Hi Neeraj, I actualy used a water-saving toilet system in my first house about 15 years ago. The system use pressured air, plus some water for flushing (1/3 of normal toilets). It was small, plastic, easy to attach to the wall, and was also cheap, a simple hungarian manufacturer produced it, I just bough it from the local store. It never become popular / known though, I wonder if anyone heard about it out of the country. It required a really simple maintenance in about every three month, just opening and closing a simple valve. However if you forget to do this, you have been frustrated by feeling that your WC suddenly does not work, I remember happening this with me. After I moved away, the new owner changed the flush to a traditional one. Based on my experience I am unfortunately sceptical about any system modification which require awerness and maintenance. Most people just don't care, especially in developed countries. Systems like yours and this, and several other small-scale water-saving methods needs active support in arid regions both by governments and NGO-s to have some temporary effect, but I unfortunately doubt that they can be global game changers.

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Hi Neeraj, I actualy used a water-saving toilet system in my first house about 15 years ago. The system use pressured air, plus some water for flushing (1/3 of normal toilets). It was small, plastic, easy to attach to the wall, and was also cheap, a simple hungarian manufacturer produced it, I just bough it from the local store. It never become popular / known though, I wonder if anyone heard about it out of the country. It required a really simple maintenance in about every three month, just opening and closing a simple valve. However if you forget to do this, you have been frustrated by feeling that your WC suddenly does not work, I remember happening this with me. After I moved away, the new owner changed the flush to a traditional one. Based on my experience I am unfortunately sceptical about any system modification which require awerness and maintenance. Most people just don't care, especially in developed countries. Systems like yours and this, and several other small-scale water-saving methods needs active support in arid regions both by governments and NGO-s to have some temporary effect, but I unfortunately doubt that they can be global game changers.