Best Composting Toilet For Tiny House

If you have a garden, you can understand the benefits of using manure on your plants. However, composting requires a lot of time and effort to prepare on its own, and it is expensive to buy it separately.

However, there is an effective way to get this manure while saving money, effort, and time. All you have to do is get the best composting toilet and start making composting. These fantastic toilets are also perfect for cabins, cottages, fields, rural homes, and even boats and RVs. They are straightforward to assemble and use. Also, since they do not use water, they are environmentally friendly.

We have chosen the best composting toilet for tiny houses for you for 2023, so if you are interested in investing in one of these original products, read on to learn all about these useful utilities.

The Advantages of Using A Best Composting Toilet For Tiny House

There are many reasons why people use the composting toilet, such as;

  • Reduction of water consumption: a large quantity of water is reduced since the water does not need to be used in a composting toilet.
  • Separate domestic sewer: composting toilets are ideal for situations where septic tanks cannot be built or are very expensive, such as in remote locations and rural areas.
  • Flexible location: composting toilets are used in RVs, small boats, and great cabins.
  • It has low energy consumption.
  • It is environmentally friendly since composting and landfilling human waste can be used as fertilizer.

Types of Composting Toilets

There are two types of composting toilets:

Independent Composting Toilets

Independent composting toilets are those installed directly in the toilet. They come in a whole piece. And they can be divided into two types: electric and non-electric.

Independent electrical units are generally equipped with integrated ventilation, which is used to release residual odors. In general, electrical units have larger garbage tanks than their non-electrical counterparts. They need more space to increase the movement of air and the action of bacteria.

Independent composting toilets do not require water or pipes to operate. They do not require to be connected to sewer pipes, and they are easier to use in winter and more comfortable to clean.

Independent composting toilets usually have an additional layer of protective cover.

  • They are cheap
  • There is no need for plumbing
  • They work very well in winter
  • They are straightforward to clean.
  • They have an elegant and shiny finish.

Central Composting Toilets

Central composting toilets are generally divided into two parts. It has a completely traditional chair, with the possibility of washing with water. But this toilet is connected to a relatively more ecological washing system. These types of toilets are also available in two types:

Central Composting Toilets With Water

These toilets usually have a washing liquid that makes them look like conventional toilets. But they are also attached to a composting unit. Often, there is a tube under the toilet that carries waste from the toilet to the composting unit.

Centralized Composting Systems Without Water

There is another type of central composting toilet and another without water. Waterless composting toilets also constitute a conventional toilet seat attached to a waste disposal system.

Waste is drawn from the toilet through a tube into a composting system. This type of centralized composting system toilet almost always maintains the airflow in the toilet. The airflow helps move waste through the tube.

And this airflow also helps to move unpleasant odors. These toilets are particularly useful in areas where there is a water shortage. These toilets are also valuable for RVs, boats, and mobile homes, as they do not require a constant supply of water.

How It Works

Composting toilets depends on the natural process of decomposition and evaporation of waste during the recycling of human waste. Waste in toilets represents more than 90% of water.

When it evaporates, it is returned to the atmosphere by a ventilation system. The remaining solid material is transformed into fertilizer by natural decomposition.

Installation Process

Composting toilets are not challenging to install, even for maintenance personnel. Most composting toilets available on the market can be installed by connecting two-floor supports.

Thus, an exhaust fan or a radiator is connected to a source of electricity. Most toilets also have a tube to expel odors, which requires drilling a hole to direct the tube outward.

Buying Guide of Best Composting Toilet for Tiny House

Do you need a composting toilet to use at home or a toilet that you can use while traveling?

If you do not have a water supply at the place of use, you must obtain a model that does not require water to operate.

There are many other considerations to take into account when purchasing the best composting toilet.

Type Of Composting Toilet

To start with, you need to determine the type of composting toilet that will be perfect for the projected use.

The different composting toilets accessible today can be grouped into 5 main categories, depending on their mode of operation.

When choosing the right toilet, here are the top 5 types of composting toilets to consider:

Without Water/dry Toilets

There are composting toilets that don’t need water to operate. Dry composting toilets that have a drainage system also use an insignificant amount of water.

These products are odorless. As such, they are considered ideal for interior applications, such as the interior of the home.

Self-Compositing Toilets

A compact and more portable design characterizes it. Regarding the design, the automatic decomposition toilets have a composting system just under the toilet bowl.

This product is best suited for hiking or camping. Self-compositing toilets are mainly designed for mobile use.

Electric Composting Toilets

With these toilets, the composting system has devices that need electricity to operate.

For example, most models have an electric fan to circulate the air continuously in the composting unit. Some electric composting toilets call for a link to an electrical outlet.

Other models work with batteries. Composting toilets are known to be extremely efficient and quicker in breaking down human waste. However, these toilets are relatively expensive to buy.

If you are not connected to the mains and do not have a generator to power the toilets, consider buying a battery. Alternatively, you can opt for the non-electric models described below.

Non-Electric Composting Toilets

Compared to composting toilets, models without composting are relatively cheaper. In their operation, these products use an alternative energy source, such as a wind turbine.

For the composting process to go smoothly, most non-electric toilets must mix the waste manually with a built-in crank.

These products are also quite slower and less efficient in composting human waste than electric models, although they are a great option if you really want to go green.

Central / Remote Composting Toilet

Instead of covering the composting unit under the ship, these toilets transport the waste in a composting bin, usually separate from the toilets.

Remote composting toilets are a great option if you want to use more toilets in one place.

In this case, several central composting toilets can be connected to a composer.

Composting Toilet Capacity

How much waste can your composer contain? It will depend on the toilet purchased.

The correct capacity of composting toilets mainly depends on the desired application. Toilets designed to be used anywhere, for example, don’t have to be large in size.

Although they are lighter and more portable, smaller toilets need to be emptied more often, so as not to make them difficult to transport.

Consider the number of people who will use the toilet and the frequency. This way, you will know if you want to buy a larger model.

Zoning Conditions

There are no national or federal laws governing the suitability and usage of composting toilets.

However, different zoning requirements are imposed at the state, municipal, and municipal levels. These requirements differ from zone to zone.

Before purchasing a composting toilet, make sure it meets the zoning requirements for your area.

Contact your city for information on building laws that may affect the use of composting toilets.

Bulking Material

To maintain the composting progression, some toilets need the addition of filling material.

In this case, the loading equipment must be purchased separately. This will undoubtedly increase the cost of composting in the long run.

The filling material is essential for the decomposition of waste and the free circulation of air.

Some models of composting toilets do not require the use of filling material. The use of fillers in a toilet like this can lead to its deterioration.

The Toilet Locking Mechanism And The Toilet Trap

No matter the location you intend to use the toilet, hygiene, and odor is a concern. To maintain the best hygiene and avoid bad odors, you need to get the best toilet trap.

Different toilets have different mechanisms to block the composting bin or the drain hose from the bottom of the sink.

If you don’t want to use the locking mechanism, choose models that use an automatic locking mechanism.

Other models have a manual valve that must be operated manually. Check that the locking mechanism of your favorite toilet is durable, effective, and undamaged.

Frequently Asked Questions(FAQs)

What Are The Composting Toilets?

These are the types of toilets that use little or no water to remove waste. In contrast, waste is usually mixed with sawdust or moss and is broken down into fertilizer by the aerobic process.

These toilets are mainly located in places with little or no water and without connection to the drainage system. Also, they are beneficial alternatives for use on boats, RVs, and land.

How Do These Toilets Work?

A: The theory behind these toilets is quite simple. Residual material decomposes as garden material in its composer. The main difference is the composite material. For this to work, three things have to happen: the water has to evaporate, the smell has to dissipate, and the environment has to be adapted to the process.

Why Should I Buy Composting Toilets?

The advantages of composting toilets are: water saving, saving money, being very efficient, adding value to the house, and respect for the environment. So get the perfect composting toilet for your home.

Does The Composting Toilet Smell?

There is no smell in a toilet with a waterless composting toilet. They produce less odor than a regular toilet because they eliminate the odor through ventilation.

Can I Install A Composting Toilet Alone?

Yes. With the necessary capacity of maintenance staff, you can easily install this toilet. However, some states require a licensed professional to do this for you.

How Is A Toilet With Composting Different From Other Toilets?

These toilets are different from the others because they do not use water to remove waste. They are inexpensive and environmentally friendly.

Is A Composting Toilet Perfect For Me?

It will depend on whether the area where you want to install this toilet allows it. But it is a fantastic toilet that offers many advantages.


What is the best composting toilet for tiny houses on the market? The best-composting toilet should save energy and water. Save liters of water and make your fertilizer at home. If you want an effective decomposition toilet, you can choose one of the models we have reviewed above.

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