ABSTRACT

Hot water use is creeping upwards as more powerful showers are installed in homes. The average person now uses over 50 litres a day. The emissions from this can be relatively easily reduced by half by taking shorter showers, and not baths, and using slightly lower temperatures. The net impact could reduce the emissions impact of water heating to 0.2 tonnes per person per year. The household cost of water heating could be cut from about £120 per year to little more than £60.