Capturing, and storing more and more of this energy. Once stored, coverted, distributed into seperate generators, they could be sold as small 'already full' generators. Imagine moving into your new place an bringing your own elec. This idea MAY have been far-fetched years ago. But we have the technology now. Needs funding refined
Sounds like it. I get the feeling you've asked this before.
A fireplace sitting without out a fire can still draft air up the chimney. One chimney can let sufficient air escape to change the all of the air in a house 5 times in one hour. This was reported by one of the electric companies in Colorado. I did a quick estimate and came up with a similar number.