wherever you want and use it when nature calls.

The toilet is compatible with a standard double doodle bag and is just perfect for your fishing or hunting trip.

The metal handle and Snap-On lid ensure complete protection and easy transport when you’re on the move.

The economically priced portable toilet carries a 5-gallon capacity, and what makes it popular is the simple bucket style design.

The company stands by the quality of the products and offers a 5-year guarantee for any defects in materials and/or workmanship.


  • Luggable Loo
  • Easy transport
  • Economically priced
  • 5-gallon capacity
  • 5-year guarantee
  • Low cost


  • Round base can be unstable on uneven ground

5. Stansport Portable Camp Toilet

STANSPORT Portable Camp Toilet

Stansport’s portable toilet ensures the comforts of home for your outdoor trips.

With a heavy-duty plastic construction, the on-the-go loo ensures that you have a private restroom even when outdoors.

The sturdy plastic walls of the toilet keep the waste out of sight. The portable camp toilet features a comfortable, full-size seat, and the built-in handles make it easier to hold and carry the toilet. Enjoy the full comforts of home while camping.

The portable toilet bucket includes a disposable sanitary bag, and one can buy more bags separately.

This convenient product features make this durable toilet easy to use and transport.

Now you can surely make your outdoor excursions much more comfortable with this camping toilet.


  • Easy to use and comfortable toilet
  • Heavy-duty plastic construction
  • Full-size seat
  • Built-in handles
  • Disposable sanitary bag included


  • Small waste bucket

6. Nature’s Head Dry Composting Toilet

Nature's Head Dry Composting Toilet

Another best composting toilet for off grid is offered by the brand, Nature’s Head.

With the most innovative design, this is the most reliable solution you will find for your sanitation requirements when outdoors.

Invest in the best value toilet that is self-contained and is easy to use. It allows urine diverting and the waterless operation and is lightweight, odorless, and compact.

The composting toilet is just the perfect fit for your tiny house, workshop, RV, or for any outdoor excursion.

Carrying a robust construction and stainless-steel hardware, the toilet can withstand harsh weather.

The user-friendly toilet features a molded design and is easy to install. Moreover, what ensures a fast composting is the hand crank agitator in the base.

Manufactured in the United States, you can expect top-quality products and exceptional customer service.


  • Innovative design
  • Robust construction
  • Easy to use
  • Lightweight, odorless and compact
  • Faster composting
  • Exceptional customer service


  • Is a bit pricey

7. Nature’s Head Composting Toilet

Nature's Head Self Contained Composting Toilet

The portable and self-contained unit from Nature’s Head brand is the most reliable choice for a portable toilet.

You can separate the dry toilets on the water, land, or on the road. Thus, what you get here is a more user-friendly version as compared to other portable toilets and can be used anywhere.

Go ahead and use this toilet confidently on RVs or in vacation cabins or camps and even in cabins, workshops, and barns.

The low volume air circulation fan inside the toilet keeps it free of foul odors and thus creates a better experience and free of foul odor.

The rugged design and sturdy construction make the product reliable, no matter what the environmental condition.

With no maintenance and a 5-year warranty, you can enjoy peace of mind as a customer.


  • Portable and self-contained unit
  • Rugged design and study construction
  • Low volume air circulation
  • Free of foul odor
  • 5-year warranty
  • Great customer service and individual support


  • The design could be better

8. Separett Villa 9215

Villa 9215

Separett brand offers Villa 9215 AC/D, which is fast gaining reputation as the best composting toilet for tiny house.

Replacing the earlier Villa models, this is the most advanced and trouble-free composting toilet you will come across.

Operating on either AC or DC power, the Villa 9215 features a single speed fan.

The toilet includes all the parts required for direct vent and drains application and is waterless and urine-diverting.

The product includes ten compostable bags, a waste container and a child seat as an accessory.

An average family can use the toilet for three weeks before removing the compostable liner bag.

The brand offers a five-year guarantee against manufacturing defects, and the toilet carries Intertec ETL certification.

Shipping is fast, and the customer care is professional and readily available.


  • Advanced and trouble-free toilet
  • Direct vent and drain application
  • Waterless and urine diverting
  • Clean & comfortable
  • Intertec ETL certification
  • Five-year guarantee


  • It could be a little cheaper

9. Sun-Mar Excel-Ne Composting Toilet

Sun-Mar Model# Excel-NE Composting Toilet

The Sun-Mar Excel model is a self-contained composting toilet that can convert human waste into fertilizing soil, quickly, safely, and easily.

The non-electric unit has been designed for medium to high capacity use and is ideal for applications off the grid. The low-profile unit uses no water and can complement any bathroom.

The non-polluting product includes adjustable diameter bio-drum with a handle for processing compost.

If you are looking for a self-contained unit that really does what it says, then this is the model you have been looking for.

You will have no issues with the simple to use and easy to set up composting toilets.


  • 100% non-polluting product
  • Non-Electric model
  • Easy to use and odorless
  • High capacity use
  • Uses no water


  • Drain is too small

10. Sustainable Village Sun-Mar

SUN-MAR GTG Composting Toilet By Sustainable Village

SUN-MAR GTG model is one of the best options for outdoor use in cottages, boats, RVs, mines, camping, or other off-grid applications.

This is one of the best composting toilets out there, and for good reasons.

The compact and portable unit makes it easy to carry and use when out for camping or Rving.

The unit is very simple to install, and the task gets over within minutes. A built-in fan gets rid of any unfavorable odors and catalyzes the composting process.

The portable potty carries separate chambers for solid and liquid, and the dual chamber design ensures easy and direct removal.

Another key feature of the GTG is its user-friendly design that offers the user access to the material that is composting under the seat.

Even if the size of the toilet is compact, it doesn’t compromise on practicality and functionality. Waste management is like a breeze with this toilet.


  • Compact and portable unit
  • Simple to install
  • Built-in fan to remove odors
  • Easy disposal and waste management
  • Extremely well built.


  • No “trap door”, so pee

Factors To Look For When Buying Best Composting Toilet

Buying a composting toilet may seem like a simple task, but things are not so easy as they seem.

Making the wrong choices would mean dealing with smelly, overflowing, and dysfunctional toilets.

And, nobody would want to deal with all that mess. So, pay close attention to some important points when looking for the best composting toilet.

1. Quality And Durability

The quality of a product translates to its durability hence; focus on the quality of the composting toilet.

Look at the kind of material used and the quality of the manufacturing of the product.

It is very important to purchase a sturdy and durable toilet that will be able to stand harsh weather and damage.

2. The Size And Capacity

The size and capacity of the composting toilet will tell you how long you can use the product without frequent emptying.

Well, a lot relies on how many people will use the toilet and for how many days. The more the number of users, the larger should be the capacity.

However, for those who want the composting toilet just for the weekend or for a short trip or a hike, a small size would be appropriate.

Look for a comfortable size that works for kids and adults, and 14 x 14 x 14 inches toilet is good enough.

The size and shape of the composting unit would rely on your needs and toilet space.

3. The Design And Space

The kind of design and the space you will need would depend on individual preferences.

It is up to you to choose a design that will best serve your needs and based on the space available. Make sure you have enough space for the model you pick.

When you look for the best composting toilet, you will find that they come in many designs, shapes, and sizes.

Pick the model that meets your needs the best, and there are plenty of high-end models with a nicer design.

4. Portability And Ease Of Use

Another important factor to keep in mind when buying the best composting toilet, is the ease of use and the portability aspect.

Toilets that are heavier would be cumbersome to carry and not so easy to use.

Look for compact and lightweight products that are easy to carry. You will come across composting toilets that can weigh as low as 28lbs.

Look for a lightweight toilet with a sturdy base and handle for convenient mobility. Keep in mind that the toilet can get heavy with each use.

5. The Source Of Power

Powering is another factor, and one needs to check as to what kind of energy is used by the composting toilet to convert human waste into usable humus.

There are some battery-powered toilets that will not need electricity. You will come across both electric and non-electric and can buy based on your needs and preferences.

If the toilet needs power and water to run, you need to consider how far the toilet would be from the source of power and water.

6. The Rate Of Decomposition

You would want a composting toilet, which breaks down the waste fast. Typically, the electric types are more efficient in breaking down the waste.

The composting toilet with a separator for liquid and solid waste can run for a longer time, but it slows decomposition.

You can use materials like peat or sawdust that helps with the decomposition of the waste.

7. Water Or A Waterless Toilet

For the environmentally conscious customers, it is a good idea to go for a waterless toilet that can help conserves natural resources.

These waterless composting toilets can help you save up to 20 gallons of water per day.

Instead of flushing, one has to turn the handle to mix the toilet waste and initiate the composting process.

8. What About The Smell

The composting toilets carry their own fan, vent, and hose to keep out any unpleasant smells.

The hose is used to pump the composted waste into a public sewer and can do so when powered by a 12 volts battery or RV motor.

The toilet that uses sawdust and natural peat for composting, the smell is bearable as it is earthy and very similar to the smell of wood areas after rains.

Just ensure that a lid cover the toilet and has a seal to keep all the smells in.

The snap mechanism should be strong enough to avoid any spills and smells even when you move the toilet.

Just keep the above points in mind when shopping for a composting toilet and you definitely stand a better chance of buying the best composting toilet in the market.

FAQs on Composting Toilets

Q1. What Is A Dry Composting Toilet?

Those interested in a dry composting toilet will need composting materials like peat or sawdust.

Ensure that the best composting toilet you are interested in has the composting materials easily available in your neighborhood. Invest in an odor-control system or use a trap to keep the smell away.

Q2. What Is the Difference Between Electric And Non-Electric Composting Toilets?

Electric composting models use a power ventilation system to aid the composting and improve the aerobic bacterial breakdown of waste.

The non-electric composting toilets are devoid of any power mixing. Some composting toilets use electricity to warm the seat and aid the composting process.

Q3. What Are The Regulations And Standards For Composting Toilets?

The U.S. standard for composting toilets is NSF Standard 41 (National Sanitation Foundation).

In Canada, the CSA also certifies composting toilets to meet National Sanitation Standard. Ensure that the composting toilets you are interested in meeting those standards.

Q4. What Are The Leading Brands That Sell Composting Toilets?

Some of the most popular brands among customers for composting toilets include names like Nature’s Head, Camco, Porta Potti, Reliance, STANSPORT, Separett, Sun, and more.

You can browse different models with these brands and enjoy great services as well as quality products.

Q5. Which Toilet Has The Most Capacity?

Several brands are offering different compositing toilets with varied sizes.

However, SUN-MAR GTG Composting toilet has an unlimited capacity that fits multiple installations, which is good to use.