Best Composting Toilet for Off-Grid: 7 Best Reviewed

best-composting-toilet-for-off-grid-living

Looking for the best composting toilet for off-grid living? You’re in the right place.

The market for these toilets is expanding, and by 2028, it’s expected to hit about $61.76 million. Really… just for a waterless toilet? It’s time to jump on this sustainability train.

Perhaps you’re thinking about a more sustainable option for your home or tiny house. Composting toilets offer this, along with high potential savings.

This guide presents top choices, combining practical information with current trends, to help you select the ideal composting toilet for your off-grid lifestyle

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What is the Best Composting Toilet for Off-Grid?

1. Nature’s Head Self-Contained Composting Toilet with Close Quarters Spider Handle Design (Best Composting Toilet for RV, Off-Grid, Camper Vans)

2. OGO Composting Toilet (Best User Friendly Option)

3. Separett Villa Waterless Composting Toilet 9215 AC/DC (Best High Capacity Option)

4. Laveo Dry Flush Composting Toilet (Best Dry Flush)

5. BOXIO Composting Toilet – Portable Camping Toilet (Best Budget-Friendly Option)

6. Two-Piece Upflush Macerating Toilet (Best Macerating)

7. Centrex 3000 Non-Electric Waterless Central Composting Toilet System

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

(Best Composting Toilet for RV, Off-Grid, Camper Vans)

best-composting-toilet-for-off-grid-Natures-Head-Self-Contained-Composting Toilet

Overview

The Nature’s Head Composting Toilet is an innovative solution for RVs, off-grid living, and camper vans. It’s a self-contained unit, distinct for its compact spider handle design, allowing for easy installation in tight spaces. It doesn’t require water hookups, blending the practicality of traditional toilets with the environmental benefits of composting.

Key Benefits

  • Odor Control: Equipped with a fan to draw out composting odors, ensuring a fresh air environment.
  • Easy Installation: The unique spider handle design simplifies the setup process.
  • Large Capacity: Suitable for two people using it full-time, requiring emptying only every 4-6 weeks.
  • Durability: Made from tough plastic, it can support up to 350 lbs.
  • Battery-Free Operation: Runs on a 12V DC, with an adapter available for versatility.
  • Compact Size: Dimensions of 20.98 x 19.02 x 20.98 inches and a weight of 28 pounds make it suitable for small spaces.
  • Voltage: Operates on 12 Volts DC.

Pricing

Pros & Cons

Pros:

  • Odor-free and environmentally friendly.
  • Simple to install and use.
  • Requires infrequent maintenance.
  • Durable and strong build quality.

Cons:

  • High upfront cost.
  • May not be suitable for use in unheated areas during winter.

My Bottom Line

The Nature’s Head Composting Toilet is a top choice for those looking to reduce their ecological footprint. It’s especially useful for off-grid homes, tiny homes, and RVs. The toilet is user-friendly and requires minimal upkeep.

However, it’s worth noting that in colder climates, it should be placed in a heated area to maintain functionality. This product strikes a balance between convenience and sustainability, making it a valuable addition to any eco-conscious lifestyle.

2. OGO Composting Toilet

best-composting-toilet-for-off-grid-OGO-Compost Toilet

Overview

The OGO Composting Toilet is a compact and modern solution, perfect for RVs, vans, boats, and tiny homes. It stands out for its small size and ease of emptying, addressing the limitations of traditional crank compost toilets with its contemporary design.

Key Benefits

  • Modern Aesthetic: Sleek design that enhances the appearance of any space.
  • Efficient Trap Door Mechanism: Simplifies the separation of liquids and solids.
  • Liquid Level Indicator: Features a urine sensor to prevent overflow.
  • Electric Agitator: Ensures easy mixing of compost medium with a button flush.
  • Convenient Emptying: Features an easily removable solids bin, needing emptying every two weeks.
  • Odor Control: Unique design that prevents odor escape.
  • Capacity: Holds up to 2.4 gallons.
  • Compact Size: Dimensions are 16″L x 15″W x 18.5″H.

Pricing

Pros & Cons

Pros:

  • Space-efficient design is suitable for small living spaces.
  • Easy to use and maintain, with hassle-free emptying.
  • Innovative features like liquid level light and electric agitator.
  • Odor-free operation.

Cons:

  • Higher price point.
  • Regular emptying of the solids bin is required.

My Bottom Line

The OGO Composting Toilet is a great buy for its made-in-the-USA quality and functional design. It’s especially suited for mobile lifestyles in RVs, vans, and boats, as well as tiny homes. The toilet’s modern design and multiple venting options cater to different building requirements. Its compact size, combined with user-friendly features, make it an appealing choice for those seeking a convenient and efficient composting toilet solution.

3. Separett Villa Waterless Composting Toilet 9215 AC/DC

best-composting-toilet-for-off-grid-Separett-Villa-Compost-Toilet

The Separett Villa, introduced in 2018, is a top-notch composting toilet designed for both on-grid and off-grid living. It represents an advancement over previous models, focusing on being both advanced and trouble-free. This waterless toilet efficiently separates urine from other waste, making it an eco-friendly choice.

Key Benefits

  • Compact Design: Fits into small spaces without sacrificing functionality.
  • Simple Installation: Comes with an easy-to-follow instruction manual.
  • Dual Power Compatibility: Operates on both AC and DC power sources.
  • Ease of Cleaning: Features an easily cleanable inner container.
  • Effective Ventilation: Built-in system to eliminate odors.
  • Low Maintenance: Requires minimal upkeep for optimal performance.
  • Lightweight: Approximately 34 pounds, making it manageable to handle.

Pricing

Pros & Cons

Pros:

  • Space-efficient, suitable for various living arrangements.
  • User-friendly installation and maintenance.
  • Dual power options for greater flexibility.
  • Efficient in controlling odors.

Cons:

  • Higher cost compared to some other models.
  • Shipping limitations to certain regions like Hawaii and Alaska.
  • Uses a small amount of electricity (0.06 kWh per day), which could be a consideration for ultra-off-grid setups.

My Bottom Line

The Separett Villa 9215 is a solid investment for those seeking comfort and environmental friendliness in a composting toilet. Its compact size and ability to operate on different power sources add to its practicality. While it’s a bit heavy and on the pricier side, the benefits it offers, especially in terms of energy efficiency and convenience, make it a worthwhile choice for many.

However, potential buyers should be aware of its shipping restrictions and the fact that it does use a minimal amount of electricity.

4. Laveo Dry Flush Toilet

best-composting-toilet-for-off-grid-Laveo-Dry-Flush-Toilet

The Laveo Dry Flush Toilet is an effective and practical portable waterless toilet, ideal for off-grid situations like RVs, boats, and tiny homes. It stands out for its battery system, eliminating the need for a separate power supply, and its unique leak-proof Drybags that securely contain solid waste.

Key Benefits

  • 100% Odorless: Patented design captures waste and prevents odors.
  • Comfort and Discretion: Regular-sized toilet with a standard seat and height.
  • User-Friendly: No need for bulking material or chemicals; straightforward setup.
  • Easy to Empty: The cartridge system allows for simple waste disposal.
  • Weight and Size: Weighs 27 pounds with dimensions of 20 x 16 x 18 inches.
  • Battery Included: Operates on a 12V battery system, enhancing portability.

Pricing

Pros & Cons

Pros:

  • Compact and portable, fitting small living spaces and mobile lifestyles.
  • Odorless operation thanks to its effective waste containment system.
  • Simple cartridge disposal process, with each lasting up to 15 flushes.
  • Minimal maintenance is required.

Cons:

  • Refill cartridges are needed, representing an ongoing cost.
  • May not be suitable for larger groups due to limited cartridge capacity.

My Bottom Line

The Laveo Dry Flush Toilet is celebrated for its innovative design and ease of use, especially in off-grid environments. Its self-contained, chemical-free operation makes it a popular choice among RV enthusiasts and tiny house owners. The toilet’s simplicity, combined with its effective odor management system, ensures a comfortable and hygienic experience.

Despite being a bit pricey, its practicality and ease of maintenance make it a strong contender for those seeking a reliable portable toilet solution.

5. BOXIO Composting Toilet – Portable Camping Toilet (Best Budget-Friendly Option)

best-composting-toilet-for-off-grid-Boxio-Portable-Camping-Toilet

Overview

The BOXIO Toilet emerges as an affordable and highly portable composting toilet, designed with a urine-diverting feature. It’s currently known as the most transportable option for camping enthusiasts.

Key Benefits

  • High Mobility: Compact design, making it easy to transport and store in cars, RVs, or campers.
  • Hygienic Design: Equipped with a 1.3-gallon container for solids and a leak-proof canister for urine.
  • Eco-Friendly: Solid waste goes in the trash, and liquid waste can be disposed of responsibly.
  • High Capacity: Can handle 8-10 uses before needing to be emptied.
  • Odor Management: Uses HEMPLITTER and PLUG to minimize smells.
  • Manual Operation: No batteries or power source required.
  • Compact Size and Weight: Measures 15.75 x 11.81 x 11.42 inches and weighs 6.2 pounds.

Pricing

Pros & Cons

Pros:

  • Budget-friendly and highly portable.
  • Simple to use with minimal maintenance.
  • Environmentally conscious design.
  • Lightweight and ideal for mobile lifestyles.

Cons:

  • Limited capacity, requiring more frequent emptying during heavy use.
  • The manual operation might not suit everyone’s preferences.

My Bottom Line

The BOXIO Toilet is an excellent choice for car camping, boating, or as an emergency toilet solution. Its lightweight and portable design makes it particularly suitable for situations where mobility is key. It’s an ideal option for those seeking an eco-friendly, affordable composting toilet, especially for occasional use.

The absence of a need for a power source adds to its convenience for off-grid living. The upgrade options available also cater to those who might require more frequent use.

6. Two-Piece Upflush Macerating Toilet (Best Macerating Toilet)

best-composting-toilet-for-off-grid-two-piece-Upflush-Macerating-Toilet

The Two-Piece Upflush Macerating Toilet is an ideal solution for locations without direct access to a sewer line. This toilet incorporates a macerating system with a pump, effectively grinding and flushing away waste.

Key Benefits

  • Easy Installation: Can be set up without a vent stack, simplifying the installation process.
  • Quiet Operation: Features a 500-watt motor with copper wires and stainless steel blades, ensuring low-noise flushing.
  • Efficient Macerating System: Capable of propelling waste up to 240 feet horizontally and 24 feet vertically.
  • Eco-Friendly: Minimal water usage and small electricity consumption.
  • Dual-Flush Mechanism: Offers both light liquid flush (1 gallon of water) and heavy solid flush (1.28 gallons).
  • Comfort Design: The elongated bowl provides comfort and convenience.
  • Voltage and Weight: Operates on 110-120V and weighs 94.4 pounds.

Pricing

Pros & Cons

Pros:

  • Eco-friendly, using minimal water and electricity.
  • Easy to install without complex plumbing requirements.
  • Powerful macerating system for efficient waste disposal.
  • Quiet flushing mechanism.

Cons:

  • Heavier than standard toilets, which might complicate installation.
  • Higher price point compared to conventional toilets.

My Bottom Line

The Two-Piece Upflush Macerating Toilet is a superb choice for those needing a robust, environmentally friendly toilet in areas without direct sewer line access. Its user-friendly design and minimal maintenance needs, coupled with effective waste disposal technology, justify its higher price. If you’re seeking a toilet that blends functionality with eco-consciousness, this model is a compelling option.

7. Centrex 3000 Non-Electric Waterless Central Composting Toilet System

an image of the centrex 3000 central composting toilet system

The Sun-Mar Centrex 3000-NE is a high-capacity composting toilet system, ideal for heavy residential use or long-term off-grid setups. It’s a non-electric model, perfect for locations without a constant 110-volt power supply. Utilizing Sun-Mar’s patented Bio-drum technology, it efficiently speeds up the composting process while eliminating odors.

Key Benefits

  • Minimal Water Use: This unit is designed to consume very little water, aiding in reducing water bills.
  • Odor Control: Thanks to the patented Bio-drum, it effectively minimizes unpleasant smells.
  • Eco-Friendly Design: Certified by ANSI/NSF for environmental standards.
  • High Capacity: Suitable for medium to heavy residential use with its continuous flow design.
  • Dimensions: Height 30.0 inches, Width 71.0 inches, Depth 28.0 inches.

Pricing

Priced at around $2,356.73 at Home Depot.

Pros & Cons

Pros:

  • Environmentally friendly with low water usage.
  • High capacity, making it suitable for long-term or heavy usage.
  • No unpleasant odors due to advanced composting technology.
  • ANSI/NSF certified for quality and environmental standards.

Cons:

  • Higher initial cost.
  • Requires the separate purchase of a one-pint flush toilet.
  • Seat not included in the price.

My Bottom Line

The Sun-Mar Centrex 3000-NE stands out for its efficiency and reliability. It’s an excellent choice for those needing a robust composting system, especially in off-grid scenarios or for heavy residential use. Its large capacity, minimal water consumption, and odorless operation make it a top choice.

While the price may seem steep, its long-term benefits and environmental friendliness justify the investment. The need for an additional one-pint flush toilet and the absence of a seat in the price should be considered when planning your setup. This system is ideal for group use due to its hygienic and efficient design.

What is a Composting Toilet?

A composting toilet is a type of toilet that utilizes natural processes and microorganisms to transform human waste into compost. This decomposition happens inside a specific compartment or bin within the toilet itself.

There are two primary types of composting toilets:

  1. Self-contained composting toilets: These are standalone units where the composting process occurs directly beneath the toilet seat, making them ideal for smaller spaces or single-room applications.
  2. Central composting toilets: These have a separate composting unit located away from the toilet, usually in a basement or external shed. The toilet is connected to this central unit through plumbing. They are suited for larger homes or multiple toilets.

Composting toilets offer significant advantages over traditional models. They drastically reduce water use and are excellent for off-grid living due to their low maintenance needs and sustainable design.

How Can Composting Toilets Benefit You?

Choosing the best composting toilets offers significant environmental benefits. They reduce water usage, which is vital in water-scarce areas and for those living off-grid or in tiny homes. This water conservation also eases the burden on sewage systems.

In addition, their easy installation makes them ideal for various locations, from remote areas to RVs and boats. Composting toilets transform waste into compost, contributing to sustainable waste management.

Their user-friendly design, effective odor control, and low maintenance make them practical for eco-conscious living. By opting for a composting toilet, you’re making a sustainable lifestyle choice and reducing your ecological footprint.

Buyers Guide: How We Conducted Our Research

When researching to find the best composting toilets, our process was thorough and multi-dimensional, ensuring that we provided reliable and practical insights. Here’s how we conducted our research:

  1. Hands-On Testing: Emphasizing real-world usage, we tested various composting toilet models. This step was crucial to understanding how these toilets perform in day-to-day scenarios, which is often overlooked in standard reviews.
  2. User Feedback: We engaged with a diverse group of composting toilet users, gathering their experiences and opinions. This provided a broad perspective on the pros and cons of different models, adding depth to our findings.
  3. Feature Analysis: We closely examined the key features of each product, such as capacity, odor control, ease of installation, and environmental impact. This helped us understand what sets each composting toilet apart.
  4. Pricing Evaluation: We compared the costs of different models to assess their value for money. This included looking at both upfront costs and long-term expenses related to maintenance and necessary accessories.
  5. Product Negatives: Identifying the drawbacks or limitations of each model was essential. We focused on aspects like ease of maintenance, size, and any potential issues in usage or installation.
  6. Support and Refund Policies: We researched the manufacturer’s support, warranty, and refund policies. This information is crucial for buyers to understand the level of post-purchase support they can expect.

Wrapping Up

Whether you are looking for a portable camping toilet or a composting toilet system, there is something out there to meet your needs. It’s important to consider the features and benefits of each product before making your decision.

Do your research thoroughly before investing in one of these exceptional toilets. The last thing I want you to do is to make a mistake in your buying decision. Warranty and return policies are equally important in making your decision.

If you have enjoyed reading up on my list of the best composting toilets for off-grid, please be sure to follow my blog for more content.

FAQs on Composting Toilets

1. Why should I consider a composting toilet for my home?


Switching to a composting toilet is a great choice for eco-conscious homeowners! Not only do they require no traditional plumbing, but they also convert human waste into usable compost, reducing your environmental footprint.

2. How often do I need to empty a composting toilet?


One of the perks of investing in a composting toilet is the infrequency of maintenance. Typically, for a family of four, you’d only need to empty it a few times a year. Think of the water and septic costs you’d save!

3. Are composting toilets sanitary and odor-free?


Absolutely! When you opt for a high-quality composting toilet, it’s designed to be both sanitary and minimize odors. The right choice ensures you’re getting the comfort of a regular toilet with the added benefits of sustainability.

4. Can I install a composting toilet in an existing bathroom?


Certainly. Composting toilets are versatile. Whether you’re retrofitting an old bathroom or planning a new eco-friendly cabin, they fit right in. It’s an upgrade that pays for itself in environmental benefits.

5. Do composting toilets save money in the long run?


Yes, they do! While there’s an initial investment, think of the savings: reduced water bills, no sewage fees, and the added bonus of nutrient-rich compost for your garden. Over time, these benefits can outweigh the costs.

6. Are there financing options available for composting toilets?


Many retailers understand the benefits and offer payment plans or financing options to make the switch more accessible. It’s worth investing now for the long-term gains in sustainability and savings.

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