Using surplus solar power to pre-cool, pre-heat homes

Scientists in Australia have shown how pre-cooling and pre-heating could be implemented in Australian buildings with the support of excess solar power. Their analysis has demonstrated that summer has the highest potential for air conditioning demand reduction. Researchers from the University of New South Wales (UNSW) in Australia have investigated how excess solar power from rooftop PV installations can be used for solar pre-cooling and pre-heating (SPCaH) in residential buildings. "SPCaH helps reduce the later demand for air conditioning or heating, making our energy use more efficient," the ...

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