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A comment on Toyota unveils 8.7 kWh battery for residential applications. Parent comment

Re:Toyota unveils 8.7 kWh battery for residential applications by throwaway9870 on Monday June 13, 2022 @08:59AM (#31724897)
It is called a heat loss calculation. HVAC guys do them all the time (or at least they should). There are online calculators.
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