A well-installed heat pump might get three kilowatt hours (kWh) of heat for each kWh of electricity it consumes. This ratio is called the coefficient of performance, or COP – the higher it is, the better. Heat pump-watchers tend to use this figure as a means of judging how well their device is working, sometimes in friendly competition with other heat pump owners.
Ex-Coinbase manager Ishan Wahi pleads guilty to two counts of conspiracy to commit wire fraud, after his brother Nikhil was sentenced to 10 months in January (Reuters)
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