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Ultimate Guides and Reviews Of The Best Composting Toilet for Tiny House 2020

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By Mike Chua | Last Updated: May 01, 2020

Best Composting Toilet for Tiny House

Hunting for the best composting toilets? Wondering how to choose the best one and what each one has to offer? For the best composting toilet for tiny houses or traveling purposes, we have hand-picked these products to help you.

Composting toilets help to make literal ‘best out of waste’ thing (compost). It is an ecological way of recycling your waste without producing any further waste. It is unlike the conventional flush toilets that waste a ton load of water each day.

The by-product of these toilets will help you in the garden elevating the soil quality and reduces your overall carbon production. It is why so many countries around the globe have organized various projects related to it.

This ultimate guide and reviews on the six best composting toilet according to our opinion will help you make an informed decision when making a purchase.

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Product Name

Review

Price

Nature's Head Self Contained Composting

(Editor’s Choice)

Nature's Head Dry Composting Toilet

Saniflo 023 Sanicompact Self-Contained Toilet 

Villa 9215 AC/DC

Sun-Mar Excel Non-Electric Self-Contained

Sun-Mar Compact Self-Contained Composting Toilet

Top 6 Best Composting Toilet for Tiny House Review 2020

1. Nature's Head Self Contained Composting Toilet with Close Quarters Spider Handle Design- Portable Luxury Composting toilet

Nature’s Head composting toilet comes with the latest design and the best value. It is the most reliable choice for portable, self-contained, urine separating dry toilets. It can be used anywhere you need a toilet, in cabins, barns, yurt, even trucks. This toilet doesn’t have the foul odors associated with a tank system.

The only disadvantage is that the urine catch bowl is quite shallow. And so, solid flaps have to be closed when you have to urinate.

Easy to install, you will rarely find smell coming from the main compartment.

Verdict

Originally designed for marine purposes, its rugged design and materials has proven to be extremely durable no matter what your environment.

Pros

  • Is easy to use.    
  • Minimizes odor.
  • Well suited for traveling.

Cons

  • The urine jug will require emptying every single day.

2. Saniflo 023 Sanicompact Self-Contained Toilet

This self-contained toilet is ideal for fitting into tight spots, something most conventional toilets fail at.

This modern shaped macerating toilet is water-efficient using just one gallon of water per flush. Designed to save water and offer easy access to a toilet, it’s going to handle the effluent from the toilet and sink seamlessly. You don’t need a toilet tank with this one. The flushing action and macerating pump cycle are automatic. You just have to press the push button.

Easy to install, this one’s a space saver too.

Verdict​

This is the absolute best answer for a small bathroom area. This product is absolutely the way it is advertised. Overall it appears to meet the needs of an individual and is not that expensive. So you can go for it without a second thought.

Pros

  • Ideal for limited spaces.
  • Works exceptionally well.
  • The total discharge lift is only one foot.

Cons

  • You will have to adjust the toilet seat after each time you mount it.

3.Villa 9215 AC/DC-Best Composting Toilet for Off-grid

The Villa 9215 AC/DC replace the previous Villa models in the US markets. It is the most advanced, trouble-free composting toilet available for on-grid and off-grid living. Waterless and urine-diverting, it operates on either AC (standard household or on-grid) or DC (from the battery or solar power). You have a single-speed fan, with adaptors for both AC and DC to support venting. The vent fan pulls air over the solid waste holding area, serving to help dry the solid waste and vent any odor.

The fan inside works consistently keeping any potential odor from developing. 

Verdict

If you are looking for a well-made dry toilet that has all the best features of a regular toilet, this is the best one to get.

Pros

  • Available to set up on-grid and off-grid.
  • Is easy to install.
  • Works perfectly - giving off no smell.

Cons

  • Is a bit expensive.
  • Involves buying extra parts.

4. Nature's Head Dry Composting Toilet with Standard Crank Handle

Offering the best value, it is the most reliable solution for personal sanitation requirements. The toilet is self-contained and urine-diverting. The waterless operation allows for ease of use for many applications. This is lightweight, odorless, and compact. It is perfect for your tiny house, cabin, boat, and workshop. The toilet comes with its stainless-steel hardware, robust construction, and user-friendliness. It has been designed to withstand the harshest of conditions.

The only thing to be a bit careful about is its capacity. It fills pretty fast, so you have to empty it in short intervals.

This toilet is easy to use and cleanout. It has 20 CFM fan so it can run off a goal zero battery.

Verdict​

It is an impressive product. It is well structured and easy to use with no smell. It is ideal for people who love eco-friendly ways of living.

Pros

  • It conserves a lot of water.
  • It is odor-free.
  • It is user-friendly and helps in speeding the composting process.

Cons

  • It requires to be emptied in short periods.

5. Sun-Mar Excel Non-electric Self-Contained Composting Toilets

This self-contained composting toilet converts human waste into safe fertilizing soil. It does not give off a bad odor in this process. This model is designed for medium to high capacity use. It functions just as a primary toilet.

On the downside, you will have to provide the drain hole for this toilet if you have to use it as compost. It is a great unit but not for mechanically challenged.

The best thing about this toilet is that it does not pollute the environment and saves water.

Verdict

It works great but you have to control the amount of liquid going into the unit. It is ideal to take on camping or in woods.

Pros

  • It is ideal for off the grid applications.
  • It includes variable diameter bio-drum for processing compost.
  • Using no water, it’s 100% non-polluting.

Cons

  • You have to be careful about the drain.
  • The seat is held too high.

6. Sun-Mar Compact Self-Contained Toilets-Best Composting toilet 

This is the ultimate waste treatment solution that can easily be installed. It does not require plumbing connections. It surpasses traditional systems.  This way it protects public health and the environment.

Its drawbacks include drain not being wide enough and not fiberglass of bad quality.

This composting toilet works really well. And as long as it is maintained well, no related problem should occur.

Verdict

This product is pretty easy to install. But there are certain things about it that needs to be modified, otherwise, it is a product to go for.       

Pros

  • Does not usually require a septic tank.
  • Doesn’t take much maintenance.
  • Meets strict public health safety regulations.

Cons

  • Can be issues of emptying out the tray.

How Do You Choose The Best Composting Toilet For Tiny House?

Composting toilets has different uses, as this study says. However, there are a few things to consider before buying the best composting toilet. Let’s have a look at them:

Ease of Installation

You obviously would not want the installation process to give you a hard time. Ease of installation becomes one of the main factors to consider.

It is true that you have to be really careful while installing a composting toilet. But this does not mean that it is a tough job. In fact, it is much easier to install as compared to the regular toilets.

Anchor these toilets in the right place. Ensure that the ventilation pipe is placed right. This makes it functions properly and keeps the odor away.

Capacity

Another important thing to make note of is the capacity of the composting toilet. The capacity of the toilet largely depends on the frequency of using it in the given time period.

The capacity of the composting toilet simply implies its ability to hold the waste without flowing.

If you are looking for the one to use at home, it is advised to go for the one with a larger holding capacity. On the other hand, if you are looking for the one for traveling purpose then less capacity will work.

Dimensions

Composting toilets usually come with an additional tank. And proper ventilation is attached to it. This makes it look a bit heavier. So, these toilets require a little more space to fit in than the conventional toilets.

When choosing a composting toilet, consider its dimensions to be appropriate. The toilet should be precise enough to fit in the space for it.

Maintenance

Worried about the maintenance of a composting toilet? Well, it might sound like quite a job but if you are regular to clean it then you don’t have to worry about it. Proper maintenance of these toilets will enhance durability. And it will reduce the reparation of the same. 

If you empty the bowl timely and clean it regularly then you don’t have to be worried about its maintenance.

If you are planning to install an electric toilet, you will have to check the connections.

Price

Just like any other toilet model in the market, it also comes with a wide range of prices. The more will be the features attached to the composting toilet greater would be its price.

Generally, composting toilets are comparatively more expensive than regular toilets. But they can help to reduce your water bill so basically, they can compensate for that.

Frequently Asked Questions

By using a composting toilet, you are contributing to nature in your own way. But not being quite a regular toilet, can bring several questions to your mind. Hereby are the answers to some mostly asked questions.

Q1. Do composting toilets smell bad?

We are made to believe that bathrooms are unhygienic places accompanied by the bad odor. When it comes to composting toilets, people generally think that it will stink all the time. But trust me, it will not be the case if you have a toilet with a vent and fan.

The fan expels the foul smell out of the bathroom. It can be a bit stinky where the vent will end so remember to place the other end nowhere near door or deck. Therefore, vent plays a significant role in keeping your bathroom odor-free.

Q2. Does composting toilets require electricity?    

There are various models of composting toilets available in the market as per the needs of different customers. Some promise to reduce water wastage while others guarantee about minimizing electricity consumption.

Most of the compost toilets require electricity mainly to fight the bad odor. Electricity is used for fanning the vent. Some work on the batteries whereas others use plugins. All in all, it depends on the model to model, to use or not to use electricity.

Q3.  How do you keep the bowl clean where there is no flushing? 

While flushing keeps the bowl clean, it causes a lot of water wastage. So, many composting toilets come without the feature of flushing. Using a composting toilet without flush will obviously make the bowl messier. And if it is left like that, then the toilet becomes unhygienic to use.

The best way to clean it is by keeping a spray bottle for use. If you use the toilet and the bowls become messy, you can just spray at the spot and wipe it down.

Q4. Can composting toilets be used in a freezing climate?

A composting toilet can be used in any climate and it is safe to use it in a freezing climate too. The only concern will be about liquids. But if you have tubing for it or the urine bottle then empty it in short intervals. Try to keep the toilet in a warm place in your home as the composting process halts at the freezing temperature.

Q5. Does the venting fan need to run all the time?

Most of the composting toilets include the venting help to minimize the bad odor. However, if you use the toilet for a full time then you will have to keep the fan on to reduce the odor problems. It also helps the composting process to become faster.

If you are not using the toilet for a long time, you don’t have to keep the fan running

Q6. How to dispose of the urine and compostable material?

Disposing the waste from composting toilets is easy if you are fully prepared for it. You can make a great liquid fertilizer out of urine. Just dilute urine to water and you will have a great liquid fertilizer to improve the health of your plants.

Compostable material goes in the compost pile to complete the process of composting. Or if not this, then you can just throw it in the garbage bin.

Final Verdict

Nature’s Head models stand out from all the other models in the market. They give the best value for your money.

These toilets are not cheap, but they are definitely the ones when it comes to performance. The model with close quarters spider handle design is ideal for traveling. Small and compact, it’s the perfect portable choice outlasting many other models in terms of durability.

About the Author Mike Chua

Vircet is your one-stop modern products website that offers you detailed reviews based on efficiency, capacity, design, and performance. We help you make better decisions.

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