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Taming Tiny House Waste: A Breakdown of Composting Toilets

Imagine stepping into a world where your home doesn't just exist on a piece of land but actively participates in the circle of life, turning what we once thought of as waste into a resource. This is the reality for many embracing the tiny house movement, a revolutionary approach to living that not only challenges conventional housing norms but also offers a unique opportunity to redefine our relationship with the environment. The necessity of effective waste management increases when we reduce our living areas, such the ones offered by Havenn Tiny Houses, and forces us to come up with creative solutions that support our sustainable living objectives.

Enter the composting toilet, a key player in the tiny house revolution, offering a sustainable and eco-friendly alternative to traditional waste disposal methods. This isn't just about solving the logistical challenges of living in a smaller space; it's about embracing a lifestyle that respects and regenerates our environment. For those of us who have taken the plunge into tiny living, including residents of Havenn Tiny Houses, the composting toilet is not just a practicality—it's a statement of our commitment to a greener planet.

In this article, we'll dive into the world of composting toilets, breaking down how they work, why they're a game-changer for tiny house residents, and how they can transform our views on waste. Whether you're a seasoned tiny house enthusiast or just curious about sustainable living practices, join me as we explore the ins and outs of composting toilets, a cornerstone of environmental stewardship in the tiny house movement.

Tackling Tiny House Waste

As the tiny house community grows, the issue of managing waste in such compact living environments becomes increasingly critical. Havenn Tiny Houses stands at the forefront of this challenge, implementing eco-friendly and sustainable strategies to manage "Tiny House Waste" effectively. Among their pioneering solutions, composting toilets represent a cornerstone, turning a potential environmental hazard into a benefit for the planet. These systems reflect Havenn's dedication to sustainability, minimalism, and elegance, offering a practical approach to waste that aligns with the ethos of tiny living.

The Science and Benefits of Composting Toilets in Tiny Houses

Composting Toilets Explained

How they work: Composting toilets 1 are innovative systems that transform human waste into compost through a process of aerobic decomposition 2. They are designed to operate without water, using natural materials and processes to break down waste efficiently and odorlessly. These toilets are crucial for tiny houses, particularly in off-grid locations, by offering an alternative that conserves water, reduces pollution, and promotes energy savings.

A small, eco-friendly tiny house with solar panels on the roof, situated on the lush shore of a tranquil lake surrounded by dense trees. The house features a spacious deck with outdoor seating, offering a perfect blend of modern sustainability and natural serenity.
A tiny house retreat by the lake, harmonizing green living with the tranquility of nature.

Environmental Advantages of Composting Toilets

  • Water Conservation: These toilets significantly reduce water usage by eliminating the need for flushing.
  • Pollution Reduction: By preventing waste from entering sewers or septic systems, they protect natural water bodies from contamination.
  • Waste Reduction: Composting toilets converts human waste into compost, reducing landfill use and recycling nutrients.
  • Energy Savings: The absence of flushing translates to lower energy consumption in wastewater treatment and transport.

In the tiny house movement, the effective management of tiny house waste is a cornerstone of sustainable living. Composting toilets offer a practical and environmentally friendly solution to this challenge. Understanding the different types of composting toilets and their features is crucial for selecting the right one for your tiny house.

Self-contained vs. Centralized Systems

  • Self-contained Composting Toilets are all-in-one units where the composting process takes place within the toilet itself. Ideal for tiny houses, especially those on the move, they are compact, portable, and easier to install. These units are perfect for individuals or couples and require more frequent maintenance but offer greater flexibility and simplicity.
  • Centralized Systems involve a separate composting unit, typically located beneath the tiny house or in a separate external location. These systems can handle waste from multiple toilets, making them suitable for larger, tiny homes or those with more residents. While they require more space and a more complex installation, centralized systems need less frequent maintenance.

Electric vs. Non-electric Models

  • Electric Composting Toilets use electricity to power a fan or heater to aid in the evaporation of liquid and the composting process. They are efficient and effective, especially in colder climates where additional heat accelerates decomposition. However, they require access to power, which can be a consideration for off-grid tiny houses.
  • Non-electric Models rely solely on natural processes for composting. They are simpler and ideal for off-grid applications but may require more diligent maintenance and proper ventilation to ensure effective composting and odor control.

Key Features and How to Choose

When selecting a composting toilet for your tiny house, consider the following:

  • Capacity: Match the unit's capacity to your household size and expected usage to ensure it can handle the load without frequent maintenance.
  • Energy Requirements: Consider whether you have reliable access to electricity if you opt for an electric model.
  • Space: Ensure the model fits your available space, considering both the toilet and any external components for centralized systems.
  • Ventilation: Proper ventilation is key to odor control and effective composting, so consider the system's ventilation requirements.

Installation Process

Preparing for Installation: Tools and Materials Needed

  • Standard tools (screwdriver, drill, saw)
  • Ventilation materials (vent pipe, possibly a fan)
  • Composting medium (sawdust, coconut coir)
  • Manufacturer's installation kit (if provided)

Step-by-step Guide

  1. Choose the Location: Ensure it's accessible, allows for proper ventilation, and, if using a centralized system, is above or near the composting unit.
  2. Install the Vent Pipe: Crucial for odor control and moisture reduction, run the vent from the toilet to the outside.
  3. Set Up the Toilet: Follow the manufacturer's instructions to assemble and place your toilet, ensuring it's stable and properly connected to the vent system.
  4. Add Composting Medium: Before use, add a layer of the composting medium to jump-start the process.

Tips for Proper Ventilation and Maintenance

  • Ensure the vent pipe runs vertically for as long as possible before exiting to maximize airflow.
  • Regularly check and clear the vent for obstructions.
  • Consider a solar vent fan for enhanced airflow in non-electric systems.

Maintenance and Usage

Daily and Weekly Maintenance Tasks

  • Add composting medium as needed to cover waste and absorb liquids.
  • Rotate or stir the compost according to the manufacturer's recommendations to aid decomposition.
  • Monitor moisture levels, ensuring the compost is moist but not wet, and add more bulk material if it's too wet.

Dealing with Common Issues

  • Odors: Ensure proper ventilation and adjust the carbon-nitrogen balance by adding more bulking material.
  • Leaks and Blockages: Regularly inspect the system for leaks and clear any blockages in the vent pipe.
  • Compost Disposal: Once composted, the material can be buried or used on non-edible plants, ensuring it's fully decomposed before use.

Composting toilets represent a significant advancement in managing tiny house waste, offering a sustainable and efficient solution that aligns with the minimalist culture of tiny living. By carefully selecting, installing, and maintaining the right composting toilet, tiny house residents can significantly reduce their environmental impact while enjoying a simple, self-sufficient lifestyle.

A modern tiny house bathroom with large windows overlooking nature, featuring two composting toilets with sleek designs. One toilet is taller with a cylindrical base, suggesting a self-contained composting unit. The other is wall-mounted with a more traditional shape, possibly a waterless or low-water model. The room has a warm, earthy tone with wooden accents and potted green plants, creating a tranquil, eco-friendly atmosphere.
Embracing eco-friendly solutions with stylish composting toilets in a serene, nature-connected bathroom in a tiny house.

Comparing Alternatives: Navigating Tiny House Waste Solutions

The journey towards sustainable living in a tiny house involves making informed choices about every aspect of home management, particularly waste management. While composting toilets are a popular choice for their environmental benefits, it's essential to compare them with traditional options and explore other eco-friendly alternatives.

Traditional vs. Composting Toilets: Pros and Cons

  • Traditional Toilets:
    • Pros: Familiarity and ease of use, immediate removal of waste; and no need for manual compost management.
    • Cons: High water usage, dependence on sewage or septic systems, and greater environmental impact due to the treatment and disposal of waste.
  • Composting Toilets:
    • Pros: Water conservation, reduced environmental impact, production of compost for soil enrichment, and suitability for off-grid living.
    • Cons: Requires manual management of compost, potential for odors if not maintained properly; initial cost; and learning curve.

Other Eco-friendly Waste Management Options for Tiny Houses

  • Incinerating Toilets: Burn waste into a small amount of ash. They require electricity but eliminate the need for water and sewer connections. However, they consume energy and may not be suitable for all eco-conscious tiny house dwellers.
  • Dry Toilets: Similar to composting toilets but without the composting process. Waste is collected and must be disposed of or composted externally. They're simple and reduce water use, but they require handling waste more directly.
  • Greywater Systems: While not a solution for human waste, greywater systems recycle water from sinks and showers for use in gardens or toilet flushing, complementing the waste management system and further reducing water usage.

Encouragement for Readers

For those considering the leap into tiny house living, or current tiny house residents looking to enhance their sustainable living practices, composting toilets represent a viable and eco-friendly option. They embody the principles of innovation and responsible living that are central to the tiny house movement, offering a way to live in closer harmony with nature.

Resources for Further Reading


  • "The Humanure Handbook" by Joseph Jenkins 3 – A comprehensive guide to composting human waste, including practical advice and philosophical insights.
  • "Tiny House Living" by Ryan Mitchell 4 offers insights on the tiny house lifestyle, including sustainable waste management practices.

Websites and Forums:

  • The Tiny House Community online forums – A platform for tiny house enthusiasts to share experiences and advice, including discussions on composting toilets.
  • Reddit’s r/TinyHouses and r/Composting – Subreddits for tiny house waste and composting enthusiasts, offering community support and resources.

List of Manufacturers and Suppliers:

  • Nature's Head – Offers self-contained composting toilets designed for tiny houses, RVs, and boats.
  • Sun-Mar – Provides a range of composting toilets, including self-contained and central systems, suitable for tiny houses.
  • EcoJohn – Specializes in incinerating toilets, an alternative for those interested in other sustainable waste management solutions.
  • GreenLoo - Australia’s largest manufacturer of composting toilets is a Gold Coast based company offering the most affordable, effective and robust all-in-one solutions to your bio – sanitation needs.

By exploring these resources and considering the benefits and practicalities of composting toilets, you can make an informed decision that aligns with your sustainable living goals and the unique needs of your tiny house lifestyle. The choice to use a composting toilet is not just a personal one but a step towards a more sustainable and environmentally conscious way of life.

Conclusion: Leading the Way in Sustainable Tiny Living

As a trailblazer in the tiny living movement, Havenn Tiny Houses is setting a new standard for sustainability, addressing the "Tiny House Waste" issue head-on with the integration of GreenLoo composting toilets. Featured in the Clair 8.5L and Vesta 6.5 models, these composting systems are not mere features—they are vital components of Havenn's vision for an eco-friendly lifestyle that aligns with the minimalist ethos of tiny living.

Choosing a Havenn Tiny House equipped with a GreenLoo composting toilet goes beyond mere functionality; it represents a deeper commitment to sustainability. By embracing these advanced waste solutions, you contribute to preserving our planet's resources, reducing your water usage, and minimizing your home's environmental impact.

Step into the future with Havenn Tiny Houses. Select a Clair 8.5L or Vesta 6.5 model equipped with a GreenLoo composting toilet, and join us in leading the way toward a greener, more sustainable tiny living experience.



1 “Composting toilet.” Wikipedia, Accessed 18 March 2024.

2 “Decomposition.” Wikipedia, Accessed 18 March 2024.

3 Jenkins, Joseph. “Humanure Handbook 4th Ed. > Other Jenkins Books.” Slate Roof Warehouse, Accessed 18 March 2024.

4 Mitchell, Ryan. “Tiny House Living: Ideas For Building and Living Well In Less than 400 Square Feet.”, Accessed 18 March 2024.

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