Best Tiny House Composting Toilet

Best Tiny House Composting Toilet


When it comes to tiny house toilets, there are many options on the market, but not every tiny house toilet is created equal


Knowing your needs, expectations, and willingness to maintain an alternative toilet will help you choose a toilet that fits your lifestyle and adds to the enjoyment of your new home.


Below we have created a list (In No Particular Order) of the best tiny home composting toilet options. We chose each of these toilets for their ability to function day to day as well as be on the move without spillage if you decide to take your tiny home on the road!

Want more information on composting toilets?
Check Out - The Ultimate Composting Toilet Guide.

Simply the most comprehensive resource on composting toilets today, learn the ins and outs of Composting Toilets in this eBook. 

1. Laveo Dry Flush Portable Toilet

The Laveo Dry Flush, while not truly a composting toilet, has made a name for itself in the composting toilet market of late. In reality, its intended use was as a portable or camping toilet.


It’s small, lightweight, battery-powered, and ready to travel when you are.


It works by storing liquid and solid waste in sealed bags after each use. After use, simply push the flush button and the bag you deposited your waste into is sealed, pulled into the bottom of the unit, and stored for later disposal.


Its small size, low price, and sealed waste to avoid ever handling raw sewage has given it a real foothold in the tiny home, RV, and marine communities.

Pros...

  • Not super expensive

  • Small in size and lightweight

  • Sealed waste preventing sewage handling.

  • Portability allowing users to take it with them on the go

Cons...

  • Refill cartridges get expensive costing nearly $.75 per flush.

  • Cartridges are not compostable so waste is tossed into the landfill.

  • Battery operated and requires recharging periodically.

2. Nature's head toilet

The Nature’s Head dry composting toilet is fast becoming the #1 seller in the tiny home toilet market. It’s a true urine separating toilet and the simplicity of design, few moving parts, and its obvious size advantages give it a real winning advantage.


Installation of the Nature’s Head is simple and requires only a small 2” vent hose to be plumbed to the outside and can be wired for 12v or 120v power.


The electrical hookup is simply to run the exhaust fan that keeps the solids bin odor-free inside the bathroom.


To use the toilet, simply fill the solids bin with a required bulking material, plug it in and you are all set. A liquid catch bottle on the front of the unit can be mixed 8 parts water to 1 part urine and safely emptied into a flower bed!

Pros...

  • Reduces solid waste to 10% its original bulk by mixing with bulking material and breaking it down via composting process.

  • 2 people using the unit full time can run up to 6 weeks before needing to clean out.

  • Fully sealed to handle any travel you can throw at it

  • Few moving parts to break down.

  • Relatively low price.

Cons...

  • User has to empty liquids bottle.

  • Solid waste may need more time to fully compost so an external composter is recommended. If not available, extra solids bin with lid is available to give compost the required time to break down.

Learn More About Nature's Head Composting Toilets
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3. OGO Composting Toilet

The OGO Waterless Composting Toilet is sleek, stylish and the smallest composting toilet on the market, making it perfect for RVs, boats, cabins, basements, campers, workshops, and tiny home applications. 


Made by hand in the USA, the OGO Toilet seamlessly separates liquids from solids, which means NO SMELL! 


Yep, that's right, the unique design ensures you never have to deal with any foul smells. 


Pros...

  • No cranking required

  • No smells

  • 100% Eco-Friendly, so you can help save the planet and your pocketbook.

  • Empty the toilet less often due to the optimized container

  • Modern design looks great in your space!

Cons...

  • Requires power hookup

  • User has to empty liquids bottle.

  • Solid waste may need more time to fully compost so an external composter is recommended

Learn More About OGO Composting Toilet
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4. Sun-Mar Mobile composting toilet

The Sun-Mar Mobile composting toilet was originally designed for boats and RVs with violent motion being a major design consideration. This makes it perfect for tiny home users on the move!


Comes complete with mounting brackets, a finishing drawer that is gasketed, and a fold up footrest which can easily be removed to access the finishing drawer when the unit needs to be emptied.


With a width of only 19.5 inches and depth of 23 inches, this medium capacity, electric composting toilet occupies only slightly more floor space than a standard toilet.


Designed with a three-chamber system this composting toilet incorporates a patented Bio-drum which ensures fast and odorless decomposition.


This toilet has no pump outs, no changing containers, no pouring out urine, no chemicals. This self-contained composting toilet has little maintenance and works like a charm!

Pros...

  • Less clean-outs per year

  • No water needed

  • Odor free

  • DIY install

  • 12 volt ready

  • Longer cleanout cycles means waste is broken down further.

  • Designed with traveling in mind.

Cons...

  • Requires power hookup

  • Requires vent pipe install

  • More moving parts

  • Higher seat and does not look like traditional toilet.

Learn More About the Sun-Mar Mobile Composting Toilets
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5. Separett Composting Toilets

Separett Series Composting Toilets are quickly becoming more popular with the tiny house crowd. Simplicity in design along with a more traditional toilet look make this an attractive option for a lot of tiny home owners!


The Separett Villa operates in a very similar way to the EcoJohn basic with the addition of a rotating drum to ensure solid waste does not build up like a pyramid causing users to empty more often.


The Separett also uses biodegradable bags so moving waste to a remote compost pile does not require you to empty the bag and deal with raw waste.

Pros...

  • Simple design similar to traditional toilets

  • No water needed

  • Odor free

  • No Step Up

  • Rotating waste drum

  • Compostable Bags

Cons...

  • Requires power hookup

  • Requires vent pipe install

  • Requires liquid drain hose

Learn More About the Separett series Composting Toilets
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Want more information on composting toilets?
Check Out - The Ultimate Composting Toilet Guide.

Simply the most comprehensive resource on composting toilets today, learn the ins and outs of Composting Toilets in this eBook.