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8 Best Composting Toilets in Australia 

Waterless composting toilets in Australia are an easy to maintain, and a modern way to flush your toilet while saving water. 

Waterless composting toilets are designed to provide rich and odourless nutrients to use in a garden. Since over 30,000 litres of water is wasted through average toilets in Australia every year, using a composting toilet is a great way to avoid wasting water (low flow shower heads are another great way).

The Short Answer :

Green Loo

  • Designed for tiny homes
  • Manufactured using recycled materials
  • Australian manufactured, owned, and made
  • Does not much under the floor space

By using the Green Loo, you are helping the world by saving water and using your waste for compost. This composting toilet is completely Australian manufactured, owned, and made, and does not require much under the floor space. 

If at all, your Green Loo will only need a minimum of 450mm underfloor clearance. The Green Loo is an excellent toilet alternative for tiny homes and small domestic homes. Even though the Green Loo was designed with tiny homes in mind, models like the CF14 can be used for larger domestic or commercial requirements. 

This toilet is also made using recycled materials, making it an overall win for the environment. The Green Loo provides a great example of where old meets new. It combines the best of modern day technology and connects it with old wisdom from mother nature. 

Other Great Composting Toilets in Australia 

Composting toilets are becoming more popular across Australia, especially in tiny houses and off the grid homes. Composting toilets help you reduce your carbon footprint on the environment by minimising water use and making better use of your waste. 

If you are worried about how clean a self composting toilet in Australia is, you do not need to worry. As long as the composting toilet is properly maintained, the composting process will kill off harmful pathogens that are found in human waste.

1. Nature Loo 

  • Does not produce an odour
  • Low maintenance
  • Designed by Australians for Australian conditions
  • Excellent customer service

Nature Loo was started as a small Australian family business in 1994. Nature Loo is elegant, simple, easy to install, and low cost. Nature Loo offers excellent customer service and will provide you with assistance in choosing the right composting toilet for your home or business. 

One of their most popular composting toilets, the Nature Loo NL2, will on average collect about two to four weeks of material at a time, depending on its use. The NL2 is designed to serve about two people during the two to four-week span. 

Their compost toilets are simplistic and aesthetically pleasing, making their products perfect for off-the-grid users and those living in tiny homes. Nature Loo composting toilets are easy to install, low maintenance, 100 percent waterless, and compact. Nature Loo is located in Queensland and distributed throughout Australia and New Zealand.

2. Eco Flo

  • Designed to handle every climate and building constraint
  • Simple to install
  • Premium toilet pedestal options
  • Odour-free

The Eco Flo composting toilets are great for all. Whether you live in a tiny home, mobile home, or off the grid, Eco Flo composting toilets will be a good fit. They are easy to install and are low maintenance. Eco Flo is located in Brisbane, Queensland, and creates a wide range of waterless toilets and greywater systems. 

Eco Fo is Australian-designed, manufactured, and owned. However, they recently began extending into Canada and US markets. Eco Flo composting toilets do not have an odour as long as they are properly maintained. An off-the-gridder even stated that since having their composting toilet from Eco Flo, their water bill has been at its lowest

3. Nature’s Head

  • Easy installation
  • Completely self-contained and portable
  • Disassembles in seconds for emptying
  • Includes a five-year warranty

Nature’s Head Self-Contained Composting Toilet is taking the market in Australia by storm. Their composting toilets are one of the best waterless toilets you can find. Nature’s Head composting toilet systems have a five-year warranty to ensure you get what you pay for. Most of their toilets are suitable for up to 80 uses between cycles. 

To make their toilets simple to install, they include mounting brackets, a vent hose and flange, a cable plug, a plug for a 12v connection, a spray bottle of compost cleaner stimulant, and a coir peat brick. Their systems come with everything but an external vent. 

All Nature Head’s hardware is stainless, and their toilet seats are not generic to ensure it does not break or crack. Their composting toilets are great to use in tiny homes, off-the-grid homes, caravans, motor homes, boats, sheds, and workshops where plumbing and underground access might not be accessible.

4. Water Wally 

  • Offers a wide range of products
  • Easy to install
  • Provides a full installation service 
  • Odour-free

Water Wally proves to be sustainable and cost-effective. They sell a wide range of products, from small and self-contained units to large-scale commercial setups. Water Wally’s composting toilets are designed by an Australian team of qualified environmental engineers, builders, plumbers, and architects who want to provide the best composting toilets possible. 

Located in Western Australia, their waterless composting toilets do not smell due to their well-structured design. Water Wally composting toilets offer a hygienic way to recycle human waste without wasting water. 

All Water Wally composting toilets are designed to ensure that all levels of moisture, oxygen, temperature, nitrogen, and carbon are ideal for achieving the best composting chambers. Once your waste goes into one of Water Wally’s composting toilets, it becomes rich compost containing nutrients to help your garden grow. 

5. Clivus Multrum

  • Waterless and chemical free
  • Australian designed, manufactured and owned
  • Reliable
  • No polluting discharge

Located in Virginia, Queensland, Clivus Multrum has been designing and manufacturing waterless composting toilets for more than 40 years and distributes them across Australia. Clivus Multrum provides economically friendly composting toilets that are waterless, cost-effective, chemical free, and have no polluting discharge. 

The Clivus Multrum CM2 with Chamber Screen (CM2 CS) is a standard composting toilet used in tiny homes. The CM2 CS is an excellent toilet for a full-time two-person household. It is easy to install and comes with a chamber screen. 

This toilet produces rich compost that smells like healthy garden soil. It comes with three 32-litre containers and will typically collect up to four weeks’ worth of waste depending on how often it is used. 

6. Sun-Mar 

  • Suitable for domestic and small commercial use
  • Mains or solar powered
  • Waterless or micro flush system
  • Affordable

Located in Virginia, Queensland, Sun-Mar can distribute its composting toilets across Australia. Sun-Mar composting toilets are simple, yet elegant. Their self-contained systems, like the Sun-Mar GTG Urine Diverting Toilet, are well suited for tiny homes, concrete slabs, sheds, off-the-grid homes, boats, and caravans. 

Sun-Mar’s split systems, like the Sun-Mar Centrex 3000, are suitable for bathrooms with room underneath the floor to install the toilet. These toilets come with either waterless or micro-flush pedestals. Whichever one of Sun-Mar’s toilets you choose, you will likely find them affordable. 

You can separately purchase a solar kit for your composting toilet if you want to reduce your carbon footprint. Solar kits for your toilet are great for those who live off the grid. They help run the exhaust fan, which assists with the evaporation process of liquids. The odours will be directed through the exhaust pipe, so you won’t need to worry about the smell.

7. Ecolet 

  • Easy to maintain
  • Electrical and solar accessories
  • Completely waterless

Ecolet manufactures and delivers its composting toilets to customers all across Australia. Their toilets are environmentally conscious and are easy to maintain. Ecolet supplies a wide variety of composting toilets, seats and pedestals, consumables, and accessories. 

You can purchase the composting toilets, accessories, consumables, and pedestals and seats online or in their showroom in Virginia, Queensland. One of their most common composting toilets, the Ecolet 65e, can be used by up to 8 part-time and four full-time users.

Some benefits of Ecolet’s composting toilets are that there is no smell, it saves water, it protects groundwater, and it recycles nutrients from your waste.  

8. EnviroPro 

  • Uses 100 percent environmentally friendly products
  • Compact
  • Easy to install
  • Electrical units can evaporate all liquids under normal conditions.

EnviroPro has built up a reputation for having effective products at some of the most affordable composting toilet prices in Australia. EnviroPro composting toilets are perfect to use on houses on slabs, elevated homes, tiny homes, sheds, mobile homes, and commercial toilet blocks. 

One of their most popular composting toilets, the OGO Composting Toilet, makes composting in a tiny home simple. The urine bottle in this toilet can hold over 9 litres of liquid, and the waste container has a capacity of up to 30 usages. In 2013, EnviroPro was given the right to distribute Nature’s Head Mobile composting toilets throughout Australia.

This composting toilet is small, sleek, and easy to install. EnviroPro will help you reduce your carbon footprint since it uses only 100 percent environmentally friendly products.

Most Important Factors to Look for in Your Composting Toilet 

When choosing an excellent composting toilet, it is essential to know what kind of toilet will best fit your location and what the tank capacity is.

You should know whether you need a self-contained composting toilet or a split system. Both composting toilets work great, but they have different requirements and work differently. 

Choosing a Composting System

It can be challenging to choose a composting toilet if you are unsure which kind you need. Split systems are split into two sections called the pedestal and the tank. The pedestal is above the floor, and the tank is below the floor. 

Split systems are a good fit for national parks, outhouses, homes, sports clubs, and clubhouses because they have a larger capacity and can be installed in an area where multiple people need to use the loo. 

A self-contained composting toilet is an all-in-one system where the pedestal and container are all built into one system. Self-contained systems best fit tiny homes, RVs, caravans, motorhomes, boats, and single-level homes built on concrete. Self-contained systems are suitable for those who are limited in space, including those who live off the grid. 

How Much Space Do You Have? 

Before selecting a composting toilet, you will need to know how much space you have. Before purchasing a toilet, you must see if you have space under the floor. If you use a self-contained composting toilet system, you will not need to worry about space under your floor. 

If you go with a split system, you will only need to worry about under the floor space. Since split systems need the pedestal above the floor and the tank below the floor, you must ensure you have enough underfloor space before choosing a split system. 

Self-contained systems are best for small spaces, like tiny homes or motorhomes, because they sit on top of your floor and do not take up much space.

Tank Capacity 

Your composting toilet’s tank capacity is necessary to remember before choosing which toilet to go with. 

The tank capacity of your toilet depends on which toilet you select and whether or not it is a split or self-contained system. Most composting toilets will specify how many users it can handle and how often it should be emptied.

It also depends on how many people will be using the toilet. Typically, a family of two can go about three weeks without emptying the tank. However, a family of four should empty it more frequently. 

A split system used more than 10 times will need to be emptied every couple of months. To be sure you are emptying the toilet when necessary, check the manual for your toilet, as it states the capacity and how much it can hold.

Utility Usage 

Some composting toilets run on RV batteries, some are powered by solar panels, and some need water lines. Composting toilets has many pros, like using minimal to no water, and they lower your environmental impact. However, some composting toilets can be hooked up to run on your RV’s battery, which is not as sustainable in the long run. 

Some composting toilets will need to be hooked up to water lines for minimal water use, which can also be unsustainable if you live off the grid. Most composting toilets can run on solar power, best suited for you and the environment. 

Many off-the-grid Australians often use rainwater harvesting as an additional way to lower their utility usage. Rainwater harvesting and composting toilets will significantly reduce your utility usage. 

Solar-powered composting toilets are the best fit for waste-conscious homesteaders and those trying to eliminate utility usage. 

Odour Removal

Most composting toilets are designed not to produce odours, but that doesn’t mean they won’t occasionally smell bad. If you maintain your composting toilet correctly, it should not smell. If you notice a smell, you can do a few things to get rid of the stench. Be sure your compost pile has the right amount of moisture. 

It should be moist rather than wet. You can also keep the toilet’s lid down to prevent smells from entering, so bugs do not make their way into the toilet. When you empty the compost pile, use a natural cleaner to clean the toilet properly. 

Another reason your composting toilet might smell could be due to improperly installed venting. If installed incorrectly, the fan might blow the smelly air back into your home rather than outside.


Is there a composting toilet that you don’t have to empty?

No, all composting toilets need to be emptied eventually. A self-contained system consists of a small toilet with a detachable tank and liquid drain to remove human waste. 

A split system connects to a series of pipes where the composting occurs. The hopper churns the waste and fills the tank with rubbish that still needs emptying.

What are the disadvantages of a composting toilet? 

Composting toilets do not always save space, they might be challenging to use, they require more maintenance than standard toilets, some do not contain odour as well as others, and you might need a special permit to install them.

Are composting toilets high maintenance? 

If your composting toilet is installed correctly and maintained, it should not be high maintenance. Composting toilets only become high maintenance when they are let go for too long and not properly maintained. 

It does require more maintenance than an average toilet, but only because you need to empty the compost every so often.

Bottom Line 

These eight toilets are the best picks for composting toilets in Australia. Even though composting toilets require more maintenance than the average toilet, the extra effort is worth it. 

Composting toilets significantly reduce water usage and allows you to recycle the grey water waste to provide nutrients to plants. In addition, composting toilets also help save energy, especially when using solar-powered toilets. 

Once you have installed your composting toilet, there is a minimal cost. Whether you choose a self-contained or split system, you are positively impacting your environment by using a composting toilet.