Use heat to charge batteries

An obvious one. Should be easy. Ready source of energy.

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  • For Smart Radiator Thermometers obviate the need to replace batteries by using the heat from the radiators to recharge the batteries. Use standard rechargeable batteries so that there are no issues in those parts of the world where the radiators are used infrequently.

  • Sounds like a great idea but could that technology be packaged into the existing space in a tado TRV?
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