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Top 8 Composting Toilets for Tiny House Living in 2024

best-composting-toilet-for-tiny-house

Are you tired of the persistent bad smell in your tiny house bathroom? It might be time to consider a composting toilet. These toilets are becoming a favorite in tiny homes as they not only save space but also handle waste in an environmentally friendly manner.

I have just the help you need! Check out my list of the top 8 composting toilets for tiny house living in 2023. They are designed to banish that awful smell, proving to be low-maintenance and highly efficient. Imagine having a home that smells fresh all day; these composting toilets can help you achieve that!

These toilets are about more than convenience. They play a crucial role in maintaining hygiene and protecting the environment by converting waste into harmless liquid fertilizers. Plus, they use up to 98% less water than traditional flush toilets, marking them as a fantastic eco-friendly solution.

Before we get into the list, I want you to check out this buyer’s guide on composting toilets to arm yourself with all the knowledge you need for a wise decision.

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This article contains affiliate links. If you choose to make a purchase through the links in this article, we will make a small commission. This is at no extra cost to you.

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What is the Best Composting Toilet for Tiny House Living?

best-composting-toilet-for-tiny-house

Best Composing Toilet for Tiny House

The list that you are about to read includes composting toilets that are specifically designed for tiny homes. I will provide you with budget-friendly options so you won’t be left hanging. Let’s dive right into the best composting toilet for tiny house living!

Best Composting Toilets for Tiny House

  1. Thinktank Composting Toilet #1 Top Choice
  2. Nature’s Head Self-Contained Composting Toilet
  3. OGO™ Compost Toilet
  4. Laveo Dry Flush Toilet
  5. Sun-Mar GTG Portable Electric Waterless Toilet
  6. Thetford Cassette Toilet With Electric Flush 
  7. BOXIO Toilet – Portable Camping Toilet
  8. Thetford Porta Potti 92860 – White

Thinktank Composting Toilet #1 Top Choice

Thinktank-composting-toilet

Overview

The Thinktank Composting Toilet is a toilet that doesn’t use water and diverts urine, making it a new and innovative option. This technology provides a simpler and more convenient way to manage human waste while addressing common problems and offering significant improvements over current methods.

Highlights and Features

  • Extremely Easy to Clean – The large opening with vertical sides makes it easier to keep clean when disposing of solid waste.
  • No Peat Moss Required – No peat moss means it’s more accessible to empty and clean.
  • Virtually Airtight – Has separate air intake and exhaust pipes making it cheaper to operate in the long run.
  • Durable and Strong – This product is made of highly durable material and is suitable for individuals weighing over 350 lbs.
  • High Power and Quiet Operation – Using the best fans on the market, they can last up to an estimated 150,000 hours of use.
  • Item Weight – 39 Pounds
  • Voltage – 12 Volts
  • No Batteries Required

Pricing

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My Bottom Line

Used for tiny off-grid shelters, cabins, and tiny homes, the Thinktank Composting Toilet is an excellent option for those looking for an alternative to traditional water-based toilets. It offers simplicity and convenience in a sleek, streamlined design. It’s also easy to maintain and reliable, making it an ideal choice for those looking to reduce their environmental impact.

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

Nature's-Head-Self-with-Close-Quarters-Spider-Handle-Design

Overview

The Nature’s Head Self-Contained Composting Toilet is a composting toilet with an innovative spider handle design that allows for close-quarters installation and no water hookups. This toilet offers the best of both worlds, combining the convenience of a composting toilet with the ease of use of a standard toilet. It’s small enough to fit in any tiny house and the design makes it easy to keep clean.

Highlights and Features

  • No Odor – Uses a fan to draw out the composting odors and replace them with fresh air.
  • Easy to Install – Installation is simple and straightforward using the unique spider handle design.
  • Large Capacity – On average two full-time people would have to empty this toilet every 4-6 weeks.
  • Durable – Made of rugged and durable plastic, this toilet can handle up to 350 lbs.
  • No Batteries Required – This toilet is powered by a 12V DC current.
  • Weight – 28 Pounds
  • Product Dimensions – 20.98 x 19.02 x 20.98 inches
  • Voltage – 12 Volts – A DC. 12 Volt adapter is available

Pricing

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My Bottom Line

Based on customer reviews, it is suggested that this toilet should not be used during winter unless it is placed in a heated area.

The Nature’s Head Self-Contained Composting Toilet is a great option for people who want to lower their environmental footprint and can be utilized in off-grid homes, tiny homes, and RVs. The product is simple to install, use, and maintain. Moreover, it provides an odorless and maintenance-free option for both on-grid and off-grid homeowners.

OGO™ Compost Toilet

OGO-Compost-Toilet

Overview

The OGO Compost Toilet is designed for RVs, vans, and boats and is the smallest and most convenient to empty. This solution addresses the problems of old-style crank compost toilets with its modern design that can fit almost any space.

Highlights and Features

  • Modern Design – This design has a contemporary style that would enhance the look of any space.
  • Trap Door Mechanism – The trap door is designed to make it easy to separate your liquids and solids.
  • Liquid Level Light – The urine sensor illuminates when your bottle is close to being full, preventing any overflow problems.
  • Electric Agitator – The compost medium was easily mixed using a button flush and a removable bucket.
  • Easy to Empty – An easy-to-empty solids bin can be removed and emptied every two weeks.
  • No Odor – The unique OGO compost toilet design ensures that no odor will escape.
  • Capacity – 2.4 Gallons
  • Dimensions – 16″L x 15″W x 18.5″H
  • What’s in the box? – OGO Compost Toilet, Power Cable, Mounting Screws, and Venting Hose.

Pricing

What customers have to say!

OGO-Compost-Toilet-customer-review

My Bottom Line

Why buy this extraordinary compost toilet? The product is made in the USA and has a compact design with an easy-to-empty solids bin. However, there are many other features aside from these.

This product offers multiple ventilation options that can be used on one or both sides of a building. It’s versatile and suitable for ventilating recreational vehicles (RVs), vans, boats, and tiny homes.

Laveo Dry Flush Toilet

Laveo-Dry-Flush-Toilet

Overview

The Laveo Dry-Flush Toilet is advertised as a highly effective and convenient portable toilet that doesn’t require water.

The product’s popularity among those who spend a lot of time off-grid is partly due to its battery system, which removes the need for a separate power supply.

Highlights and Features

  • 100% Odorless – The Dry Flush toilet’s patented design collects waste and prevents any unpleasant odors from escaping, eliminating embarrassing smells.
  • Comfortable and Discreet – The Dry Flush toilet by Laveo is a regular-sized toilet with a standard seat and height.
  • User Friendly – You don’t need to use any bulking material or chemicals, and the setup process is not complicated.
  • Easy to Empty – To dispose of a full cartridge, remove the black air-tight bag and discard it. The cartridge can be used for 15 flushes without Pee Powder or 28 flushes with it.
  • Weight – The item weighs 27 pounds which makes it easy to install almost everywhere.
  • Made in USA
  • Dimensions – 20 x 16 x 18 inches
  • Voltage – 12 Volts
  • Batteries Included

Pricing

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What customers have to say!

Laveo-dry-flush-toilet-customer-review

My Bottom Line

To use this toilet properly, you will need to purchase refill cartridges which are easy to install. The Laveo Dry Flush Toilet is a great choice for many uses if you make sure to buy enough cartridges.

This product is suitable for use in small living spaces such as tiny homes, vans, boats, and RVs, and for camping or off-grid situations.

Sun-Mar GTG Portable Electric Waterless Toilet

Sun-Mar-GTG-Portable-Electric-Waterless Toilet

Overview

Installing this composting toilet is hassle-free, and it offers great convenience. It separates solid and liquid waste, so it’s perfect for off-grid living or camping trips, and also makes a smart choice for home use. Its compact design will fit in any space and its performance is second to none.

Highlights and Features

  • Built-in 12V Fan – The Sun-Mar GTG is equipped with a 12V fan that circulates air in the chamber to prevent odors from escaping.
  • Solid/Liquid Separation – The smart toilet has separate chambers for liquid and solid waste.
  • Elongated Seat – Provides comfort and convenience.
  • Dual Chamber System – The GTG separates liquid and solid waste into separate chambers.
  • Odor Free – The vented design guarantees that the operation is free of odors.
  • Highly Portable – It is easy to move and store due to its small size.
  • Easy Disposal – The GTG works in a similar way to a cassette toilet, which simplifies waste management.
  • Dimensions – 24 x 15.75 x 19.8 inches

Pricing

Sun-Mar-GTG-Portable-Electric-Waterless Toilet-Amazon-price

My Bottom Line

At around 30 pounds, the Sun-Mar GTG Portable Electric Waterless Toilet is a great choice for anyone who needs a strong and portable toilet solution. It is best used for compact spaces within an RV, camper van, tiny houses, off-grid cabins, or general camping trips.

Compared to incinerator toilets, this model causes less trouble and has a lower environmental impact.

Thetford Cassette Toilet With Electric Flush 

Thetford-Cassette-Toilet-with-electric-flush

Overview

The Thetford Cassette Toilet With Electric Flush is a bench-style model toilet that comes with wheels and a retractable handle for easy mobility.

Highlights and Features

  • LED Display – Indicates when the waste tank is full to empty.
  • No Splash Pour Spout – An integrated no splash pour spout prevents messes when draining the waste tank.
  • Electric Push Button – The electric button is used to fill the bowl with water.
  • Retractable Handle – Comes with a retractable handle for easy transport.
  • Lightweight Design – At 22 pounds, it’s easy to move and store almost anywhere you need.
  • Waste Capacity – 5.1 gallons
  • Flush Water Capacity – 4 Gallons
  • Dimensions – 29 x 17.25 x 21.75 inches

Pricing

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My Bottom Line

If you plan to buy this toilet from any website, including Amazon, be sure to carefully review the return policy since it cannot be returned.

Cassette toilets provide both the comfort of indoor plumbing and the convenience of a holding tank that can be accessed from the outside of the vehicle. This waste holding tank has an advanced level indicator display that can be installed on either the left or right side for maximum versatility.

This product is most suitable for camping, RVs, off-grid cabins, tiny houses, and camper vans.

BOXIO Toilet – Portable Camping Toilet

BOXIO-Toilet-Portable-Camping-Toilet

Overview

The Boxio Toilet is an affordable, compact composting toilet that is highly portable and includes a urine-diverting feature. It is currently the most portable option available on the market.

Highlights and Features

  • Highly Mobile – The small compact mini camping toilet design makes it easy to transport and store in your car, RV, or camper.
  • Hygienic – The composting toilet is equipped with a separate container of 1.3 gallons along with a lid and a canister that is leak-proof for urine.
  • Environmental Friendly – Put the solid in the trash can and pour the liquid into the manhole.
  • High Capacity – The portable toilet can hold waste from 8-10 uses before it needs to be emptied.
  • No Odor – Using the HEMPLITTER and PLUG with the camp toilet can help minimize unpleasant smells.
  • No Batteries Required – This toilet is completely manual and does not require any type of power source.
  • Dimensions – 15.75 x 11.81 x 11.42 inches
  • Weight – 6.2 Pounds

Pricing

BOXIO-Toilet-Portable-Camping-Toilet-Amazon-price

Upgrade to the Boxio Toilet Plus (Boxio Toilet, Boxio Plug, 3x Boxio Bags, 2x Boxio Hemp)

Upgrade to the Boxio Toilet Max (Boxio Toilet, Boxio Plug, 3x Boxio Bags, Boxio Toilet UP, x1 Hemp, and x1 Shake)

My Bottom Line

The Boxio Toilet is commonly used for car camping, boating, or camping purposes. It can also be used as an emergency or garden shed toilet. With its lightweight and portable design, this toilet makes a great choice for anyone looking for an affordable composting toilet. The upgrade options provide added convenience and are great for more frequent use.

Plus, it doesn’t require any power source to operate, making it a great choice for off-grid living.

Thetford Porta Potti 92860 – White

Thetford-porta-potty-92860-white

Overview

The portable toilet consists of a white top and bottom with a central band in grey color. The portable toilet contains a freshwater tank of 2.6 gallons and a wastewater holding tank of 2.6 gallons. With a full fresh water tank, the toilet can provide approximately 27 flushes on average.

Highlights and Features

  • Ergonomic Carrying Handle – The toilet has an ergonomic carrying handle, which helps in easy portability.
  • Modern Appearance – Made with durable material and easy to use and clean design with a removable seat cover.
  • 2.6 Gallon Waste Water Tank – This includes a rotating pour-out spout and a 2.6-gallon fresh water tank.
  • Easy to Empty – The rotating pour-out spout helps empty the toilet without any splash back.
  • Sealed Valves – Sealed valves help with the odor in the holding tank and the Bellow pump flush adds water to the bowl.
  • Dimensions – ‎13.54 x 12.13 x 15.12 inches
  • Weight – 8 pounds

Pricing

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What customers have to say!

Thetford-92860-customer-review

My Bottom Line

This product is suitable for outdoor activities, as well as for use in RVs, camper vans, off-grid lifestyles, and as a backup emergency source. This toilet is not meant for long-term use; it is only suitable for short-term or emergency needs.

You cannot beat the price and features of the Thetford Porta Potti. It is a great option if you are looking for an affordable, reliable toilet for camping or other outdoor activities. Its lightweight design and extra-large waste tank make it perfect for short-term use, while its odorless and leakproof design makes it a great choice for outdoor and indoor use.

What Is A Composting Toilet?

Composting toilets minimize water use by separating liquid and solid waste. Bacteria and other organisms transform the solid waste into compost in a dedicated chamber, while liquid waste is stored separately.

They’re popular in off-grid areas and places lacking traditional plumbing, reducing water use and environmental impact. Beyond saving water, these toilets decrease landfill waste and produce compost that can serve as a nutrient-rich fertilizer for gardens and farms.

Composting Toilet Maintenance

composting-toilet-maintenance

Composting Toilet Maintenance

Composting toilets require regular maintenance to ensure optimal performance and also to reduce any odors. Regular emptying of the composting chamber, cleaning out any clogs or debris, and regularly checking for signs of leaks are all important steps in maintaining a healthy composting toilet system. Additionally, adding carbon-rich materials such as dry leaves, wood chips, or sawdust can help speed up the composting process and reduce odors.

While composting toilets may not be suitable for all types of installations, they are an ideal solution for those looking for a low-maintenance and water-saving toilet option. Here is a guide to composting toilets.

Wrapping Up

Composting toilets are an ideal solution for those looking for a low-maintenance and water-saving toilet option. They require regular maintenance to ensure optimal performance, which includes emptying the composting chamber, cleaning out any clogs or debris, and regularly checking for leaks.

Additionally, adding carbon-rich materials such as dry leaves, wood chips, or sawdust can help speed up the composting process and reduce odors. Ultimately, composted human waste can be safely used in gardens or farms as fertilizer, providing a valuable source of nutrients.

I hope this article has helped you understand more about composting toilets, how to maintain them, and the top options available for purchase. Don’t forget to follow my blog for more off-grid resources and content.

FAQs

What Do You Do With Your Waste?

The waste is broken down in the composting chamber by bacteria, fungi, and other organisms. The liquid waste is then collected in a separate container or tank while the solid waste is converted into compost. This compost can then be used as a fertilizer in gardens or farms.

What Is The Best Compost Medium to Use?

This will depend on your toilet. For example, the Nature’s Head Self-Contained Composting Toilet requires a compost medium for operation. You will have to buy peat moss or some type of composting medium for this toilet. If you need peat moss and composting medium for this toilet or others like it, it is best to look for a small bag of it.

If you are looking for a peat moss alternative, use the Kempf Compressed Coco Coir Bricks Growing Medium (4 Pack).

A peat moss you should certainly use for this is the Premier Horticulture Peat Moss Organic Sphagnum.

Do Composting Toilets Have Odors?

Composting toilets use anaerobic bacteria to break down the waste, preventing odors from escaping. However, maintenance is still necessary to keep the system functioning optimally and also to prevent any odors from occurring.

How Often Should a Composting Toilet Be Emptied?

This will depend on the size of the composting chamber and how many people are using it. Generally, a composting toilet should be emptied every three months or so. However, it is best to consult the manufacturer’s instructions for specific advice on this.

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