You are right, it would be nearly useless to generate electricity, but it could be use to save some. IIRC, heating of water and the home account for roughly 20% of power consumption. Harnessing that heat could help supplement those systems, thus saving a little electricity.
You are right, it would be nearly useless to generate electricity, but it could be use to save some. IIRC, heating of water and the home account for roughly 20% of power consumption. Harnessing that heat could help supplement those systems, thus saving a little electricity.