Russell McMahon wrote:

> I've long thought that a home "gasometer" system should be viable - 
> miniature version of those used here for coal gas in days of yore. .
> Electrolyse water to Hydrogen and store enough for a few days heating 
> demand. Oxygen a bonus. 

Not really a "bonus", isn't it? Pretty much the same amount it generates it
also consumes when burning the hydrogen. 

Gerhard

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