In Hong Kong, the three most common solar energy applications are solar panels, solar water heater and heat pump:
Apart from the solar panel, extra space and equipment are required as highlighted.
Solar Water Heater
Apart from the solar water heater, a backupwater heater is required in case there is inadequate hot water.
Heat Pump is an “Eco-Source” electric Water Heater that harvests thermal energy from the air, water, solar, or ground sources.