Composting VS Flush - Which Toilet Should You Choose For Your Tiny House On Wheels??

by Sloane Antonacci (Image Credit: MitchCraft Tiny Homes)

There are a lot of things to consider when downsizing and moving into a Tiny House. In this blog, we are going to discuss the pros and cons of a subject that people don't always want to talk about but is very necessary to consider when building your tiny house - To have a flush or a Composting Toilet.

Regular Flush Toilet

When living in our large homes, we don't even consider about the's just there and ready to use. We don't think about where it all goes once it flushes and we don't think about how much water is being used to perform that magical disappearing act. 

I think the main reason why you would want to have a regular flush toilet in your tiny house is the law a familiarity. We all know how to use a flush toilet and up until living in a tiny didn't worry about where everything went once you pressed the flush button. 

But there is a lot you need to consider when installing a flush toilet into your tiny house......especially if it's a tiny house on wheels. 

1. You need a constant water source! A flush toilet needs water in order to work. So this means in order to use your toilet, you either have to have an onboard water tank (which is heavy and takes up a lot of space) OR you are reliant on always being hooked up to mains water. Also, a flush toilet uses a lot of water which will diminish your water supply quickly if you are in an off grid situation with water tanks, etc...

2. Where does all the waste go when it's flushed? When installing a flush toilet, you also need to have a black water system on board which you will have to empty at a waste station regularly or be hooked up to a septic system or mains sewerage in order to use your toilet as well.

Having a flush toilet may be convenient and familiar but if you are wanting to move and be more free with your tiny house, what other toilet options are there out there? 

Composting Toilets

There are many types of composting toilets out there that people around the world have in their tiny homes (Diverting, Bucket system, etc...) but for the purpose of this comparison, we are going to look more at the Natures Head Liquid Diverting Composting Toilet (as this is the toilet we install in all our tiny homes on wheels).

Why do we install the Nature's Head Toilet in all our tiny houses on wheels? 

1. It doesn't require water! You don't need water to flush the solid waste into the composting compartment. This not only means that you don't need an onboard water source to use the toilet but also means that there is no need for under floor plumbing. 

2. It separates the wee from the poop. The wee is diverted into the front compartment/bottle and the poop drops down into the main compartment when the flap is opened. 

3. Low Maintenance! The main compartment only needs to be emptied every 90 uses (roughly 3 months if 2 people are using it full time). So it saves time on emptying and cleaning your toilet. With other methods (such as the bucket method), you need to empty and clean the toilet every other day

4. No Stinky Smells! On the contrary, the Nature's Head Toilet doesn't stink or produce odours. How does this happen? The separation of the urine from the solids is the key to no odour. It's the wee that stinks over time.....who knew!
When emptying the main compartment and if it has been working and composting properly, the composted contents will have a slight earthy, dirt smell.

5 Environmentally Friendly. It uses very little resources to work and no costly chemicals are used in processing the waste. Also the contents can be further composted down with your green waste and used to fertilise garden beds. 

So whatever your preference, I hope this small article helps you to make an informed and educated decision about the type of toilet you opt to have in your tiny home.