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Best Composting Toilet 2018

Composting toilets are an environmentally friendly and economical choice when it comes to installing a toilet without a sewer nor septic tank.

There are even waterless designed composting toilets that are effective and efficient.

Last updated on July 2, 2018 5:57 am

How Do Composting Toilets Work?

Composting toilets are a natural way to process and decompose human waste. If we take a look at human waste it is 90% water which is very easily evaporate and released to the atmosphere. The solid component left can be re-used for fertilizing soil.

If you imagine a home compost for food scraps then this is almost the same concept as a composting toilet.

With the optimal balance in the composting chamber the perfect environment can be created for bacteria to convert waste into fertilized soil that can be re-used.

With a composting toilet the processing chamber can be designed to effectively break down human waste.

When properly done the fertilized soil will contain no pathogens or viruses as the bacteria has effectively broken these down.

In a nut shell there are 3 key elements that a composting toilet must successfully achieve:

  • Break down the waste and toilet paper with no odor
  • Promote sufficient bacteria to break down the solid waste
  • Evaporate the liquid component of the waste.

Now that we have an understanding of how they work let’s take a detailed look at the best composting toilets!

Best Composting Toilets

1. Nature’s Head Self Contained Composting Toilet with Close Quarters Spider Handle Design

Nature's Head Self Contained Composting Toilet with Close Quarters Spider Handle Design

8 new from $827.51
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as of July 2, 2018 5:57 am


  • Proudly made in the USA
  • All stainless hardware
  • Full size elongated seat for comfort
  • Disassembles in seconds for emptying
  • Vent hose and fan included

Natures Head Self Contained Composting Toilet is reliable, portable, self contained, water free toilet. This toilet was originally designed for long time sailors and to withstand the marine environment.

As this composting toilet is plumping and electricity free you can use it anywhere you need a toilet.

Not only limited to your home but also suited for RVs, vacation cabins, workshops, trucks and boats – the possibilities are endless.

Made from stainless steel hardware the Natures Head Self Contained Composting Toilet is sturdy and user friendly.

This is a waterless, urine diverting toilet that is lightweight and odorless.

There is a low volume air circulation fan that is inbuilt which also works to recycle the air in your bathroom.

Measuring in at 22 x 20.5 x 21.7 inches this toilet is small and will fit into any small space.

This model features a spider crank handle which allows you to turn the waste and compost material as needed.

It is recommended to start your composting section with hydrated peat moss.

The manufacturer states it will last for 90 uses before you need to replace it although many customers have attested to it lasting up to 6months before requiring an empty.

Although this will depend on the amount of people using it. The top of the toilet or the area where the seat is completely removes for ease of dumping the fertilized soil.

Simply attach the vent hose and any odor will be eliminated from your bathroom. This along with the fan works extremely well. The fan requires a 12V power supply to power it.

The Natures Head Self Contained Composting Toilet also comes with a 5 year warranty. It is a very simple design that is easy to use, clean and service.

2. Villa 9200 AC

Villa 9200 AC

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as of July 2, 2018 5:57 am


Number Of Items1
Package Quantity1
Part Number1117-02
Product GroupBISS
Product Type NameLAB_SUPPLY
TitleVilla 9200 AC

The Villa 9200 AC composting toilet is a waterless, urine diverting toilet that makes it ideal for tiny homes, boats, RVs and much more.

This composting toilet is as close in appearance to a traditional or standard toilet.

The Villa 9200 requires full time non inverted power so are intended for use on the grid.

If you are off grid or plan to run your home from solar power and an inverter then it is recommended to try the Villa 9210.

Included with the Villa 9200 are the required plugs for use with either DC/battery power – or with standard AC power.

The Villa 9200 comes with two waste containers both with lids as well as everything needed to get started.

The AC unit features a two speed fan for ventilation purposes as well as a 3 inch vent pipe.

Urine is captured and diverted to a plumbed grey water system or holding tank. Any solid waste and paper are contained within a compostable liner bag.

The fan works to air out the solid waste which accelerates the drying process and removes any odor.

The compostable liner is said to last up to 3 weeks for an average family.

After which you can remove it from the holding area and place it into your composter or incinerate it. The Villa 9200 AC also comes with a 5 year warranty.

3. Nature’s Head Dry Composting Toilet with Standard Crank Handle

Nature's Head Dry Composting Toilet with Standard Crank Handle

11 new from $829.23
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as of July 2, 2018 5:57 am


  • Hand crank agitator in base for fast composting
  • User friendly
  • Easy installation
  • Features a molded design
  • Includes 5' vent hose, bottle cap, 12v power plug

Nature’s Head Dry Composting Toilet with Standard Crank Handle is similar yet different to the initial composting toilet reviewed. 

This composting toilet is a urine diverting and waterless toilet that can be used anywhere.

It is lightweight, compact and odorless making it a great choice for many applications including tiny homes, RVs, boats and workshops.

Made from stainless steel hardware this composting toilet has been designed.

The key difference between this model and the first is the handle.

This model comes with a hand crank agitator whereas the first reviewed toilet has a spider crank agitator.

Nature’s Head Dry Composting Toilet also includes a 5 inch ventilation hose as well as a bottle cap and a 12V power plug for the fan. 

Bottom Line

Composting toilets are a very economical and environmentally friendly toilet that are easy to maintain and use. When it comes to a composting toilet you want to ensure you purchase the best in order to find the most efficient system possible.

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