Continuous Composting Toilets

What is Continuous Composting?

Continuous composting involves using a large container where new material is added at one end or the top, and finished compost mulch is taken out from the other end. This system is often compared to batch composting, where composting happens in discrete, separate batches. The key advantage of continuous composting lies in its ongoing process, which requires less frequent intervention and offers consistent composting outcomes.

CF continuous composting toilet service principle

 

Benefits of Continuous Composting

The greatest asset of continuous composting is its long service intervals. Unlike batch composting, which demands regular switch between composting containers, continuous composting systems can operate for extended periods without requiring maintenance. This makes it an ideal solution for those who prefer low-maintenance, efficient waste management.

Additionally, continuous composting typically results in a high-quality compost product. The constant addition of new material and the steady extraction of finished compost ensure that the composting process remains active and efficient.

Our Continuous Composting Toilet Models:

CF 4 and CF 8

At Waterless Toilet Shop, we offer two exceptional models in category of continuous composting toilets: the CF 4 and CF 8. The term “CF” stands for “cultus fulcrum” which in Latin means “composting in single container” = the essence of all continuous composting toilets.

The smaller CF 4 composting toilet has capacity for up to 2-4 people using it full-time year-around (depending on the climate). In part-time seasonal use, the CF 4 has capacity up to 8 people using the toilet. The system supports on average 16 visits daily.

The larger CF 8 has capacity up to 6 people using the toilet full-time, or 12 people part-time. The system supports on average 24 visits daily. Please note that the numbers are estimated averages that are heavily affected by different factors including climate, what kind of dry organic bulking agent is used and how much etc.

These models are designed to provide large use capacity for tiny houses and cabins with limited space below bathroom floor level.

How CF systems are used

CF continuous composting toilets are used just like any regular toilet. The toilets come with a porcelain-made dry toilet pedestal that is fixed in to the bathroom. The toilet looks and feels like any other normal toilet you are used to. The only difference is that the toilet isn’t flushed. Male users can also urine standing if preferred, unlike with the other commercial urine-diverting toilets with which all users must sit.

waterless toilet pedestal inside bathroom tiny house
The CF composting toilets include a porcelain toilet pedestal that not only look fabulous but is also easy for anyone to use without any instructions.

How CF Systems are installed?

The CF composting toilets are split-system composting toilets, meaning that the composting unit is intended to be installed under the bathroom/outhouse floor level. The composting unit has to be directly below the toilet so that all waste falls into the composting unit through the waste pipe.

The CF 4 is our split-system composting toilet with the lowest profile when partially buried (= needs least space below floor level). If you do not have any clear space below your bathroom, you should have a look at our self-contained waterless toilet options.

The CF toilet’s sub-floor composting unit is delivered without a ready-made hole for the waste pipe. This allows a little flexibility for the installation, so that the dry toilet pedestal does not have to right in the center of the system.

CF 4 flexible installation
The CF composting toilets are delivered without a ready-made hole for the waste pipe. Hence there is some flexibility to position the toilet pedestal above the system.

 

How CF Systems are serviced

CF continuous composting toilet service waterless toilet shop

continuous composting toilet CF 4 container hatch open

The service of CF composting toilets involves shoveling of ready compost from one end of the sub-floor composting unit. The CF composting containers have a hatch on the other end of container that is opened to empty the container. A wheelbarrow is useful when emptying the toilet.

Unlike like you might assume, the toilet waste on the closest end of the emptying hatch does not smell at all and should no longer be recognizable as toilet waste. We recommend using dry material such as hemp or peat to improve the compost quality when using the toilet.

 

CF Composting toilets in a nutshell

Familiar Pleasing Design

CF composting toilets comes with a sleek dry toilet pedestal that not only looks but is also used like any normal flush toilet, except that is is not flushed.

Simple Split-System Installation

Both the CF 4 and CF 8 are designed for easy installation by any handyman. The toilet consists of a porcelain-made dry toilet pedestal fixed in bathroom and a sub-floor single composting unit.

Sturdy & Simple Design

Our CF4 and CF8 models boast a sturdy and simple design that is virtually break-down proof. This ensures reliable operation and minimal maintenance, so you can focus on enjoying your eco-friendly lifestyle without worrying about the functionality of your composting toilet.

Single Composting Container

One of the standout features of our continuous composting toilet models is the single composting bin. Unlike systems that require the exchange of containers, our models offer a seamless process, reducing the effort needed to maintain the system.

Low Profile

The CF4 requires only 13 inches of underfloor clearance when installed partially buried. This low-profile design makes them an excellent choice for tiny houses and cottages, where space is often at a premium.

Frequently Asked Questions

No. The toilet does not smell.

The toilet is odorless because it separates excess liquids within the composting container. In addition, the system has ventilation that is equipped with a fan to boost air flow from the sub-floor composting unit out into the air.

Yes. You can and should throw toilet paper into the composting toilet. The paper will compost along with the other solid waste inside the system.

Technically the system does not require electricity to function. Composting is a natural process that only requires time and temperatures above 32 degrees (F).

With that said, we recommend boosting the ventilation with an electric duct fan in indoor installations if power is available.

If there is no electricity, we recommend boosting the ventilation with either a Solar panel fan and/or Whirlybird.

Yes, the toilet works even in cold climate. The only issue might come is if the composting unit under the floor level freezes completely and it fills up. In that case, it might become difficult to empty the composting unit.

One potential solution for this is to service the composting unit right before the cold season starts, so that the next service is again done after the cold season is over.

Alternatively, you might consider some of our batch composting toilets that do not have similar issue with having to empty frozen solids.

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