Incinerating toilet in motorhomes?

[globaltravels]

We are in the market to buy a new travel trailer and want to remove the black water tank and install a waterless incinerating toilet instead. I have looked at Ecojohn's Tinyjohn toilet. It burns the waste into ash, so I could use the extra space for a bigger grey water tank (plus I won't have to look for a dump station all the time). The toilet runs on propane and 12V battery, which I will have already.

Anyone installed this in an RV or trailer?
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[Googlebot]

I haven’t heard good things about any of them to be honest.

Gas hungry, emit a lot of heat and unreliable. There was a thread on here a few weeks back about them and the consensus was they aren’t great rattling around in a Motorhome.