quote: Up until now, the problem with energy harvesting devices was that they couldn't draw enough energy from surrounding elements
quote: but if the technology exists
quote: Why don't we have electric AC compressors?
quote: Is it because the efficiency gained from losing the compressor would be made back up by making the alternator have to rob more power to generate the required electricity?
quote: It is able to produce power from heat in thermoelectric mode as well as generate power from indoor and outdoor lighting in photovoltaic mode.