For cooking, induction stove tops are taking over which avoids toxic gases and uses less power. Plain hydrogen is not a good choice because it makes metals brittle and very easily leaks. If something like that was really needed ammonia would be semi-practical but the writing is on the wall now and everything energy in homes of the future will be electricity/batteries, if only because the cost of solar is dropping so quickly.

Batteries are good enough now that it's all about the lowest price.