Your challenge question has a counter-challenge question ...
How will you get it refilled. How will you transport it all the time. It is very heavy as compared to LPG cylinders...
If you still plan to install it in your house, then better to install a compressor worth Rs 10-15 million first ...
Islamabad residents face serious shortage of gas in winter ... so I have installed a second cooking range in the kitchen with LPG nozzles ... whenever there is a need, we switch the cooking range from NG to LPG