Updated on January 2, 2024

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Created on August 27, 2015

The TFP Composting Toilet

Upcoming Update

The TFP Composting toilet is self-contained, dry composting toilet.

Tested By
  • Toilets for People
Content Partners
Unknown

Author

Product Description

The TFP Composting Toilet is a urine-diverting, self-contained, waterless composting toilet. The core technology is a rotating, horizontally-mounted drum that accelerates the aerobic composting process.

For non-profit partners, TFP is able to teach them how to make a composting toilet for under $100.

As a for-profit entity, TFP sells toilets for $895 (which includes shipping anywhere in the USA).Interview with representative

Target SDGs

SDG 6: Clean Water and Sanitation

Market Suggested Retail Price

$895.00

Target Users (Target Impact Group)

Household, Community

Distributors / Implementing Organizations

Toilets for People is a hybrid organization (non-profit and for-profit). As a non-profit TFP partners with NGOs to train them how to make composting toilets on location using locally available materials and labor. Interview with representative
Implementing organizations include NGOs such as: 1. El Porvenir in La Palma, Nicaragua 2. American Friends of La Korsa (AFLK) in Tambacounda, Senegal 3. Fundacion Haciendas del Mundo Maya (FHMM) in Campeche, Mexico 4. Rise Haiti and Foi et Joie in Port-au-Prince, Haiti
5. Amazon Promise in Belen, Peru
6. Gospel Haiti in Oriani, Haiti
As a for-profit organization, TFP sells toilets to individuals in the US that need an off-grid toilet solution. Examples include cabins, tiny houses and RVs.

Competitive Landscape

Direct competitors include Sun-Mar Excel NE Composting Toilet.

Manufacturing/Building Method

On location in the developing world, toilets are made by hand using wood.
Units that are manufactured in the USA are made of high density polyethylene using a CNC router. Units are then hand assembled.Interview with representative

Intellectural Property Type

Patent

User Provision Model

Toilets for People manufactures and sells volume retail orders to implementing NGOs, who then subsidize sale of the toilets to end users as part of a WASH program.
Typically, Toilets for People sells to NGOs with the understanding that NGOs will sell the units to end users at a price point of between one and two weeks of average income in the context.
As a for-profit company, TFP sells individual composting toilets to customers in the USA.Interview with representative

Distributions to Date Status

60 Interview with representative

Toilet type

Toilet

Evacuation method

Dry

Storage conditions

Container storage

Capacity (L)

47 L

Time until emptying

2 months

Design Specifications

The TFP composting toilet design relies on a horizontally mounted rotating drum, much like a garden composter, that sits inside a box. Following use, individuals cover waste with saw dust or dry leaves, spin it once a week. Natural aerobic decomposition eliminates dangerous pathogens and foul odors. It also reduces the volume of the waste by 80% so the user only needs to empty the drum out once every 2 months. After emptying, TfP suggest users dig a hole a foot deep, bury the compost with wood ash as a disinfectant and cover it with dirt. The compost can also be used as fertilizer for planting trees for cash crops or reforestation. The TFP Composting design specifications are: – Weight, 70 pounds – Dimensions in inches, 18W x 29L x 23H – 7.5 gallon drum and 5 gallon bin capacity. Interview with representative

Product Schematics

Technical Support

Toilets for People provides training and technical support to their NGO customers. Those implementing NGOs then provide technical support to end users. Toilets for People interacts directly with end users on occasional field visits. Interview with representative

Replacement Components

Replacement components can be made with local materials.

Lifecycle

The TFP Composting Toilet requires two months active composting of waste in its drum, after which composted waste is removed by user to a hole nearby where it is covered in wood ash and dirt. A tree can be planted in the compost hole. The toilet has a 10-year life expectancy.Interview with representative

Manufacturer Specified Performance Parameters

The toilet's usage time for one household before emptying compost barrel is ~2 months.Interview with representative

Vetted Performance Status

Unknown

Safety

It is recommended that gloves be worn while handling waste material.Interview with representative

Complementary Technical Systems

None

Academic Research and References

None

Compliance with regulations

None

Evaluation methods

Field trials.Interview with representative

Other Information

Check out this video featuring the TFP CompostingToilet.

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